Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

92 results about "Vacuum energy" patented technology

Vacuum energy is an underlying background energy that exists in space throughout the entire Universe. This behavior is codified in Heisenberg's energy–time uncertainty principle. Still, the exact effect of such fleeting bits of energy is difficult to quantify. The vacuum energy is a special case of zero-point energy that relates to the quantum vacuum.

Quantum vacuum energy extraction

A system is disclosed for converting energy from the electromagnetic quantum vacuum available at any point in the universe to usable energy in the form of heat, electricity, mechanical energy or other forms of power. By suppressing electromagnetic quantum vacuum energy at appropriate frequencies a change may be effected in the electron energy levels which will result in the emission or release of energy. Mode suppression of electromagnetic quantum vacuum radiation is known to take place in Casimir cavities. A Casimir cavity refers to any region in which electromagnetic modes are suppressed or restricted. When atoms enter into suitable micro Casimir cavities a decrease in the orbital energies of electrons in atoms will thus occur. Such energy will be captured in the claimed devices. Upon emergence form such micro Casimir cavities the atoms will be re-energized by the ambient electromagnetic quantum vacuum. In this way energy is extracted locally and replenished globally from and by the electromagnetic quantum vacuum. This process may be repeated an unlimited number of times. This process is also consistent with the conservation of energy in that all usable energy does come at the expense of the energy content of the electromagnetic quantum vacuum. Similar effects may be produced by acting upon molecular bonds. Devices are described in which gas is recycled through a multiplicity of Casimir cavities. The disclosed devices are scalable in size and energy output for applications ranging from replacements for small batteries to power plant sized generators of electricity.
Owner:UNIV OF COLORADO THE REGENTS OF

Vacuum booster security control system and control method of strong hybrid electric vehicle

The invention provides a vacuum booster security control system and a control method of strong hybrid electric vehicle. The system comprises a hybrid vehicle control unit (HCU), an electric vacuum pump, a vacuum energy storage cavity, a pressure sensor, a relay and a wiring harness; the voltage value is judged through inputting the voltage signal of the pressure sensor to a main controller, thereby judging whether the vacuum degree reaches up to standard, if the vacuum degree is not within a calibration range, the main controllers sends out a digital low-level signal to close the relay, and the electric vacuum pump is connected with the power supply of the vacuum pump; after the vacuum pump works for a period of time, if the voltage signal detected by the sensor is within the calibration range, the vacuum degree of the vacuum energy storage cavity is indicated to meet requirements, and at the moment, the main controller controls the relay to be disconnected to stop the vacuum pump from working. The invention can effectively utilize vacuum assistance to complete braking demands, when fault occurs, the vacuum assistance braking fails, and the control system can detect voluntarily to alarm faults accurately and timely, thus significantly improving braking safety.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD

Vacuum boosting device of electric vehicle

The invention discloses a vacuum boosting device of an electric vehicle. The vacuum assisting device comprises a braking pedal, a vacuum booster, a brake main cylinder, an electric vacuum pump, a vacuum energy accumulator and an electronic control device; the brake main cylinder is connected with the brake pedal through the vacuum booster and the vacuum booster is also connected with the vacuum energy accumulator and the electric vacuum pump; the electric vacuum pump is electrically connected with the electronic control device and the electronic control device is also connected with a vacuum pressure sensor and an atmosphere pressure sensor; the vacuum pressure sensor is installed on the vacuum energy accumulator and the atmosphere pressure sensor is connected with the outside air. The vacuum degree in the vacuum energy accumulator is measured by using the vacuum pressure sensor and the outside atmosphere pressure is measured by using the atmosphere pressure sensor; after the vacuum degree and the outside atmosphere pressure are measured, sensor signals are sent to the electronic control device and actions of the electric vacuum pump are adjusted and controlled through comparing the sensor signals by the electronic control device, so that the boosting device can be used in areas with low altitudes and also can be normally used in areas with high altitudes.
Owner:WENZHOU UNIVERSITY

Quantum vacuum energy extraction

A system is disclosed for converting energy from the electromagnetic quantum vacuum available at any point in the universe to usable energy in the form of heat, electricity, mechanical energy or other forms of power. By suppressing electromagnetic quantum vacuum energy at appropriate frequencies a change may be effected in the electron energy levels which will result in the emission or release of energy. Mode suppression of electromagnetic quantum vacuum radiation is known to take place in Casimir cavities. A Casimir cavity refers to any region in which electromagnetic modes are suppressed or restricted. When atoms enter into suitable micro Casimir cavities a decrease in the orbital energies of electrons in atoms will thus occur. Such energy will be captured in the claimed devices. Upon emergence form such micro Casimir cavities the atoms will be re-energized by the ambient electromagnetic quantum vacuum. In this way energy is extracted locally and replenished globally from and by the electromagnetic quantum vacuum. This process may be repeated an unlimited number of times. This process is also consistent with the conservation of energy in that all usable energy does come at the expense of the energy content of the electromagnetic quantum vacuum. Similar effects may be produced by acting upon molecular bonds. Devices are described in which gas is recycled through a multiplicity of Casimir cavities. The disclosed devices are scalable in size and energy output for applications ranging from replacements for small batteries to power plant sized generators of electricity.
Owner:UNIV OF COLORADO THE REGENTS OF

Pipe tail low heat loss medium transfer sun vacuum energy changing hot pipe

The invention discloses a tail pipe low heat loss agent conductance solar vacuum energy changing hot pipe, which is characterized by the following: comprising small diameter inner glass pipe and high diameter outer glass pipe; closing one end of pipe heat with glass weld; setting the outer surface as conversion energy film board; arranging discharge pipe sealing spout on the welded head of the big diameter outer glass pipe; locating mutually of sealing head same end; welding and closing the other end with glass cup shape; arranging glass located pipe sprout at the pipe head of the glass cup shaped welding position; arranging screw thread or fastening tank on the glass locating pipe sprout; arranging hot pipe in heat changing inner glass pipe; filling heat conducting medium between the heat changing inner glass pipe and the hot pipe; closing the hot pipe through closed end lid; connecting to the glass locating pipe sprout of the solar vacuum heat changing hot pipe; arranging heat-proofdevice at the rear end of the solar vacuum energy changing hot pipe; decreasing the loss of heat; arranging the heat-proof device in the small pipe diameter inner glass rear pipe; or arranging out ofthe small pipe diameter inner glass rear pipe. This invention can be used to solar energy application domain.
Owner:ZIBO ENVIRONMENTAL PROTECTION TECH CO LTD +1

Vacuum energy-storage water-power co-production system and method therefor

The invention discloses a vacuum energy-storage water-power co-production system and a method therefor. The vacuum energy-storage water-power co-production system comprises a wind turbine device, a vacuum air-exhaust unit, a vacuum chamber, a seawater desalination unit and an air expansion acting unit. The wind turbine device drives the vacuum air-exhaust unit. The vacuum chamber is subjected to vacuum-pumping by the vacuum air-exhaust unit. The air expansion acting unit drives an electric generator to output power. The seawater desalination unit outputs fresh water. The vacuum air-exhaust unit aids the seawater desalination unit to stepwisely heat seawater. The air expansion acting unit aids the seawater desalination unit to stepwisely cool water vapor produced by an evaporator. Through direct utilization of wind energy, mechanical energy obtained by the wind turbine device is transformed into air vacuum energy by vacuum pump-based vacuum-pumping, and the air vacuum energy is transformed into air internal energy, wherein the transformation process comprises that the mechanical energy is transformed into the air internal energy. Compared with wind power generation-based electric power-driven compressed air energy storage, the vacuum energy-storage water-power co-production system has the characteristics of high energy conversion efficiency, simple structure, low investment and simple maintenance.
Owner:中科国风科技有限公司

