LandOfFree - US Patents - Listing for Marine propulsion

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

Balanced marine surfacing drive

Marine propulsion – Oar or paddle – Support

Ball bearing oar lock device

Marine propulsion – Screw propeller – Propulsion unit casing

Battery charging device installing structure for outboard motor

Marine propulsion – Screw propeller – Propeller arrangement

Bearing arrangement for drive shaft of water jet apparatus

Marine propulsion – Screw propeller – Having transmission

Bearing arrangement for marine transmission

Marine propulsion – Screw propeller – Having transmission

Bearing arrangement for marine transmission

Marine propulsion – Screw propeller – Propeller arrangement

Bearing carrier for outboard drive

Marine propulsion – Self-propelled vehicle having land and water propulsion means – Having separated propulsion means for land and water

Belt drive propulsion system

Marine propulsion – Self-propelled vehicle having land and water propulsion means – Having separated propulsion means for land and water

Belt drive propulsion system

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

Belt driven pedal boat

Marine propulsion – Self-propelled vehicle having land and water propulsion means – Having separated propulsion means for land and water

Bicycle floatation and transportation device and method

Marine propulsion – Powered from land vehicle supported by vessel – Land vehicle is two-wheel type

Bicycle watercraft accessory

Marine propulsion – Self-propelled vehicle having land and water propulsion means – Having separated propulsion means for land and water

Bicycle watercraft assembly

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

Bicycle-type marine vessel

Marine propulsion – Self-propelled vehicle having land and water propulsion means – Having separated propulsion means for land and water

Bike board

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

Bilge water pump mechanism for outboard motor cowl

Marine propulsion – Screw propeller – Self-clearing

Blade system for marine motors

Marine propulsion – Screw propeller

Blade-like profiled device for acting on a gaseous or liquid flu

Marine propulsion – Screw propeller – Shafting

Blocking device for preventing axial movement in selected extent