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Screw propeller with safety coupling
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Patent number 11,027,807
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Issue date Jun 8, 2021
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Eduard Arkadjevich Gerashchenko
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Diffuser-type endplate propeller
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Patent number 10,155,575
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Issue date Dec 18, 2018
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National Taiwan Ocean University
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Young-Zehr Kehr
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Propeller for boat
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Patent number 7,488,225
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Issue date Feb 10, 2009
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Yeun-Junn Lin
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Shock-absorbing propeller assembly
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Patent number 7,008,188
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Issue date Mar 7, 2006
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Precision Propeller, Inc.
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James M. Booe, Jr.
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3526168
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Patent number 3,526,168
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Issue date Sep 1, 1970
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F42 - AMMUNITION BLASTING
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3428017
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Patent number 3,428,017
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Issue date Feb 18, 1969
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3318388
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Patent number 3,318,388
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Issue date May 9, 1967
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3212296
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Patent number 3,212,296
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Issue date Oct 19, 1965
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3112797
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Patent number 3,112,797
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Issue date Dec 3, 1963
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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3045763
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Patent number 3,045,763
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Issue date Jul 24, 1962
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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2962312
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Patent number 2,962,312
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Issue date Nov 29, 1960
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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2435604
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Patent number 2,435,604
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Issue date Feb 10, 1948
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F42 - AMMUNITION BLASTING
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2320721
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Patent number 2,320,721
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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2111245
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Patent number 2,111,245
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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2079486
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Patent number 2,079,486
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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1857327
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Patent number 1,857,327
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Issue date May 10, 1932
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT