Contra-propellers and other water guiding installations in front of or behind the rotating propeller

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Industry

CPC
B63B2745/02

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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B63Ships B63BSHIPS OR OTHER WATERBORNE VESSELS EQUIPMENT FOR SHIPPING B63B2745/00Propellers for ships in general

Current Industry

B63B2745/02Contra-propellers and other water guiding installations in front of or behind the rotating propeller

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Patents Grantslast 30 patents

Information Patent Grant
Modification of traditional propeller shaft tunnel on a vessel hull
- Patent number 9,975,617
- Issue date May 22, 2018
- Nicholas Buck-Niehaus
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents