B63H 1/24

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
8282353 Bearing unit for a long rotor blade of a wind power installation, wind power installation comprising one such rotor blade bearing arrangement, and method for operating one such wind power installationJun 06, 06Oct 09, 12IMO HOLDING GMBH
6371726 Foldable propellerOct 02, 00Apr 16, 02AB Volvo Penta
5593280 Propeller for boatOct 19, 95Jan 14, 97Honda Giken Kogyo Kabushiki Kaisha
5573373 Propellar having optimum efficiency in forward and rewarded navigationFeb 09, 95Nov 12, 96GORI MARINE AS
5494406 Propeller for boatMay 20, 94Feb 27, 96Honda Giken Kogyo Kabushiki Kaisha
4932838 Fluid apparatusDec 23, 88Jun 12, 90ISHIKAWAJIMA-HARIMA HEAVY INDUSTRIES CO., LTD.
4768927 Adjustable folding propellerMar 10, 87Sep 06, 88Confol ApS, CONFOL APS, A CORP OF DENMARK,
4364711 Folding boat propellerJan 13, 81Dec 21, 82AB Volvo Penta
4310285 Folding propeller with rubber hubNov 13, 79Jan 12, 82OUTBOARD MARINE CORPORATION
4275991 Boat propellerJun 14, 79Jun 30, 81AB Volvo Penta
4242049 Foldable propellerFeb 06, 79Dec 30, 80Hasselfors Stainless Aktiebolag
4207028 Extendable and retractable propeller for watercraftJun 12, 79Jun 10, 80Not available
4204806 Folding propellerDec 09, 77May 27, 80OUTBOARD MARINE CORPORATION