Ultrasonic vacuum energy-saving cleaning machine

InactiveCN102357489AFull play of scavengingClean up thoroughlyCleaning using liquidsEngineeringSolvent
The invention discloses an ultrasonic vacuum energy-saving cleaning machine which is used for heat treatment continuous production and belongs to the field of heat treatment cleaning equipment, and particularly discloses a novel ultrasonic vacuum energy-saving cleaning machine which combines an ultrasonic technology and a vacuum solvent cleaning technology. The novel ultrasonic vacuum energy-saving cleaning machine is characterized in that: a plurality of grooves are formed below the liquid level of a vacuum chamber; ultrasonic vibration plates are arranged in the grooves and are connected with ultrasonic generators to ensure that high-frequency signals which are generated by the ultrasonic generators are transmitted to the ultrasonic vibration plates; and the ultrasonic vibration plates convert the high-frequency signals into continuous ultrasonic waves which continuously impact the surface of an object to ensure that dirt which is difficult to dissolve on the surface of the object, and in blind holes and gaps can be peeled off quickly. In the machine, the double combined cleaning functions of ultrasonic waves and vacuum solvent cleaning can be fully exerted, so soluble dirt and insoluble dirt can be cleaned completely; meanwhile, working efficiency is improved, cleaning time is shortened by one third, water consumption is reduced by 30 percent, power consumption is saved by 25 percent, and aims of saving energy and reducing consumption, improving heat treatment quality and reducing production cost are fulfilled.
Owner:TLON TECHN FURNACES WUXI

Vacuum suction cup mechanical carrying device plate carrying device

The invention discloses a vacuum suction cup manipulator plate carrying device. The vacuum suction cup manipulator plate carrying device comprises a feeding platform, a mechanical carrying device, a working platform and a laser cutting machine. The mechanical carrying device comprises a mechanical frame body, vacuum suction cup manipulators, x-axis servo motors, x-axis speed reducers, z-axis servo motors, z-axis speed reducers, vacuum electromagnetic valves, a vacuum pump and vacuum pressure digital displays. One end of the mechanical frame body is located over the feeding platform, and the other end of the mechanical frame body is located over the working platform. The x-axis servo motors are connected with the x-axis speed reducers. The z-axis servo motors are connected with the z-axis speed reducers. A vacuum energy accumulator produces vacuum through the vacuum pump and stores vacuum energy. The vacuum electromagnetic valves are connected with the vacuum energy accumulator and control turn-on/off conducted by the vacuum energy accumulator over the vacuum suction cup manipulators. The vacuum pressure digital displays detect the vacuum degree of the surfaces of the vacuum suction cup manipulators. According to the vacuum suction cup manipulator plate carrying device, a plate is grabbed from the feeding platform onto the working platform through the manipulators, the labor cost is reduced, plate positioning is precise, and the working efficiency is improved.
Owner:上海酷铃自动化设备有限公司

Vortex cold vacuum aircraft engine

The invention relates to a new generation of comprehensive and high-efficiency aircraft engine, which comprises the principles of novel three-dimensional vortex force operation, heat engine vortex cold vacuum excitation vacuum energy, thermal expansion direct conversion three-dimensional vortex force acting and the like and a novel aircraft engine structure device thereof. The invention is characterized in that (1) the three-dimensional vortex force working principle is as follow: continuous, long-time and long-distance acceleration between flow gas and multi-disc helicoradian channel in a barrel is performed so as to form strong turning moment and axial propelling effort (pressure or drawing force); (2) the heat engine uses the vortex cold vacuum to reduce a starting endpoint to be negative-pressure, vacuum and low-temperature excitation vacuum energy so as to generate powerful high-temperature, high-pressure and high-speed air flow, thereby obviously improving the working heating efficiency of the heat engine; (3) the thermal expansion is directly converted into the vortex force for acting, thereby effectively improving the working efficiency of the heat engine; and (4) a novel aircraft engine structure member design manufacturing device can improve the working efficiency of the aircraft engine. The engine of the invention has the advantages of higher efficiency, energy saving, powerful motive power, low noise, low infrared characteristics, high thermal efficiency, high thermal power conversion rate, high operating safety factors, reasonable material stress, convenient production, manufacturing and maintenance, long working life and strong flexibility of operation, can meet the requirements of variously different aircraft performances, and symbolizes a development direction of a new generation of aircraft engines.
Owner:汪一平

