A rope cleating system uses a floating shell and friction surfaces to secure lines without complex knot tying.
Segmented hand tether with lifting rings adapts to surfer height, resolving the trade-off between fixed structure simplicity and variable user accommodation.
A floating hydrophyte planting device uses a twisting pull rod to adjust plant depth via a sawtooth groove mechanism.
Moored spar buoy calculates seafloor displacement from surface GPS data, resolving oceanographic noise that degrades direct measurement precision.
A frame-mounted tester applies controlled cable tension to verify mooring bollard integrity without external vessels.
A frame-mounted hydraulic tester applies controlled tension to mooring bollards via a wrapped cable.
Bonding a thin inelastic acrylic film between inflatable board layers increases stiffness and reduces flexing during use.
A frame-mounted tester applies controlled cable tension to mooring bollards using hydraulic arms and load pin sensors.
A mesh-like elastic lid covers a recess in the seat supporting section of a personal watercraft to allow flexible storage.
Segmented cellar deck compartments route thruster cables through protected paths, maintaining redundancy after vessel damage.
Nested fasteners secure the fin assembly in a baseplate receptacle, protecting the foam core from damage while maintaining structural stability.
Elastomeric flapper assembly cushions metallic exhaust tip movement to reduce acoustic energy and component wear.
A foam product with a recessed grip handle integrates a soft shell into the core to accommodate finger insertion.
A movable core device creates integral undercuts in blow-molded watercraft, resolving the inability to form gripping features during manufacturing.
Replacing pneumatic cylinders with a servo-electric drive and rolling guides reduces energy consumption while improving positioning accuracy.
Segmented chambers filled with loose particles evacuate air to create a rigid, custom-fitting shell that absorbs point impacts and prevents transport damage.
A water shoe uses a foldable floating membrane pivoting on a supporting bar to provide buoyancy.
Installing a middle section with higher side height increases cargo volume while improving transverse stability and reducing steel usage.
Honeycomb surfboard uses fiber reinforced layers to encase a polygonal void for buoyancy.
Vertical posts and horizontal railings form a corral that restricts transverse movement, keeping pets aligned with the centerline to prevent capsizing.
System estimates travel distance and duration by processing streamflow, slope, and hydraulic radius to resolve accuracy limits in waterway logistics.
Stacking gas and steam turbines vertically on a floating vessel increases power density without expanding the process deck footprint.
A sportsboard handle integrates clamping elements and an actuating device to transmit shear stress directly into the board structure.
Segmented positioning sleeves and nested baffle plates deter animal damage to extend optical cable service life.
Converting hydrophone audio to spectrograms enables neural networks to separate mammal calls from underwater noise, eliminating human subjectivity in detection.
Fabric panels generate hydrodynamic-like drag on a buoyant board, replicating water resistance for land-based paddling technique improvement.
A detachable extension member modifies air intake passage length to adjust engine output torque, eliminating the need for complex multiple intake parts.
A flexible buoyant member attached to an archery bow limb prevents loss in water while maintaining aiming accuracy and structural integrity.
A rotatable fin box pivots a water sport board fin to side positions for storage.
A gas supply assembly integrates a shared heat transfer circuit to manage temperature and pressure across multiple lines.
Modular hydroponic rafts use interlocking segments and thermal chimneys to block light and drive convection, reducing algal growth and overheating.
A motorized nautical cleat uses roller-shaped towing elements to reduce physical effort during mooring operations.
Water-based gravitational energy storage system moves weights vertically to store and release power without land use or chemical degradation.
A corrugated plate features a smooth central top surface with four drawbeads extending to the body.
A damper mount uses a coil to apply magnetic flux to a magneto-elastic member, dynamically changing its stiffness.
Slits in a semi-flexible layer open under force while a compression layer allows deformation, preventing slippage on wet surfaces.
Chevron crests on the fin trailing edge prevent tail blowout during aggressive turns by suppressing cavitation and maintaining submerged grip.
A watercraft coupling system uses forward and aft connector rods to join adjacent vessels in a side-by-side arrangement.
A compact optical cable laying device aligns motor, air inlet, and drive rollers along a single axis for precise cable manipulation.
A tow rope management system uses a pivoting arm and elongate guide member to support and align the retrieval path.
Curved surfboard fins reduce turning effort and speed loss by minimizing drag via concave leading edges and perforated structures.
Fiber reinforced spines in a stringerless foam blank resolve torsion and weight trade-offs for surfboards.
Deploying sensors to measure far field signatures, resolving precision complexity trade-offs.
Segmented cord management units guide outrigger lines through dedicated passages to resolve friction and tangling during independent displacement.
A paddleboard connector uses a releasable lock to secure a rigid boom through an aperture.
Segmented polyethylene floats allow localized repair without dismantling the entire structure, reducing maintenance costs.