LandOfFree - US Patents - Listing for Marine propulsion

Marine propulsion – With indicator

Watercraft speed control device

Marine propulsion – Means to control the supply of energy responsive to a sensed...

Watercraft steering assist system

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

Watercraft swivel drives

Watercraft with a couple of water jet propulsion units

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

Watercraft with catalytic exhaust system

Marine propulsion – Screw propeller – Propulsion unit casing

Watercraft with engine housing

Marine propulsion – Oar or paddle – Articulated sectional oar or paddle

Watercraft with frontface oar system

Watercraft with improved stability

Watercraft with pivot control

Watercraft with steer responsive engine speed controller

Marine propulsion – Means to control the supply of energy responsive to a sensed...

Watercraft with steer-responsive throttle

Marine propulsion – Jet drive – Direction control for fluid jet

Watercraft with steerable planing surface

Marine propulsion – Oscillating propelling means – Fishtail motion propelling means

Watercraft with swivel fin drive

Marine propulsion – Oscillating propelling means – Fishtail motion propelling means

Watercraft with swivel fin drive

Marine propulsion – Jet drive – Direction control for fluid jet

Watercraft with thrust-reversing device

Watercraft with twin jet propulsion units

Marine propulsion – Paddle wheel

Watercrafts with active hulls attain substantial...

Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm

Watercycle for wet rider

Waterjet docking control system for a marine vessel