Low-voltage vacuum energy-saving normally-open direct-current contactor

The invention provides a low-voltage vacuum energy-saving normally-open direct-current contactor which comprises main contact binding posts (15), main fixed contacts (13), main movable contacts (12), a movable iron core (1), a fixed iron core (8), a contactor body (16) and springs, and further comprises outer-layer maintaining attraction coils (6), inner-layer starting coils (5), coil movable contacts (4) and coil fixed contacts (3). The main movable contacts (12) are arranged below the main fixed contacts (13). The springs maintain the disconnected states of the main fixed contacts (13) and the main movable contacts (12). The coil movable contacts (4) and the coil fixed contacts (3) are arranged at the lower end of the inner-layer starting coils (5). When the low-voltage vacuum energy-saving normally-open direct-current contactor is started, a current directly enables the movable iron core (1) and the fixed iron core (8) to be attracted through the inner-layer starting coils (5), the coil movable contacts (4) and the coil fixed contacts (3) are disconnected through screws (2), and an upper cavity and a lower cavity are both vacuum space. According to the low-voltage vacuum energy-saving normally-open direct-current contactor, the current is reduced, electric energy consumption is saved, the temperature rising of the contactor is reduced, oxidation and burning loss caused by electric arcs to the contacts are reduced, and the service life of the contacts is prolonged.
Owner:ZHENJIANG TIANXIANG PRECISION ELECTRIC MACHINERY

All-weather vacuum energy pump thermoelectric power generation heating and cooling water taking system device from air

An all-weather vacuum energy pump thermoelectric power generation heating and cooling water taking system device from air comprises a solar collector, a double-pump radiator, a vacuum energy thermoelectric power generation pump, a breeze generator, a semiconductor refrigeration pump, a cold source toothed wet air condenser, a funnel-type water trap, a charging and discharging controller, a VV storage battery and the like. A new idea is provided to solve the worldwide problem that fresh water is deficient and on the verge of depletion. As energy of the device includes all-weather solar energy and wind energy, the solar energy is used when the sun is available, the wind energy is used when the sun is unavailable, raw materials of the device are moisture air, the device is widely applied, can meet requirements of daily life and is particularly suitable for places with poor water quality, water shortage or water transport inconvenience such as mountain sentry posts of disaster areas or troops, border defense, islands, wetlands, other arid and semi-arid areas and the like, particularly, Gobi deserts can be changed into oases, water supply can be realized in severe environments, people can drink safe and clean drinking water anytime and anyplace, and water used in agricultural and pastoral areas can be supplied.
Owner:陈绍勇 +1

Titanium sponge, zirconium sponge energy-saving reaction furnace

The invention discloses a titanium sponge, zirconium sponge energy-saving reaction furnace which comprises a furnace body, wherein a forced ventilation system is arranged at the upper end of the furnace body; a thermal insulation vacuum energy-saving system is arranged below the forced ventilation system; the forced ventilation system comprises a frequency conversion draught fan, a blast pipe and annular wind collecting belts; the annular wind collecting belts are arranged at the upper side and the lower side in a parallel mode at least and are respectively arranged inside the side wall of the furnace body; the outer side of each annular wind collecting belt is connected with the frequency conversion draught fan through the blast pipe, and an exhaust annular wind collecting belt for exhaust function is also arranged, the outer side of the exhaust annular wind collecting belt is connected with a wind collecting pipeline, and exhaust outlets are formed in the inner side of the exhaust annular wind collecting belt. The titanium sponge, zirconium sponge energy-saving reaction furnace is that the forced ventilation system is provided with the annular wind collecting belt and the exhaust annular wind collecting belt, so that inlet air and the outlet air are smooth under the power of the frequency conversion draught fan.
Owner:JIANGSU XINHUI TI ZR EQUIP CO LTD

Vacuum-energy-storage-type launching catapult for fixed-wing aircraft

The invention relates to a vacuum-energy-storage-type launching catapult for a fixed-wing aircraft. The vacuum-energy-storage-type launching catapult is formed through sequentially connecting an electric winch, a trailer wagon, a speed transformation, a cable winding pulley, a large-diameter piston, a large-caliber vacuum cylinder, an oil pump, an oil storage tank and the like. The electric winch draws the piston to slowly rise to an upper dead point from a lower dead point under the deceleration of the speed transformation, so as to enable the interior of the vacuum cylinder to reach a completely-vacuum state and complete energy storage; the piston enables the trailer wagon to drive the aircraft to rapidly advance and launch through the acceleration of the speed transformation under the propulsion of atmospheric pressure and self-gravity, so as to complete catapult. Data related to specific embodiments of the invention are as follows: the catapult traction distance is 99 meters, the constant net traction force is 31.4 tons, the energy storage power is 600kw, the energy storage time is 60 seconds, the minimum requirements of a power supply on power is 800kw, the power consumption for catapult of one aircraft is lower than 20 kilowatt-hours, the gross weight of the catapult is lighter than 60 tons, and a system main body, i.e., the large-caliber vacuum cylinder has the height of 126 meters and the volume of 465 cubic meters. The vacuum-energy-storage-type launching catapult has the most principal features of uniformity in acceleration, little heat generation, low energy consumption, electrification, light weight and few systems.
Owner:王振川

