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

Marine propulsion – Screw propeller – Propeller guard

Manatee protection installation on a boat

Marine propulsion – Screw propeller – Combined with rudder

Maneuvering device for sailing boats

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

Maneuvering enhancer for twin outboard motor boats

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

Manual lift means for marine propulsion device

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

Manually operated jack plate/travel stop system

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

Marine apparatus

Marine propulsion – Screw propeller

Marine apparatus

Marine propulsion – Screw propeller – Having transmission

Marine contra-rotating propeller apparatus

Marine propulsion – Screw propeller – Propeller arrangement

Marine contra-rotating propeller drive system

Marine propulsion – Screw propeller – Propeller arrangement

Marine counter-rotational propulsion system

Marine propulsion – Screw propeller – Having transmission

Marine craft adapted for shallow water operation

Marine propulsion – Screw propeller – Propeller arrangement

Marine device with improved propeller shaft bearing carrier arra

Marine propulsion – Screw propeller – Propulsion unit casing

Marine drive anode

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

Marine drive apparatus

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

Marine drive assembly

Marine propulsion – Screw propeller – Propulsion unit casing

Marine drive gear housing

Marine propulsion – Screw propeller – Propeller arrangement

Marine drive having two counter-rotating surfacing propellers an

Marine propulsion – Screw propeller – Propulsion unit casing

Marine drive lower gearcase with non-cavitating drain plug locat

Marine propulsion – Screw propeller – Propeller arrangement

Marine drive lower unit with sequentially loaded multiple thrust