China latest patents query

The latest invention patents collect the data information of China invention patents from 2000 to 2024, typesetting according to the date of patent publication, including patent number, application date, invention Bibliographic data, abstracts, and specification data of people are convenient for scientific researchers to quickly browse and search for patents.

A thermally tuned grating coupler

ActiveCN109031534BImprove heating efficiencyImprove coupling bandwidthCoupling light guidesThermal isolationGrating

Owner:广州铌奥光电子有限公司

Icing and anti-icing test device for double cold storage cycle

InactiveCN104787355BShort construction periodLow construction costAircraft components testingPressure balanceRunning time

Owner:SHANGHAI JIAOTONG UNIV

Positive photoresist

ActiveCN101271271BImprove flatnessImprove uniformityPhotomechanical apparatusPolymer scienceSolvent

Owner:ECHEM SOLUTIONS

Abrasive steering method with rules and product

InactiveCN101844332BConvenient Control ArrangementEasy to control arrangement patternsAbrasion apparatusGrinding devicesAutomatic steeringMechanical engineering

Owner:宋健民

A flow control method for ventilator proportional valve

ActiveCN106693128BEasy to implementHigh precisionRespiratorsMedical devicesLinear relationshipClosed loop

Owner:BEIJING AEONMED

System and method for brushing walls of I-steel joints of ground connection wall with water circulation

ActiveCN112627182BGood wall brushing effectImprove wall brushing efficiencyMachines/enginesLevel indicatorsWater storageEngineering

Owner:THE FOURTH ENG CO LTD OF CHINA RAILWAYNO 20 BUREAU GRP

An optical fiber connector with a transition angle

ActiveCN106950656BWide applicabilityCoupling light guidesEngineeringOptical fiber connector

Owner:南京瑞唐通信设备有限公司

Uplink and downlink transmission method and device based on two-way relay protocol

InactiveCN102421194BReduce fadingImprove spectrum utilizationWireless communicationFrequency spectrumInterference elimination

Owner:SHANGHAI JIAOTONG UNIV

A method for communicating in a terminal sleep state and a terminal

ActiveCN110557807BReduce power consumptionImprove performancePower managementSubstation equipmentTelecommunicationsSleep state

Owner:DATANG MOBILE COMM EQUIP CO LTD

A kind of hot-melt adhesive for high-frequency transmission with low dielectric constant, adhesive film and preparation method thereof

ActiveCN112195007BImprove shrinkage defectsLow dielectric constantNon-macromolecular adhesive additivesMacromolecular adhesive additivesPolymer scienceDielectric loss

Owner:中瀚新材料科技有限公司

A polyacrylic acid/graphene oxide nanocomposite material combined with supramolecular interaction and its preparation method and application

ActiveCN108752820BMaterial nanotechnologyAlkaneGraphene nanocomposites

Owner:TIANJIN AGRICULTURE COLLEGE

Carrier having a special feature, catalyzer and producing method thereof

ActiveCN101134173BHigh porosityHigh strengthPhysical/chemical process catalystsOil processingSorbent

Owner:CHINA PETROLEUM & CHEM CORP +1

A window view display method of cloud operating system

ActiveCN114489605BRun fastReduce dependenceVisual/graphical programmingHTML5Operational system

Owner:浙江云针信息科技有限公司

Unmanned plane holder rotating control method based on intelligent display equipment

InactiveCN106742003AOptimal control methodAvoid occluded conditionsAircraft componentsClosed circuit television systemsControl systemSimulation

Owner:GUANGZHOU EHANG INTELLIGENT TECH

Optical pickup and optical recording and reproducing apparatus using the same

InactiveCN1573975AOptical beam sourcesRecord information storageOptical pickupLight beam

Owner:SAMSUNG ELECTRO MECHANICS CO LTD

Piezoelectric resonator in a small-sized package

ActiveCN102723926APrevent subsidenceAvoid collision hazardImpedence networksTuning forkBiomedical engineering

Owner:ETA SA MFG HORLOGERE SUISSE

A Submarine General Aircraft Layout

ActiveCN108583875BReduce resistanceGuaranteed reliabilityVertical landing/take-off aircraftsSeaplanesNacelleUnderwater navigation

