B63H 1/12

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9964115 Fluid pump with a rotorApr 27, 17May 08, 18ECP Entwicklungsgesellschaft mbH
9926057 Hydro system screw pump and formulaNov 22, 17Mar 27, 18Not available
9630465 Amphibious marsh craftSep 21, 15Apr 25, 17Not available
9556806 Systems and methods for controlling a rotational speed of a marine internal combustion engineDec 18, 14Jan 31, 17BRUNSWICK CORPORATION
9157324 Peripheral tunnels propellerJul 16, 10Oct 13, 15Not available
9039348 Open core continuous helical fin marine drive systemNov 20, 14May 26, 15VORTEX SEADRIVE SYSTEMS INC.
7115007 Stern unit for marine craftNov 08, 01Oct 03, 06EMEA Investment Management, LLC
5338021 Paper feeding mechanismMar 01, 93Aug 16, 94ASAHI KOGAKU KOGYO KABUSHIKI KAISHA