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3315736
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Patent number 3,315,736
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Issue date Apr 25, 1967
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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1930157
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Patent number 1,930,157
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Issue date Oct 10, 1933
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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1757108
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Patent number 1,757,108
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Issue date May 6, 1930
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F28 - HEAT EXCHANGE IN GENERAL
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1730350
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Patent number 1,730,350
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Issue date Oct 8, 1929
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C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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1671949
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Patent number 1,671,949
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Issue date May 29, 1928
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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1628737
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Patent number 1,628,737
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Issue date May 17, 1927
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F28 - HEAT EXCHANGE IN GENERAL
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1628736
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Patent number 1,628,736
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Issue date May 17, 1927
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F28 - HEAT EXCHANGE IN GENERAL
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1620713
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Patent number 1,620,713
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Issue date Mar 15, 1927
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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1584267
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Patent number 1,584,267
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Issue date May 11, 1926
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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1584671
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Patent number 1,584,671
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Issue date May 11, 1926
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F28 - HEAT EXCHANGE IN GENERAL
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1454874
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Patent number 1,454,874
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Issue date May 15, 1923
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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1411150
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Patent number 1,411,150
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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1250884
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Patent number 1,250,884
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Issue date Dec 18, 1917
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F28 - HEAT EXCHANGE IN GENERAL
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1210322
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Patent number 1,210,322
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Issue date Dec 26, 1916
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F28 - HEAT EXCHANGE IN GENERAL
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831593
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Patent number 831,593
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F28 - HEAT EXCHANGE IN GENERAL
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822807
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Patent number 822,807
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Issue date Jun 5, 1906
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F28 - HEAT EXCHANGE IN GENERAL
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771629
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Patent number 771,629
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F28 - HEAT EXCHANGE IN GENERAL
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522416
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Issue date Jul 3, 1894
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F28 - HEAT EXCHANGE IN GENERAL
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406512
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Patent number 406,512
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F28 - HEAT EXCHANGE IN GENERAL
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282020
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Patent number 282,020
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F28 - HEAT EXCHANGE IN GENERAL
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263852
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Patent number 263,852
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F28 - HEAT EXCHANGE IN GENERAL
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224037
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Patent number 224,037
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Issue date Feb 3, 1880
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F28 - HEAT EXCHANGE IN GENERAL
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151263
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Patent number 151,263
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F28 - HEAT EXCHANGE IN GENERAL
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139634
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Patent number 139,634
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Issue date Jun 3, 1873
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F28 - HEAT EXCHANGE IN GENERAL
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101035
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Patent number 101,035
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F28 - HEAT EXCHANGE IN GENERAL
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87144
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Patent number 87,144
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F28 - HEAT EXCHANGE IN GENERAL
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67912
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Patent number 67,912
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Issue date Aug 20, 1867
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F28 - HEAT EXCHANGE IN GENERAL
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14923
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Patent number 14,923
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Issue date May 20, 1856
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F28 - HEAT EXCHANGE IN GENERAL