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Supercritical refrigeration system
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Patent number 6,591,618
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Issue date Jul 15, 2003
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Praxair Technology, Inc.
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Henry Edward Howard
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Radial turbine nozzle vane
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Patent number 5,299,909
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Issue date Apr 5, 1994
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Praxair Technology, Inc.
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James B. Wulf
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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High efficiency turboexpander
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Patent number 5,046,919
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Issue date Sep 10, 1991
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Union Carbide Industrial Gases Technology Corporation
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James B. Wulf
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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