LandOfFree - US Patents - Listing for Marine propulsion,Screw propeller

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

Mounting structure of a propulsion device for an inflatable boat

Marine propulsion – Screw propeller – Propulsion unit casing

Multi-cylinder engine structure and outboard engine

Marine propulsion – Screw propeller – Propulsion unit casing

Multi-cylinder engine structure and outboard engine

Marine propulsion – Screw propeller – Self-clearing

Multi-element, line cutting and prop holding system for a marine

Marine propulsion – Screw propeller – Propeller arrangement

Multi-hull watercraft with amidships-mounted propellers

Marine propulsion – Screw propeller – Shaft braking or locking

Multi-propeller drive system

Marine propulsion – Screw propeller – Having transmission

Multi-speed marine propulsion system with improved automatic...

Marine propulsion – Screw propeller – Propulsion unit casing

Multiple part cowl structure for an outboard motor

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

Multiple venturi nozzle system for watercraft