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-
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Air heater seals
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Patent number 5,529,113
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Issue date Jun 25, 1996
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William J. Borowy
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F28 - HEAT EXCHANGE IN GENERAL
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Air heater seals
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Patent number 5,363,906
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Issue date Nov 15, 1994
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William J. Borowy
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F28 - HEAT EXCHANGE IN GENERAL
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Air heater seals
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Patent number 5,137,078
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Issue date Aug 11, 1992
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William J. Borowy
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F28 - HEAT EXCHANGE IN GENERAL
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Bi-directional flexible seal
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Patent number 4,940,080
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Issue date Jul 10, 1990
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Reeves & Woodland Industries
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Richard L. Reeves
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F28 - HEAT EXCHANGE IN GENERAL
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Quick release for sector plate
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Patent number 4,219,069
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Issue date Aug 26, 1980
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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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Rotor post seal
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Patent number 3,980,128
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Issue date Sep 14, 1976
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The Air Preheater Company, Inc.
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Richard Franklin Stockman
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F28 - HEAT EXCHANGE IN GENERAL
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3856077
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Patent number 3,856,077
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Issue date Dec 24, 1974
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F28 - HEAT EXCHANGE IN GENERAL
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3805882
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Patent number 3,805,882
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Issue date Apr 23, 1974
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F28 - HEAT EXCHANGE IN GENERAL
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3800860
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Patent number 3,800,860
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Issue date Apr 2, 1974
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F28 - HEAT EXCHANGE IN GENERAL
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3710851
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Patent number 3,710,851
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Issue date Jan 16, 1973
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F28 - HEAT EXCHANGE IN GENERAL
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3710850
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Patent number 3,710,850
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Issue date Jan 16, 1973
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F28 - HEAT EXCHANGE IN GENERAL
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3688835
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Patent number 3,688,835
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Issue date Sep 5, 1972
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F28 - HEAT EXCHANGE IN GENERAL
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3622737
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Patent number 3,622,737
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Issue date Nov 23, 1971
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F28 - HEAT EXCHANGE IN GENERAL
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3435888
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Patent number 3,435,888
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Issue date Apr 1, 1969
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F28 - HEAT EXCHANGE IN GENERAL
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3391727
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Patent number 3,391,727
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Issue date Jul 9, 1968
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F28 - HEAT EXCHANGE IN GENERAL
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3270803
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Patent number 3,270,803
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Issue date Sep 6, 1966
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F28 - HEAT EXCHANGE IN GENERAL
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3216486
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Patent number 3,216,486
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Issue date Nov 9, 1965
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F28 - HEAT EXCHANGE IN GENERAL
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3192999
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Patent number 3,192,999
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Issue date Jul 6, 1965
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F28 - HEAT EXCHANGE IN GENERAL
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3189084
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Patent number 3,189,084
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Issue date Jun 15, 1965
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F28 - HEAT EXCHANGE IN GENERAL
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3187805
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Patent number 3,187,805
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Issue date Jun 8, 1965
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F28 - HEAT EXCHANGE IN GENERAL
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3155154
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Patent number 3,155,154
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Issue date Nov 3, 1964
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F28 - HEAT EXCHANGE IN GENERAL
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3122200
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Patent number 3,122,200
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Issue date Feb 25, 1964
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F28 - HEAT EXCHANGE IN GENERAL
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3108632
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Patent number 3,108,632
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Issue date Oct 29, 1963
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C21 - METALLURGY OF IRON
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3095036
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Patent number 3,095,036
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Issue date Jun 25, 1963
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F28 - HEAT EXCHANGE IN GENERAL