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Normally open purge valve
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Patent number 6,170,511
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Issue date Jan 9, 2001
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Westinghouse Air Brake Company
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Robert G. Bostedo
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B60 - VEHICLES IN GENERAL
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Purge valve
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Patent number 6,164,312
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Issue date Dec 26, 2000
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Westinghouse Air Brake Company
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Robert G. Bostedo
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B60 - VEHICLES IN GENERAL
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Two-piece check valve assembly
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Patent number 5,669,412
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Issue date Sep 23, 1997
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Westinghouse Air Brake Company
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Daniel G. Scott
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Low stress conical type diaphragm
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Patent number 5,437,219
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Issue date Aug 1, 1995
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Westinghouse Air Brake Company
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Daniel G. Scott
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Conical diaphragm and method of making
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Patent number 5,220,863
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Issue date Jun 22, 1993
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Westinghouse Air Brake Company
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Daniel G. Scott
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Hose coupling gasket
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Patent number 5,131,667
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Issue date Jul 21, 1992
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Westinghouse Air Brake Company
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William K. Mong
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Hose coupling
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Patent number 4,215,881
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Issue date Aug 5, 1980
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Westinghouse Air Brake Company
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Daniel G. Scott
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B60 - VEHICLES IN GENERAL
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Hose coupling
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Patent number 4,133,561
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Issue date Jan 9, 1979
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Westinghouse Air Brake Company
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John G. Cannon
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B60 - VEHICLES IN GENERAL
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Lockable hose coupling
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Patent number 4,125,279
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Issue date Nov 14, 1978
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Westinghouse Air Brake Company
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Daniel G. Scott
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B60 - VEHICLES IN GENERAL