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Hybrid power system
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Patent number 9,841,009
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Issue date Dec 12, 2017
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Northrop Grumman Systems Corporation
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Lewis S. Proudfoot
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Multistage pulse tube coolers
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Patent number 9,714,776
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Issue date Jul 25, 2017
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The Aerospace Corporation
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Sidney W. K. Yuan
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Multistage pulse tube coolers
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Patent number 8,474,272
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Issue date Jul 2, 2013
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The Aerospace Corporation
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Sidney W. K. Yuan
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Pulse tube refrigerator
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Patent number 6,484,515
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Issue date Nov 26, 2002
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LG Electronics Inc.
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Seon Young Kim
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Acoustic cryocooler
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Patent number 4,953,366
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Issue date Sep 4, 1990
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The United States of America as represented by the United States Department o...
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Gregory W. Swift
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Externally tuned vibration absorber
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Patent number 4,694,650
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Issue date Sep 22, 1987
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Mechanical Technology Incorporated
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Ronald J. Vincent
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS