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Helical device for cooling or heating
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Patent number 12,219,978
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Issue date Feb 11, 2025
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Praxair Technology, Inc.
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Theodore H Gasteyer
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Helical device for cooling or heating
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Patent number 11,350,650
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Issue date Jun 7, 2022
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Praxair Technology, Inc.
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Theodore H Gasteyer
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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