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Locked backwater valve
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Patent number 11,214,953
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Issue date Jan 4, 2022
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Gabe Coscarella
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E03 - WATER SUPPLY SEWERAGE
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Ejector valve with glands
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Patent number 8,307,847
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Issue date Nov 13, 2012
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Enviro Valve, Inc.
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Donald Keith Fritts
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Hydraulic safety valve
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Patent number 5,289,843
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Issue date Mar 1, 1994
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Roger R. Smith
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Hydraulic valve
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Patent number 5,238,020
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Issue date Aug 24, 1993
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ASEA Brown Boveri Ltd.
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Heinz Frey
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Gas shut-off valve
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Patent number 4,469,124
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Issue date Sep 4, 1984
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Michigan Consolidated Gas Company
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Robert J. Bronsky
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Pressure protection system
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Patent number 4,461,315
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Issue date Jul 24, 1984
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J. I. Case Company
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Dean W. May
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B60 - VEHICLES IN GENERAL
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Hose-break valve
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Patent number 4,413,643
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Issue date Nov 8, 1983
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Regioninvest i Norr AB
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Thore K. E. Wiklund
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Pressure responsive, manually opening valve
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Patent number 4,343,327
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Issue date Aug 10, 1982
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The United States of America as represented by the Secretary of the Navy
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Robert R. Hallstein
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Pilot valve
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Patent number 4,173,233
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Issue date Nov 6, 1979
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U.S. Industries, Inc.
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David E. Snyder
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Deflation device
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Patent number 4,151,863
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Issue date May 1, 1979
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Dunlop Limited
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John A. Stevens
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B60 - VEHICLES IN GENERAL
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Valve assembly
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Patent number 4,085,772
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Issue date Apr 25, 1978
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Harry Roger
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Hydraulic safety valve
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Patent number 4,080,987
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Issue date Mar 28, 1978
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Gerber Products Company
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Daniel A. Fogg
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Hydraulic runaway control valve
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Patent number 3,971,404
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Issue date Jul 27, 1976
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Graco Inc.
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Vernon Kenneth Quarve
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3848629
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Issue date Nov 19, 1974
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E21 - EARTH DRILLING MINING
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3661173
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Issue date May 9, 1972
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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Issue date Nov 9, 1971
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G05 - CONTROLLING REGULATING
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3481362
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Patent number 3,481,362
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Issue date Dec 2, 1969
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E21 - EARTH DRILLING MINING
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3452777
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Patent number 3,452,777
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Issue date Jul 1, 1969
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E21 - EARTH DRILLING MINING
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Issue date Aug 24, 1965
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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Patent number 3,173,441
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Issue date Mar 16, 1965
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3161399
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3038557
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2962044
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Patent number 2,962,044
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Issue date Nov 29, 1960
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...