LandOfFree - US Patents - Listing for Marine propulsion

Marine propulsion – Electric drive for propelling means

Trolling system for water crafts

Marine propulsion – Engine – motor – or transmission control means

Trolling valve safety device

Marine propulsion – Inboard engine mount

Truss system engine mount for light watercraft

Marine propulsion – Screw propeller – Propeller guard

Tubular duct for a ship propeller

Marine propulsion – Screw propeller – With means effecting or facilitating movement of propulsion...

Tug type vessel

Tunnel thruster and water lubricated rotor duct assembly

Marine propulsion – Screw propeller – Having means to control flow around propeller

Tunnel wedge

Marine propulsion – Jet drive – Propulsion fluid is pressurized gas

Turbo kick board

Marine propulsion – Jet drive – Propulsion fluid is pressurized gas

Turbo-hydroduct propulsion system

Marine propulsion – Means for accomodating or moving engine fluids – Means for handling exhaust gas

Turbocharged engine structure for small-sized boat

Marine propulsion – Screw propeller – With means effecting or facilitating movement of propulsion...

Turning of a propulsion unit

Marine propulsion – Means for accomodating or moving engine fluids – Means for handling exhaust gas

Turning propeller drive for a boat

Marine propulsion – Jet drive – Direction control for fluid jet

Turning-aid nozzle

Twin impeller drive for jet pump

Twin jet drive for watercraft

Twin jet propulsion units

Marine propulsion – Screw propeller – Having transmission

Twin outboard drive for watercraft

Marine propulsion – Screw propeller – With means effecting or facilitating movement of propulsion...

Twin outboard motor hydraulic steering system

Marine propulsion – Means for accomodating or moving engine fluids – Cooling for engine

Twin propeller marine propulsion unit