Vacuum energy storage fixed-wing aircraft take-off catapult

The invention relates to a vacuum-energy-storage-type launching catapult for a fixed-wing aircraft. The vacuum-energy-storage-type launching catapult is formed through sequentially connecting an electric winch, a trailer wagon, a speed transformation, a cable winding pulley, a large-diameter piston, a large-caliber vacuum cylinder, an oil pump, an oil storage tank and the like. The electric winch draws the piston to slowly rise to an upper dead point from a lower dead point under the deceleration of the speed transformation, so as to enable the interior of the vacuum cylinder to reach a completely-vacuum state and complete energy storage; the piston enables the trailer wagon to drive the aircraft to rapidly advance and launch through the acceleration of the speed transformation under the propulsion of atmospheric pressure and self-gravity, so as to complete catapult. Data related to specific embodiments of the invention are as follows: the catapult traction distance is 99 meters, the constant net traction force is 31.4 tons, the energy storage power is 600kw, the energy storage time is 60 seconds, the minimum requirements of a power supply on power is 800kw, the power consumption for catapult of one aircraft is lower than 20 kilowatt-hours, the gross weight of the catapult is lighter than 60 tons, and a system main body, i.e., the large-caliber vacuum cylinder has the height of 126 meters and the volume of 465 cubic meters. The vacuum-energy-storage-type launching catapult has the most principal features of uniformity in acceleration, little heat generation, low energy consumption, electrification, light weight and few systems.
Owner:王振川

Vacuum energy-saving thermal insulation pressure cooker

The invention provides a vacuum energy-saving thermal insulation pressure cooker which comprises a pot body, a pot bottom and a pot cover. The pot body is of a two-layer vacuum structure, and comprises a pot body inner layer and a pot body outer layer. The pot body inner layer comprises a side wall and a bottom wall. The pot body inner layer is embedded in the pot body outer layer. The pot body outer layer is closely connected to the side wall of the pot body inner layer through laser welding. A first vacuum cavity is formed between the pot body inner layer and the pot body outer layer. The pot bottom comprises an aluminum layer and a stainless iron layer. The bottom wall of the pot body inner layer, the aluminum layer and the stainless iron layer are welded under pressure and closely connected together. The pot cover is of a two-layer vacuum structure, and comprises a pot cover inner layer and a pot cover outer layer. The pot cover inner layer is embedded in the pot cover outer layerthrough laser welding. A second vacuum cavity is formed between the pot cover inner layer and the pot cover outer layer. By means of the vacuum two-layer pot body and the vacuum two-layer pot cover, thermal insulation performance is improved; the pot bottom is a multi-layer compound bottom, is firm, durable and rapid in heat conduction and can be uniformly heated, and therefore energy conservation, time conservation, high efficiency and scald prevention are realized.
Owner:应展

Electric vacuum pump control system for electric vehicle

The invention discloses an electric vacuum pump control system for an electric vehicle. The electric vacuum pump control system includes a storage battery, a relay and an electric vacuum pump, an ignition switch is connected between the storage battery and the relay in series, the electric vacuum pump is connected with a temperature sensor and a humidity sensor, and an ECU is connected with an alarming device; and the electric vacuum pump is connected with a vacuum energy storage barrel, the vacuum energy storage barrel is connected with a vacuum degree sensor, the vacuum degree sensor is connected with the ECU, and the ECU is electrically connected with the relay. According to the electric vacuum pump control system, the defect in the prior art is overcome, when the temperature or humidity reaches a certain value, the relay is controlled by the ECU to stop the electric vacuum pump, and a temperature alarming device or a humidity alarming device is controlled to start an alarm; and thevacuum degree and transmitted signals of the vehicle speed and pedal speed are combined through the ECU, thus calculation is conducted, when the vacuum degree is high, the ECU controls the relay to stop the electric vacuum pump, thus the electric vacuum pump is not damaged due to operation for a long time, and the effect of energy conservation is also achieved.
Owner:SHANGHAI TUOSHEN MOTORCAR ELECTRONICS

