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Cold surface for cryogenic pumps
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Patent number 4,406,130
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Issue date Sep 27, 1983
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Kernforschungsanlage Julich GmbH
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Johann Hemmerich
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F24 - HEATING RANGES VENTILATING
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2560453
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Patent number 2,560,453
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Issue date Jul 10, 1951
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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2212912
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Patent number 2,212,912
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Issue date Aug 27, 1940
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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2192431
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Patent number 2,192,431
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Issue date Mar 5, 1940
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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2074700
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Patent number 2,074,700
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Issue date Mar 23, 1937
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F28 - HEAT EXCHANGE IN GENERAL
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1995167
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Patent number 1,995,167
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Issue date Mar 19, 1935
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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1985381
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Patent number 1,985,381
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Issue date Dec 25, 1934
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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1982075
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Patent number 1,982,075
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Issue date Nov 27, 1934
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F28 - HEAT EXCHANGE IN GENERAL
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1952827
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Patent number 1,952,827
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Issue date Mar 27, 1934
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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1946496
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Patent number 1,946,496
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Issue date Feb 13, 1934
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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1929952
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Patent number 1,929,952
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Issue date Oct 10, 1933
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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1856536
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Patent number 1,856,536
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Issue date May 3, 1932
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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1829386
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Patent number 1,829,386
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Issue date Oct 27, 1931
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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1829387
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Patent number 1,829,387
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Issue date Oct 27, 1931
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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1799991
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Patent number 1,799,991
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Issue date Apr 7, 1931
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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1706621
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Patent number 1,706,621
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Issue date Mar 26, 1929
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