A protruding line guide mechanism redirects heaving lines away from crew members to prevent impact injuries and deck damage.
A tugboat line handling system uses a movable guide mechanism to direct lines toward a predetermined perimeter region for secure coupling.
A controllable running block travels along a deflected tow wire to position marine seismic equipment.
A movable carriage transitions along a rail to secure towing lines, eliminating manual crew exposure during transit and emergency operations.
Guide plates block shackle ends from entering the thimble eye, eliminating twisting and stress on towing components.
Deployable wings counteract array weight at low speeds, preventing sinkage and maintaining sensor alignment.
Internal pulling points on the trawl door frame establish a 10-20 degree angle of attack, resolving stability and drag trade-offs.
A vehicle accessory support structure uses a lockable base and brace system for quick tool-free mounting.
Extensible suspension links lower a buoyancy-supported frame carrying rigid tie-in connections into sub-surface transit to prevent plastic deformation.
Continuous-wave radar emits extremely low frequency electromagnetic waves to detect ferrous and non-ferrous metals in conductive saltwater.
Segmenting the vessel reduces construction costs while articulation joints maintain propulsion performance.
A helper vessel applies thrust to position a ship alongside an offshore storage facility for fluid cargo transfer.
Nested drums decouple winding operations, reducing system complexity while minimizing the stowage volume required for heavy traction cables.
Stabilizing member extends from towing vessel to personal watercraft, limiting lateral movement and preventing jackknifing behind the boat.
A VIV suppression collar uses a resilient member to dynamically adjust its diameter and maintain grip on tubulars.
Adjustable booms on a catamaran barge guide oil into pontoons while avoiding propeller wash dispersion in rough seas.
A floating cleanup vessel channels contaminants to intake ports using towboats and containment booms.
A retrieval system uses a spool assembly to manage buoyancy and pre-wound line for underwater object recovery.
A towable submersible acoustic projector housing rotates to align vertically for operation and stows inline for retrieval.
A vessel steering method shifts a pre-plot track using an equipment position offset to maintain the desired trajectory.
A torque reaction engine oscillates a fin to generate thrust without a drive-shaft.
A bridle block system uses a seventh line and local actuator to adjust paravane orientation.
A remotely operated vehicle attaches and propels a self-contained cleaning unit along submerged geophysical streamers to remove marine growth.
Steerable containers maneuver through water via adjustable hydrofoils, eliminating entanglement risks from complex guidewire systems.
Prestressed elastic element absorbs peak loads in marine coupling to protect hydraulic cylinder from fluid separation damage during wave motion.
Rotatable foil adjusts angle of attack to counteract water currents and maintain precise lateral depth positioning.
Toroidal antenna arrays segment electromagnetic frequencies to differentiate ferrous and non-ferrous metals despite saltwater signal attenuation.
Magnetic position carriers replace mechanical switches to resolve tension contradictions during towed antenna deployment.
Localized soft coatings fill micro-cracks on streamer jackets, preventing bio-fouling and extending operational life.
An offset opening in the fairing body enables rapid assembly without internal support blocks, reducing installation time and cost.
A convertible guiding pole with pivotable arms forms a Y fork to catch heaving lines automatically.
Angled slit fairings align with perturbed water flow to reduce drag and vibration, extending equipment life in geophysical surveys.
A thruster-equipped tether management system moves laterally relative to a towing vessel.
A hybrid numerical solver handles towing dynamics and environmental forces for underwater vehicle control.
Rotatable wings on a towed float generate hydrodynamic forces to control seismic source positioning, overcoming slow reaction times from marine currents.
A multiwing deflector system laterally spreads seismic streamers using underwater acoustic positioning without surface floats.
A marine craft recovery system uses divergent tensile members to pull an engagement apparatus toward anchor points on a mother ship.
Dynamic source parameter adjustments compensate for signal attenuation in challenging geological formations, enhancing subsurface imaging resolution.
A gantry robot with a top hat extension automates seismic unit handling and charging via an integrated magazine.
A shackle uses a hydraulic actuator lever to slide a locking pin, pivoting the jaw for rapid load release without transferring weight to the ram.
A mother ship deploys a single floating body with an integrated line for an unmanned watercraft to catch during retrieval operations.
Pivotable foil sections on a trawl door alter water flow patterns to adjust spreading force, overcoming the limited versatility of fixed structural designs.
A towed deployment device uses water flow to eject autonomous underwater vehicles from submerged carousels.
A semi-autonomous recovery apparatus launches and retrieves autonomous underwater vehicles from land or any vessel.
A magnetometer orientation sensor determines heading and pitch in marine streamers, reducing noise from linear acceleration interference.
A depth trigger mechanism deploys lifting bags to surface disconnected marine sensor streamers, preventing loss from buoyancy instability.
A curved otter board features a projecting structure that increases pressure difference to expand trawl net openings.