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Pistons
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Patent number 4,228,727
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Issue date Oct 21, 1980
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Wellworthy Limited
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David C. Speaight
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3626815
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Patent number 3,626,815
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Issue date Dec 14, 1971
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3434398
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Patent number 3,434,398
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Issue date Mar 25, 1969
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2257184
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Patent number 2,257,184
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Issue date Sep 30, 1941
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2248175
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Patent number 2,248,175
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Issue date Jul 8, 1941
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2104350
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Patent number 2,104,350
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Issue date Jan 4, 1938
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2082898
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Patent number 2,082,898
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Issue date Jun 8, 1937
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2062625
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Patent number 2,062,625
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Issue date Dec 1, 1936
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2062624
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Patent number 2,062,624
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Issue date Dec 1, 1936
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2052985
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Patent number 2,052,985
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Issue date Sep 1, 1936
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2050452
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Patent number 2,050,452
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Issue date Aug 11, 1936
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2046587
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Patent number 2,046,587
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Issue date Jul 7, 1936
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2032849
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Patent number 2,032,849
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Issue date Mar 3, 1936
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2006008
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Patent number 2,006,008
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Issue date Jun 25, 1935
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2006009
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Patent number 2,006,009
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Issue date Jun 25, 1935
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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1990496
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Patent number 1,990,496
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Issue date Feb 12, 1935
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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1982396
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Patent number 1,982,396
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Issue date Nov 27, 1934
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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1945994
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Patent number 1,945,994
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Issue date Feb 6, 1934
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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1944934
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Patent number 1,944,934
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Issue date Jan 30, 1934
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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1909633
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Patent number 1,909,633
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Issue date May 16, 1933
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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1835874
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Patent number 1,835,874
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Issue date Dec 8, 1931
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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1802180
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Patent number 1,802,180
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Issue date Apr 21, 1931
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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1792504
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Patent number 1,792,504
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Issue date Feb 17, 1931
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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1771859
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Patent number 1,771,859
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Issue date Jul 29, 1930
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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1770818
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Patent number 1,770,818
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Issue date Jul 15, 1930
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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1759509
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Patent number 1,759,509
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Issue date May 20, 1930
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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1734021
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Patent number 1,734,021
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Issue date Oct 29, 1929
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS