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Rotary heat exchanger
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Patent number 4,986,345
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Issue date Jan 22, 1991
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Nissan Motor Co., Ltd.
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Masakazu Uemura
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F28 - HEAT EXCHANGE IN GENERAL
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Heat exchanger
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Patent number 4,960,168
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Issue date Oct 2, 1990
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Raymond L. Anderson
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F28 - HEAT EXCHANGE IN GENERAL
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Heat exchanger
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Patent number 3,989,101
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Issue date Nov 2, 1976
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Frank A. Manfredi
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F28 - HEAT EXCHANGE IN GENERAL
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3908754
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Patent number 3,908,754
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Issue date Sep 30, 1975
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F28 - HEAT EXCHANGE IN GENERAL
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3835921
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Patent number 3,835,921
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Issue date Sep 17, 1974
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F28 - HEAT EXCHANGE IN GENERAL
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3688836
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Patent number 3,688,836
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Issue date Sep 5, 1972
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F28 - HEAT EXCHANGE IN GENERAL
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3477499
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Patent number 3,477,499
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Issue date Nov 11, 1969
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F28 - HEAT EXCHANGE IN GENERAL
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3387651
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Patent number 3,387,651
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Issue date Jun 11, 1968
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3295597
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Patent number 3,295,597
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Issue date Jan 3, 1967
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F28 - HEAT EXCHANGE IN GENERAL
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3260306
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Patent number 3,260,306
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Issue date Jul 12, 1966
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F28 - HEAT EXCHANGE IN GENERAL
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3253649
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Patent number 3,253,649
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Issue date May 31, 1966
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F28 - HEAT EXCHANGE IN GENERAL
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3232339
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Patent number 3,232,339
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Issue date Feb 1, 1966
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F24 - HEATING RANGES VENTILATING
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3020025
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Patent number 3,020,025
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Issue date Feb 6, 1962
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F28 - HEAT EXCHANGE IN GENERAL
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1903471
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Patent number 1,903,471
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Issue date Apr 4, 1933
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F28 - HEAT EXCHANGE IN GENERAL
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1869855
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Patent number 1,869,855
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Issue date Aug 2, 1932
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F24 - HEATING RANGES VENTILATING
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1858226
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Patent number 1,858,226
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Issue date May 10, 1932
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F28 - HEAT EXCHANGE IN GENERAL
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1850378
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Patent number 1,850,378
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Issue date Mar 22, 1932
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F28 - HEAT EXCHANGE IN GENERAL
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947424
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Patent number 947,424
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Issue date Jan 25, 1910
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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702994
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Patent number 702,994
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Issue date Jun 24, 1902
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL