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Cooling or heating with multi-pass fluid flow
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Patent number 7,197,883
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Issue date Apr 3, 2007
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Praxair Technology, Inc.
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Theodore Hall Gasteyer, III
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Helical impingement cooling and heating
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Patent number 6,912,869
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Issue date Jul 5, 2005
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Praxair Technology, Inc.
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Gary Dee Lang
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Impingement cooler
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Patent number 6,334,330
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Issue date Jan 1, 2002
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Praxair, Inc.
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Gary Dee Lang
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Method for providing refrigeration
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Patent number 6,176,102
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Issue date Jan 23, 2001
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Praxair Technology, Inc.
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Richard A. Novak
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Cryogenic chiller with vortical flow
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Patent number 5,577,392
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Issue date Nov 26, 1996
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Liquid Carbonic Corporation
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Sidney V. Engler
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Cryogenic tunnel freezer
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Patent number 5,444,985
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Issue date Aug 29, 1995
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Liquid Carbonic Corporation
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Gary D. Lang
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Helical conveyor freezer
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Patent number 5,343,715
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Issue date Sep 6, 1994
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Liquid Carbonic Corporation
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Gary D. Lang
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Helical conveyor freezer
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Patent number 5,205,135
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Issue date Apr 27, 1993
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Liquid Carbonic Corporation
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Gary D. Lang
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Food freezer
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Patent number 5,042,262
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Issue date Aug 27, 1991
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Liquid Carbonic Corporation
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Roger F. Gyger
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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CO.sub.2 food freezer
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Patent number 5,020,330
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Issue date Jun 4, 1991
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Liquid Carbonic Corporation
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George D. Rhoades
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Helical conveyor freezer
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Patent number 4,953,365
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Issue date Sep 4, 1990
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Liquid Carbonic Corporation
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Gary D. Lang
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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