Marine propulsion inventions 06/09

20090163089 - Propeller assembly incorporating spindle with fins and overmolded bushing: A propeller assembly is provided for mounting on a rotatable propeller shaft of a watercraft. The propeller assembly includes a housing structure extending along a longitudinal axis. The housing structure includes an outer surface and an inner surface defining a cavity having a polygonal-shaped cross-section defined by at least one... Agent: Boyle Fredrickson S.c.

20090163090 - Automatic trim apparatus: A trim adjustment system includes a means for sensing the depth of the water over which a power boat is traversing and automatic means for raising the propeller and shaft of the boat motor out of danger of the propeller and shaft from becoming damaged by contact with the bed... Agent: Gifford, Krass, Sprinkle,anderson & Citkowski, P.c

20090163091 - Boat-propelling machine: In a boat-propelling machine for attachment to a boat hull (200), an outer wall unit (4) is fixedly provided on a body of the machine for covering part of a cylindrical structural body (60) that is formed of metal alloy and positioned so as to be at least above a... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090163092 - Cooling system for outboard motor: A cooling system includes a coolant distributing device arranged to distribute coolant discharged from a water pump to both an engine and a transmission device. The coolant distributing device includes a coolant relay section, an inlet conduit member, an outlet conduit member, and a transmission cooling conduit member, and supplies... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090163093 - Outboard motor: A motor including an intake-side conduit member disposed outside a casing that makes a connection between a cooling water intake section of a water pump and an intake hole, and a cooling water relay section provided outside the casing. The cooling water relay section communicates with a cooling water supply... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090163094 - Outboard motor: An outboard motor includes a water pump arranged to draw in cooling water, a pump drive mechanism that decelerates rotation of a drive shaft and transmits the rotation to the water pump, and an oil supply device (a main oil passage, oil ejection passages, a hollow portion, and an oil... Agent: Yamaha Hatsudoki Kabushiki Kaisha C/o Keating & Bennett, LLP

20090156068 - Hybrid propulsion systems: A hybrid propulsion and energy management system for use in marine vessels and other variable demand propulsion applications monitors and draws energy from various energy sources dynamically to implement multiple operating modes and provide efficient system operation across a range of propulsive demands, altering the operation and output of various... Agent: Speckman Law Group PLLC

20090156069 - Amphibious vehicle: The amphibious vehicle is a motorized vehicle capable of travel on land as well as in the water. The amphibious vehicle has a boat-like hull and a caterpillar track assembly mounted along each side by a respective pair of rotating supports. The tracks are arranged so that the tracks can... Agent: Litman Law Offices, Ltd.

20090156070 - Marine exhaust manifold: A marine exhaust manifold comprises a collector for receiving exhaust gases from an engine, at least two exhaust runners for conducting exhaust gas from said engine to the collector, and a cooling jacket to cool said collector and exhaust runners. In one aspect at least one exhaust runner is adapted... Agent: Townsend And Townsend And Crew, LLP

20090156071 - Engine exhaust bypass system for ocean vessel: A primary exhaust bypass for a water-borne vessel having a seat member and a closure member coupled to the seat member, wherein the seat and closure members are configured to seal against exhaust leakage in the closed position and to allow exhaust leakage in the opened condition, and a locking... Agent: Locke Lord Bissell & Liddell LLP Attn:IPDocketing

20090149089 - Deep water amphibious vehicle: A vehicle is adapted to operate on land and in water having a depth of over four feet. The vehicle includes a chassis, one or more pontoons supported by the chassis, and a track system disposed on each of the one or more pontoons and adapted to provide propulsion to... Agent: Conley Rose, P.C. David A. Rose

20090149091 - Means for providing up-relief to a hydraulic cylinder unit: A hydraulic cylinder unit comprises a cylinder, a piston disposed within the cylinder, and piston rod connected to the piston. The piston rod is reciprocatingly received within the cylinder, and the piston rod being movable between a first position in which the piston rod is substantially disposed within the cylinder... Agent: Cameron Ip

20090149090 - Boat propulsion engine: A boat propulsion engine includes a buoyant member (20) disposed on a case body that houses a drive shaft (47) in order to lift the stern. The buoyant member has a lower surface (32) that slopes downward in the rearward direction.... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090142973 - Jack plate for an outboard motor: A jack plate for vertically raising and lowering an outboard motor mounted on a boat. The jack plate comprises a motor lift and a jack plate mounting assembly. The jack plate mounting assembly has a transom plate and a pair of spacing brackets with jack plate rails. The motor lift... Agent: Patterson, Thuente, Skaar & Christensen, P.A.

20090142974 - Steering connection system for connecting two or more marine propulsion devices: A steering connecting device for a boat couples the steering of a primary propulsion device and an auxiliary propulsion device. The primary propulsion device has an outer surface and is attached to the transom of the boat and an auxiliary propulsion device. There is a hinge assembly hingeably attached to... Agent: Wesley M. Strobel