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Vane drive rotary combustion engine
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Patent number 11,585,221
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Issue date Feb 21, 2023
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United States of America, as represented by the Secretary of the Navy
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William Gregory Buchanan
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Circulating piston engine
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Patent number 11,215,112
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Issue date Jan 4, 2022
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WB Development Company, LLC
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Walter T. Bonin
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Circulating piston engine
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Patent number 10,876,469
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Issue date Dec 29, 2020
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WB Development Company, LLC
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Walter T. Bonin
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Circulating piston engine
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Patent number 9,850,759
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Issue date Dec 26, 2017
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WB Development Company LLC
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Walter T. Bonin
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Bolonkin rotary engine
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Patent number 6,298,821
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Issue date Oct 9, 2001
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Alexander Alexandrovich Bolonkin
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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-
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Toroid sweep engine
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Patent number 4,137,890
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Issue date Feb 6, 1979
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Stephen M. Wohl
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Rotary fluid pressure engine
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Patent number 4,096,846
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Issue date Jun 27, 1978
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Alfred Biles
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Positive cam type compressor
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Patent number 4,093,408
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Issue date Jun 6, 1978
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Yoshichika Yamaguchi
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3799127
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Patent number 3,799,127
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Issue date Mar 26, 1974
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3769945
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Patent number 3,769,945
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Issue date Nov 6, 1973
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3404632
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Patent number 3,404,632
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Issue date Oct 8, 1968
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3250223
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Patent number 3,250,223
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Issue date May 10, 1966
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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2498971
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Patent number 2,498,971
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Issue date Feb 28, 1950
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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2220375
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Patent number 2,220,375
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Issue date Nov 5, 1940
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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2069557
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Patent number 2,069,557
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Issue date Feb 2, 1937
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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1856523
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Patent number 1,856,523
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Issue date May 3, 1932
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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1790561
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Patent number 1,790,561
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Issue date Jan 27, 1931
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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1771351
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Patent number 1,771,351
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Issue date Jul 22, 1930
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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1327575
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Patent number 1,327,575
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Issue date Jan 6, 1920
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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1186879
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Patent number 1,186,879
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Issue date Jun 13, 1916
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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1172692
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Patent number 1,172,692
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Issue date Feb 22, 1916
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES