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Heat exchangers
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Patent number 4,473,108
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Issue date Sep 25, 1984
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Flakt Aktiebolag
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Lennart Jansson
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F24 - HEATING RANGES VENTILATING
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Rotor support
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Patent number 4,372,370
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Issue date Feb 8, 1983
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The Air Preheater Company, Inc.
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Richard F. Stockman
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F28 - HEAT EXCHANGE IN GENERAL
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Heat recovery wheel
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Patent number 4,328,856
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Issue date May 11, 1982
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Corning Glass Works
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George M. Cunningham
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F28 - HEAT EXCHANGE IN GENERAL
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-
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Trunnion seal
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Patent number 4,159,033
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Issue date Jun 26, 1979
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The Air Preheater Company, Inc.
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Harlan E. Finnemore
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F28 - HEAT EXCHANGE IN GENERAL
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Rotor post
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Patent number 4,153,102
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Issue date May 8, 1979
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The Air Preheater Company, Inc.
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Richard F. Stockman
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F28 - HEAT EXCHANGE IN GENERAL
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Regenerator disc drive
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Patent number 4,144,929
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Issue date Mar 20, 1979
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General Motors Corporation
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James M. French
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F28 - HEAT EXCHANGE IN GENERAL
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Regenerator drive assembly
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Patent number 4,082,139
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Issue date Apr 4, 1978
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General Motors Corporation
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Leonard C. Davis
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F28 - HEAT EXCHANGE IN GENERAL
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Rotor centering device
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Patent number 4,019,568
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Issue date Apr 26, 1977
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The Air Preheater Company, Inc.
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Tadek Brzytwa
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F28 - HEAT EXCHANGE IN GENERAL
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3915220
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Patent number 3,915,220
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Issue date Oct 28, 1975
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F28 - HEAT EXCHANGE IN GENERAL
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3871442
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Patent number 3,871,442
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Issue date Mar 18, 1975
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B66 - HOISTING LIFTING HAULING
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3834449
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Patent number 3,834,449
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Issue date Sep 10, 1974
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F28 - HEAT EXCHANGE IN GENERAL
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3828844
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Patent number 3,828,844
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Issue date Aug 13, 1974
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F28 - HEAT EXCHANGE IN GENERAL
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3777804
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Patent number 3,777,804
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Issue date Dec 11, 1973
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F28 - HEAT EXCHANGE IN GENERAL
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3693703
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Patent number 3,693,703
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Issue date Sep 26, 1972
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F28 - HEAT EXCHANGE IN GENERAL
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3687192
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Patent number 3,687,192
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Issue date Aug 29, 1972
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F28 - HEAT EXCHANGE IN GENERAL
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3612163
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Patent number 3,612,163
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Issue date Oct 12, 1971
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F28 - HEAT EXCHANGE IN GENERAL
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3367403
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Patent number 3,367,403
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Issue date Feb 6, 1968
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F28 - HEAT EXCHANGE IN GENERAL
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3280894
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Patent number 3,280,894
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Issue date Oct 25, 1966
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F28 - HEAT EXCHANGE IN GENERAL
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3251402
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Patent number 3,251,402
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Issue date May 17, 1966
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F24 - HEATING RANGES VENTILATING
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3187803
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Patent number 3,187,803
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Issue date Jun 8, 1965
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F28 - HEAT EXCHANGE IN GENERAL
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3186478
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Patent number 3,186,478
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Issue date Jun 1, 1965
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F28 - HEAT EXCHANGE IN GENERAL
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3144903
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Patent number 3,144,903
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Issue date Aug 18, 1964
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F28 - HEAT EXCHANGE IN GENERAL
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2969958
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Patent number 2,969,958
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Issue date Jan 31, 1961
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F28 - HEAT EXCHANGE IN GENERAL
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2936160
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Patent number 2,936,160
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Issue date May 10, 1960
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F28 - HEAT EXCHANGE IN GENERAL
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2726849
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Patent number 2,726,849
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Issue date Dec 13, 1955
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F28 - HEAT EXCHANGE IN GENERAL
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2673718
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Patent number 2,673,718
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Issue date Mar 30, 1954
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F28 - HEAT EXCHANGE IN GENERAL