Vacuum sea wave seawater desalinization and power generation platform system engineering

The invention discloses an offshore platform type vacuum energy source system engineering for achieving the functions of producing electric energy safely at low cost in scale, desalinizing water and concentrating sea water by taking sea wave energy, atmospheric pressure energy and sea water cooling energy as energy sources. The offshore platform type vacuum energy source system engineering consists of a plurality of sea wave vacuum pump set platforms, vacuum atmospheric turbine power generation platforms and vacuum steam turbine power generation and sea water desalinization platforms; and the platforms are arranged on the sea surface in a matrix manner and mutually communicated through a plurality of metal hoses and respectively form a vacuum sea wave atmospheric turbine power generation platform system and a vacuum sea wave steam turbine power generation and sea water desalinization platform system. The offshore platform type vacuum energy source system engineering is mainly used for establishing the vacuum energy source ocean industry on the sea surface with sea wave motion so as to produce the electric energy in scale at low cost, desalinate and concentrate sea water, provide a solution to the crisis of energy source and water and advance the sea water chemical industry, thereby changing the production mode of the electric energy, lowering the pollution from CO2 gas and preventing the global warming.
Owner:张庆玉

Vacuum energy-saving pollution discharge treater

The invention discloses a vacuum energy-saving pollution discharge treater. The treater comprises at least one group of vacuum exhaust funnel body and exhaust chamber, a condenser and a pollution discharge barrel, wherein the vacuum exhaust funnel bodies and the exhaust chambers are connected and communicated in sequence; the condenser is connected and communicated with the exhaust chambers by a gas pipeline; the discharge barrel is connected and communicated with the condenser by a water pipeline; inlets of the vacuum exhaust funnel bodies are connected with exhaust pipes of a twin-screw extruder; outlets of the vacuum exhaust funnel bodies are connected with inlets of the exhaust chambers; the two ends of the gas pipeline are respectively connected with outlets of the exhaust chambers and an inlet of the condenser; the two ends of the water pipeline are respectively connected with an outlet of the condenser and an inlet of the pollution discharge barrel. The vacuum energy-saving pollution discharge treater provided by the invention has a compact structure and strong practicability, is convenient to dismount and mount and easy to manufacture, is safe and reliable, is used for carrying out cooling treatment on polluting gases exhausted by the screw extruder via the condenser, filtering the polluting gases to obtain water and enabling the water to flow into the pollution discharge barrel to be collected in a centralized manner and thus can achieve efficient pollution discharge and achieves energy-saving and environment-friendly effects.
Owner:NANJING YONGTENG CHEM EQUIP

Crown ether coordination template effect cold nuclear reactor

The invention relates to a crown ether coordination template effect cold nuclear reactor, and relates to a novel field of nuclear reaction technology. The reactor comprises four parts communicating through pipes. The four parts are a light fusion solar furnace, a strong magnetic swirl self-generation heating water supply device, a cold fusion light hydrocarbon device and a magnetic fluid power generation device with a winding provided outside a pipe, or an independent external cold fusion light hydrocarbon device and an independent external magnetic fluid power generation device. The light fusion solar furnace comprises a heat storage tank supported by a vertical support and with a built-in double-contact float constant level meter, an annular vacuum tube bundle arranged in the heat storage tank, a vacuum energy-concentration reaction kettle communicating with the tube bundle in a sealed manner, and the strong magnetic swirl self-generation heating water supply device which is used for providing preheated water for the heat storage tank through water supply coils, a water return coil, strong magnetic swirl generators, motors, and jet pumps. The vacuum energy-concentration reaction kettle is filled with cold nuclear reaction mother liquor. A heat supply pipeline passed through the reaction kettle from the inside in a sealed manner. High-power condenser lenses moving in two-axis synchronization with sunlight are arranged in a three-dimensional manner at a focus point. The reactor can provide cheap and green energy.
Owner:王钢
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products