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Free piston engine control system
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Patent number 5,287,827
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Issue date Feb 22, 1994
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Tectonics Companies, Inc.
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Allen D. Almendinger
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Fuel injector for gaseous fuel
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Patent number 5,269,280
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Issue date Dec 14, 1993
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Tectonics Companies, Inc.
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Thomas A. Braun
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Unsymmetrical free piston engine
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Patent number 4,896,632
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Issue date Jan 30, 1990
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Anton Braun
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Unsymmetrical free piston engine
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Patent number 4,782,796
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Issue date Nov 8, 1988
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Anton Braun
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Bellows seal
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Patent number 4,556,369
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Issue date Dec 3, 1985
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Anton Braun
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Heat pump
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Patent number 4,292,814
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Issue date Oct 6, 1981
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Anton Braun
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F24 - HEATING RANGES VENTILATING
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Compressor
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Patent number 4,189,958
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Issue date Feb 26, 1980
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Anton Braun
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Multistage gas compressor
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Patent number 4,111,609
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Issue date Sep 5, 1978
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Anton Braun
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Machine drive mechanism
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Patent number 4,044,618
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Issue date Aug 30, 1977
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Anton Braun
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Non-friction pressure seal
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Patent number 3,958,841
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Issue date May 25, 1976
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Anton Braun
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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