Owner:CALCULATION AERODYNAMICS INST CHINA AERODYNAMICS RES & DEV CENT

A glue cutting machine and glue cutting method for producing donkey-hide gelatin

ActiveCN106863453BImprove solubilityConvenient dosageMetal working apparatusEngineeringGelatin

Owner:ZHEJIANG SCI-TECH UNIV +1

Clip-On Lid

InactiveCN103443379BMan-operated mechanismPressure vesselsEngineeringPressure vessel

Owner:ROBBINS & MYERS ENERGY SYST

Galvanized thickness control system and method

ActiveCN104846306BAvoid mismatchReduce consumptionHot-dipping/immersion processesOperating pointControl system

Owner:浙江舟山至控智能装备技术有限公司

An optical chip testing device

ActiveCN113567470BQuick positioning clampingImprove detection efficiencyMaterial analysis by optical meansEngineeringMechanical engineering

Owner:安徽科惠微电子有限公司

Ultrasonic anti-freezing device of power transmission tower

ActiveCN102995942BStable jobContinuous power supplyTowersHigh-altitude wind powerMicrocontroller

Owner:STATE GRID CORP OF CHINA +1

A kind of synthetic method of 1-cyclohexene-1,2-dicarboximide

ActiveCN108689910BHigh selectivityImprove conversion rateOrganic chemistryImidePtru catalyst

Owner:仪征市海帆化工有限公司

Film structure of reflective 0.532μm and 1.064μm, transparent 0.6μm-0.9μm spectral spectroscopic film

ActiveCN105842768BShort manufacturing cycleReduced Risk of Controlled Wavelength DriftOptical filtersBeam splittingOptoelectronics

Owner:西安应用光学研究所

Rotary opening type check valve

ActiveCN102297277BReduce volumeReduce shockCheck valvesEngineeringCheck valve

Owner:XUANDA IND GRP

Method for quickly analyzing phase component of building gypsum

InactiveCN102175555BAnalytical equipment is simpleEasy analysisWeighing by removing componentHydration reactionPhysical chemistry

Owner:SHANGHAI RES INST OF BUILDING SCI CO LTD

A Long Nut Reverse Type Planetary Roller Screw

ActiveCN104179911BImprove impact resistanceIncrease the effective strokeGearingSplit pinRoller screw

Owner:SICHUAN AEROSPACE FENGHUO SERVO CONTROL TECH CO LTD

Automotive Dual Fuel Rail Multi-way Valve

ActiveCN105020034BAvoid the pitfalls of flameoutQuick switchInternal combustion piston enginesFuel injection apparatusSolenoid valveFlameout

Owner:江苏晟通固废环保处置有限公司

Automatic shaking and separating device for cassava harvester

ActiveCN103858583BAchieve the purpose of automatic jitter separationRealize green environmental protectionDigger harvestersEngineeringJitter

Owner:GUANGXI UNIV

A polymer containing thienothiophene, benzothiadiazole and cyclopentadithiophene and its preparation and application

ActiveCN103848967BLower bandgapBroaden the range of light absorptionOrganic chemistrySolid-state devicesPolymer scienceCiclopentolato

Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +2

Nutritional equilibrium and comprehensive breakfast instant block

InactiveCN101185522BScientific and reasonable collocationNutritional diversityFood preparationAdditive ingredientBifidus factor

Owner:UNIV OF JINAN

A kind of alignment film material and the manufacturing method of liquid crystal display panel

ActiveCN103484132BStable vertical alignment performanceAvoiding Mura DefectsLiquid crystal compositionsNon-linear opticsSide chainVertical alignment

Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

A kind of completely deactivated hydrocracking catalyst recovery and reuse method

ActiveCN104549491BMolecular sieve catalystsCatalyst regeneration/reactivationLiquid ratioSlurry

Owner:CHINA PETROLEUM & CHEM CORP +1

A dovetail slot coil bobbin clamp and its working method

ActiveCN112614694BSolve clamping problemsReasonable designCoils manufactureBobbinDrive shaft

