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Rotating cylinder valve engine
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Patent number 7,131,405
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Issue date Nov 7, 2006
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RCV Engines Limited
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Keith Trevor Lawes
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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2080126
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Patent number 2,080,126
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Issue date May 11, 1937
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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2032985
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Patent number 2,032,985
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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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1732682
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Patent number 1,732,682
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Issue date Oct 22, 1929
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES