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Marine Propulsion > Paddle Wheel Paddle WheelPaddle Wheel patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.08/24/06 - 20060189227 - Paddle wheel propulsion system and improved paddle used therewith A paddle wheel propulsion system includes a paddle wheel mounted for rotation about its horizontal axis for propelling a vessel, and for unlimited rotation about a vertical axis perpendicular to its horizontal axis for steering the vessel. The paddle wheel is also supported for limited vertical movement relative to the ... 03/02/06 - 20060046587 - Vessel propulsion system The present invention relates to a vessel propulsion system and, more specifically, to a vessel propulsion system with improved efficiency and which leads to reduced wave formation, which comprises a propulsion device immersed at least partially in water and which rotates about at least one axis of rotation essentially extending ... 02/02/06 - 20060025026 - Paddlewheel vessel thruster A paddlewheel thruster that automatically trims, substantially independently of the displacement of the vessel and paddlewheel thruster with a fin to direct water leaving the paddlewheel. ... ### FreshPatents.com Support |