Owner:FUJIAN UNIV OF TECH

A real irrigated area identification method based on cumulative evapotranspiration over time

ActiveCN114092807BImprove recognition accuracySolve the problem that precipitation affects the recognition accuracyCharacter and pattern recognitionVegetationSoil science

Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES

Processing technology and tool for outer guide frame of side frame of rail wagon

ActiveCN102990454BSolve the problem of secondary clamping and positioningImprove processing efficiencyMilling equipment detailsPositioning apparatusEngineeringTruck

Owner:齐齐哈尔金车工业有限责任公司

An energy-saving aluminum alloy fireproof window

ActiveCN110409971BCurb spreadCurb extinguishedFireproof doorsFire rescueSash windowFire protection

Owner:安徽汉东装饰工程有限公司

Special-shaped object lifting transport vehicle

ActiveCN102815624BImprove work efficiencyEasy to operateTrolley cranesTravelling gearEngineeringTractor

Owner:CHINESE ACAD OF AGRI MECHANIZATION SCI

LNG gas supply system and control method for reducing LNG gasification emission

ActiveCN106762233BReduce wasteElectrical controlInternal combustion piston enginesBuffer tankSafety valve

Owner:HUBEI JINQUAN NEW MATERIALS CO LTD

Connecting method and connecting body for lingual side of molar belt ring

InactiveCN102940535ATo achieve the purpose of correctionAvoid WeldingArch wiresBracketsEngineeringPhysics

Owner:JILIN UNIV

An environmentally friendly biomass raw material cleaning equipment in the field of new energy

ActiveCN107952751BImprove cleaning efficiencyReduce manual labor intensityCleaning processes and apparatusNew energyProcess engineering

Owner:浏阳市三工环保科技有限公司

PCB expansion and contraction compensation method

ActiveCN103747617BReduce expansion and contraction deviationImprove manufacturing precisionPrinted circuits stress/warp reductionPrinted circuit manufactureEngineeringArea measurement

Owner:GUANGZHOU FASTPRINT CIRCUIT TECH +2

A high-parameter black water angle valve equipped with flow resistance with turbulence and ash collection functions

ActiveCN109854753BSimple structureEasy to adjustValve members for absorbing fluid energyLift valveStructural engineeringMechanics

Owner:WUZHONG INSTR +1

Equipment for endoscopic procedures

ActiveCN104783853BSurgical staplesSurgical forcepsEndoscopic operationsJoystick

Owner:TYCO HEALTHCARE GRP LP

Photosensitive vesicle containing glycolipid combination probe for detecting avian influenza virus and preparation method thereof

InactiveCN101805801BEasy to makeLow costMicrobiological testing/measurementMicroorganism based processesPhospholipidColor changes

Owner:INST OF CHEM CHINESE ACAD OF SCI

Preparation method for Fe3S4 nanocrystalline material

ActiveCN102874879BHigh crystallinityImprove stabilityMaterial nanotechnologyIron sulfidesSolubilityBiocompatibility Testing

Owner:UNIV OF SCI & TECH OF CHINA

A method for fixing a radar bracket with adhesive and the radar bracket

InactiveCN103465835BEasy to useEasy to fixVehicle componentsRadarExtrusion

Owner:广东骏弘精工汽车部件有限公司

Method for preparing partially carbonized coal briquette, device for preparing partially carbonized coal briquette, and molten iron preparation device

InactiveCN103370396BHigh heat intensityDirect heating destructive distillationBiofuelsCoal briquetteIron powder

Owner:POHANG IRON & STEEL CO LTD

Analytical multi-spectral optical detection system

InactiveCN101300478AHigh sensitivityMinimize the numberBiological testingFluorescence/phosphorescenceFiberThroughput

Owner:F HOFFMANN LA ROCHE & CO AG

The Calculation Method of Contamination Ratio Between Composite Insulator and Standard Disc Suspension Insulator

ActiveCN109580460BImprove work efficiencyWeather/light/corrosion resistanceComposite insulatorsEngineering

