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Spiral-type heat exchanger
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Patent number 4,370,861
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Issue date Feb 1, 1983
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Air Products and Chemicals, Inc.
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Norris G. Lovette
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Spiral-type heat exchanger
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Patent number 4,324,110
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Issue date Apr 13, 1982
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Air Products and Chemicals, Inc.
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Norris G. Lovette
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Carbon dioxide snow hood
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Patent number 4,166,364
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Issue date Sep 4, 1979
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Air Products and Chemicals, Inc.
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David R. Ruprecht
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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