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Marine Propulsion > Operator Powered Drive For Propelling Means > Rotary Cranking Arm > Having Endless Drive Member Having Endless Drive MemberHaving Endless Drive Member 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.06/15/06 - 20060128235 - Prevention of cavitation corrosion The present invention directly deals with the problem of cavitation corrosion by modifying the hub of a propeller to eliminate low pressure areas. The present invention is the placement, formation, and/or insertion, on a propeller, of a non-smooth area in each facet of the hub between each of the blades. ... ### FreshPatents.com Support |