Owner:ELECTRIC POWER RES INST OF STATE GRID ZHEJIANG ELECTRIC POWER COMAPNY

Self-locking high-precision rotary drive motor

InactiveCN1832325BIncrease static frictionLarge axial clamping forcePiezoelectric/electrostriction/magnetostriction machinesLocking mechanismDrive motor

Owner:UNIV OF SCI & TECH OF CHINA

A method and device for acquiring terminal location

ActiveCN109996168BReduce the difficulty of collectionReduce collection costsLocation information based serviceLongitudeRemote sensing

Owner:CHINA MOBILE GROUP JILIN BRANCH +1

A variable wavelength two-dimensional optical rotation device with controllable polarizability and its preparation method

ActiveCN108732791BMeet the needs of the designMeet design needsNon-linear opticsHeterojunctionParticle physics

Owner:XIAMEN UNIV

A rapid grease mixing device

InactiveCN106000157BMeet needsSimple structureRotary stirring mixersTransportation and packagingUser needsEngineering

Owner:封丘县大洋化工材料有限公司

Magnetic head

InactiveCN1612218AAvoid damageReduce track width sizeManufacture head surfaceRecord information storageHigh densityMagnetic tape

Owner:ALPS ALPINE CO LTD

A special circuit breaker processing fixture for renewable energy power generation equipment

ActiveCN113118997BImprove stabilityNo unstable clampingWork holdersScrew threadRenewable power generation

Owner:无锡维通利电气有限公司

Optical vortex mode all-fiber current sensor

ActiveCN108593995BCurrent/voltage measurementVoltage/current isolationCurrent sensorCcd camera

Owner:SHANGHAI UNIV

Motor for drainage pump, method for manufacturing same, and drainage pump having same

ActiveCN111448395BAvoid deformationSuppression of shaft misalignmentPump componentsManufacturing dynamo-electric machinesAutomotive engineeringElectric motor

Owner:FUJIKOKI MFG CO LTD

A method and device for controlling the friction boundary of fiber strands in the main drafting zone of the ring spinning drafting mechanism

ActiveCN111020759BLess power consumptionReduce manufacturing costDrafting machinesYarnFiber

Owner:东莞中科新智纺织科技有限公司

Special two-stage bm screw for wire and cable extruder

ActiveCN104589618BImprove the homogenization effectAvoid disintegrationDiameter ratioEngineering

Owner:安徽普瑞斯电工机械有限公司

An Optimal Scheduling Method for Slurry Circulation Pump Based on Process Data Scanning

ActiveCN106447130BOvercome the shortcomings of narrow coverage of sample working conditionsLow costForecastingResourcesField testsSlurry

Owner:SOUTHEAST UNIV

Ram deflection correction device and correction method

InactiveCN102596491BCorrection displacementCorrective tiltAutomatic control devicesLarge fixed membersEngineeringMachine tool

Owner:MITSUBISHI HEAVY IND LTD

A method for evaluating the operating state of a power quality monitoring device

ActiveCN107765206BEnables remote health assessmentReduce operation and maintenance management costsElectrical measurementsPower qualityMissing data

Owner:ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD

A packet processing method for avoiding continuous loss of two groups of packets due to packet loss

ActiveCN104660499BAvoid lostAvoid pollutionData switching networksPacket loss rateComputer science

Owner:SOUTHEAST UNIV

Konjak ceramide and extraction method thereof

ActiveCN102070681BReduce contentIncrease productionSugar derivativesSugar derivatives preparationDistillationFreeze-drying

Owner:CHENGDU SAFE BIO TECH

Paper composition and its production method

InactiveCN105209687BInorganic compound additionPulp material addition processesPolymer chemistryPigment particle

Owner:DOW GLOBAL TECH LLC +1

Video data compaction coding method

InactiveCN100502507CEfficient compressionReconstruct residual dataTelevision systemsDigital video signal modificationData compressionImaging quality

Owner:ZHEJIANG UNIV

Electronic control device for side formwork placement equipment of prefabricated components using automatic route optimization

ActiveCN104950801BStrengthen mutual cooperationFast actionNumerical controlMicrocontrollerClosed loop

Owner:NORTHERN HEAVY IND GRP CO LTD

A video synchronization method based on camera shooting

InactiveCN103347144BReduce manual interventionRealize automatic adjustmentTelevision system detailsColor television detailsComputer graphics (images)

Owner:GUANGDONG VTRON TECH CO LTD

Three-dimensional image quality objective evaluation method based on zero watermark

InactiveCN102521825BImprove consistencyImage analysisImage data processing detailsImaging qualityPattern perception

Owner:NINGBO UNIV

A method for correcting the inclination of mold precast hole

ActiveCN107457364BImprove processing efficiencyEasy to useFoundry mouldsFoundry coresMaterials scienceCasting

Owner:南通宏久金属制品有限公司

A kind of preparation method of nano pearl powder rich in active peptide

ActiveCN106265748BIncrease contentPromote absorptionPowder deliveryMolluscs material medical ingredientsCrusherBuffer solution

Owner:伊纱曼妮广州生物科技有限公司

Method for improving selectivity of 1,3-cyclohexanedione herbicide

InactiveCN100471392CBiocideAnimal repellantsVegetationPhenacyl

Owner:SYNGENTA LTD

An intrinsically safe passive radio frequency circuit

ActiveCN104539308BLower build costsReduce maintenance costsTransmissionRadio frequency energyEnergy control

Owner:LNGTOP TECH JIANGSU

Point liquid level sensor device and measurement method based on optical frequency domain reflectometry

ActiveCN107515033BImprove reliabilityEasy to fixMachines/enginesLevel indicatorsBeam splitterData acquisition

Owner:武汉昊衡科技有限公司

A prism isolator and optical device

ActiveCN109581596BImprove isolationSimple structureCoupling light guidesManufacturing technologyLight beam

Owner:WUHAN TELECOMM DEVICES

A sea-going magnetic separator suitable for seawater beneficiation

ActiveCN102872971BSorting thoroughlyImprove structural rigidityMagnetic separationMagnetic separatorEngineering

Owner:马鞍山市天工科技股份有限公司

A method for generating a monitoring interface of a rail transit network management system

ActiveCN108995678BQuick and automatic generationAvoid work-intensive technical issuesAutomatic systemsNetwork managementHuman–computer interaction

Owner:WUHAN HONGXIN TECH DEV CO LTD

A system and method for connecting peripheral devices to a supporting network through a mobile station

InactiveCN1706166AAvoid the needSimplify local connectionsConnection managementWireless network protocolsTelecommunicationsIp address

Owner:TELEFON AB LM ERICSSON (PUBL)

Integral bidirectional throttling valve and manufacturing method thereof

ActiveCN101319836BSimple structureFew moving partsMechanical apparatusFluid circulation arrangementEngineeringAir conditioning

Owner:GUANGDONG HANGJI METAL PRODUCT INDUSTRIES CO LTD

Polyethylene fabric, and backing and artificial turf made therefrom

PendingCN110730797AFilament/thread formingGround pavingsPolymer scienceArtificial turf

Owner:TOTAL RES & TECH FELUY

Method for Extracting and Separating Alkaloids from Junggar Aconitum

ActiveCN104193679BOrganic chemistryEpoxyEthyl acetate

Owner:XINJIANG MEDICAL UNIV AFFILIATED HOSPITAL OF CHINESE MEDICINE

A leg massager

InactiveCN109125020BImprove massage efficiencyImprove massage qualityRoller massageHydraulic cylinderPhysical medicine and rehabilitation

Owner:HEBI CITY PEOPLES HOSPITAL

door bracket

ActiveCN103827424BDoor bracket removalEasy to removeWing fastenersFastening meansEngineeringFlange

Owner:PENN ELCOM CORP +1

Hard surface vacuum

InactiveCN101909500BEfficient separationSuction filtersCarpet cleanersInlet channelLiquid tank

Owner:ALFRED KARCHER GMBH & CO KG

A precision casting device for precision casting of artworks

ActiveCN108994259BImprove the quality of precision castingEvenly distributedFoundry mouldsFoundry coresAutomatic controlElectric machine

Owner:XIAN UNIV OF SCI & TECH

An integrated structure of an optical chip and its manufacturing method

ActiveCN106206915BLow costIncrease flexibilitySemiconductor/solid-state device detailsSolid-state devicesInjection molding machineElectrical and Electronics engineering

Owner:GOERTEK MICROELECTRONICS CO LTD

A method for cluster packaging generated app applications

ActiveCN104539725BMeet needsHigh speedTransmissionDistributed computingRequest distribution

Owner:BEIJING JINHER SOFTWARE

A method for preparing silver oxide-doped manganese oxide nanowire network based on electrospinning and its application in catalytic decomposition of formaldehyde

ActiveCN110433804BLarge specific surface areaHigh aspect ratioDispersed particle separationMetal/metal-oxides/metal-hydroxide catalystsSpinningCatalytic decomposition

Owner:HARBIN INST OF TECH

A quick way to test the effect of nanoparticles on algae activity

ActiveCN109536566BEasy to operateLow instrument requirementsMicrobiological testing/measurementAlgal growth inhibitionCulture fluid

Owner:UNIV OF SCI & TECH BEIJING

Sizing machine capable of keeping even weft density of gauze

ActiveCN102912570BQuality improvementUniform distanceTextile treatment machine partsLiquid/gas/vapor textile treatmentEngineeringSizing

Owner:JIANGSU HIDA MARINE VALVE

Conveyor with cleaning function

ActiveCN111871892BReduce generationPlay the role of guideUsing liquid separation agentCleaningDust controlStructural engineering

Owner:CCCC MECHANICAL & ELECTRICAL ENG

Microwave regeneration control system and method for reducing its reflective wave and its operation

InactiveCN101169059BExhaust apparatusSilencing apparatusControl systemEngineering

Owner:GM GLOBAL TECH OPERATIONS LLC

Copper interconnected fabricating method for semiconductor device and structure thereof

ActiveCN100459099CInhibited DiffusionExtended Diffusion PathSemiconductor/solid-state device detailsSolid-state devicesCopper interconnectTantalum nitride

Owner:SEMICON MFG INT (SHANGHAI) CORP +1

Imaging device, imaging method, and electronic device

ActiveCN102970494BTelevision system detailsColor television detailsEngineeringElectric equipment

Owner:SONY CORP

A kind of self-healing material and its preparation method and application

ActiveCN111574091BImprove wettability and dispersibilityHigh strengthPolyvinyl alcoholRestorative material

Owner:刘汉东

A kind of bismuth selenide nanomaterial and its preparation method and application

InactiveCN103288061BEasy to makeLow toxicityMaterial nanotechnologyX-ray constrast preparationsDispersityX-ray

Owner:FUZHOU UNIV

Atmospheric pressure storage tank risk assessment and safety inspection evaluation method

ActiveCN110824018BReflect the distributionAnalysing solids using sonic/ultrasonic/infrasonic wavesMaterial analysis using acoustic emission techniquesRisk rankingElement analysis

Owner:宁波市劳动安全技术服务有限公司

A startup control method, device and construction machinery

ActiveCN112483295BAvoid damageExtended service lifeElectric motor startersMachines/enginesActuatorControl theory

Owner:SANY HEAVY MACHINERY

Method and system for determining the integrity of a software reliability assurance process

ActiveCN105677566BQuality improvementImprove reliabilitySoftware testing/debuggingDependabilityMandatory Indicator

Owner:FIFTH ELECTRONICS RES INST OF MINIST OF IND & INFORMATION TECH

Wound dressing with semi-rigid support to increase disruption using perforated dressing and negative pressure wound therapy

PendingCN113507908AAdhesive dressingsWound dressingContact layer

Owner:3M INNOVATIVE PROPERTIES CO

A kind of nylon composite material for automotive interior parts with low irritating smell and preparation method thereof

ActiveCN106633840BImprove flame retardant performanceReduces pungent odorsFiberAlkali free

Owner:徐州腾飞工程塑料有限公司