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Hot-gas engine electric heater
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Issue date Oct 20, 1998
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Rudy Kerpays
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Issue date May 22, 1990
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Mitchell/Sterling Machines/Systems, Inc.
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Matthew P. Mitchell
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Stirling machine
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Patent number 4,717,405
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Issue date Jan 5, 1988
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Battelle Memorial Institute
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Jean-Pierre Budliger
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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3822388
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Patent number 3,822,388
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Issue date Jul 2, 1974
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3604821
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Patent number 3,604,821
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Issue date Sep 14, 1971
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3563028
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Patent number 3,563,028
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Issue date Feb 16, 1971
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3513659
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Patent number 3,513,659
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Issue date May 26, 1970
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3484616
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Patent number 3,484,616
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Issue date Dec 16, 1969
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS