Fluid counter-biased or unseated valve

Patents Grantslast 30 patents

  • Information Patent Grant

    Locked backwater valve

    • Patent number 11,214,953
    • Issue date Jan 4, 2022
    • Gabe Coscarella
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Pneumatic valve with emergency stop button

    • Patent number 9,618,133
    • Issue date Apr 11, 2017
    • Ross Operating Valve Company
    • Dennis L. Mortenson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Ejector valve with glands

    • Patent number 8,307,847
    • Issue date Nov 13, 2012
    • Enviro Valve, Inc.
    • Donald Keith Fritts
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Interruption valve with automatic reset

    • Patent number 7,216,668
    • Issue date May 15, 2007
    • Thomas A. Adams
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Water fountain attachment for a faucet

    • Patent number 7,090,144
    • Issue date Aug 15, 2006
    • Lloyd A. Gross
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Safety contrivance for gas-using device

    • Patent number 6,789,566
    • Issue date Sep 14, 2004
    • Friedrich Welcker
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Method and apparatus for safely controlling fluid flow

    • Patent number 5,860,446
    • Issue date Jan 19, 1999
    • Climax Portable Machine Tools, Inc.
    • Christopher C. Hunt
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic safety valve

    • Patent number 5,289,843
    • Issue date Mar 1, 1994
    • Roger R. Smith
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic valve

    • Patent number 5,238,020
    • Issue date Aug 24, 1993
    • ASEA Brown Boveri Ltd.
    • Heinz Frey
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gas shut-off valve

    • Patent number 4,469,124
    • Issue date Sep 4, 1984
    • Michigan Consolidated Gas Company
    • Robert J. Bronsky
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pressure protection system

    • Patent number 4,461,315
    • Issue date Jul 24, 1984
    • J. I. Case Company
    • Dean W. May
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Continuity actuated isolation valve assembly

    • Patent number 4,446,890
    • Issue date May 8, 1984
    • Lockheed Corporation
    • William E. Simpson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hose-break valve

    • Patent number 4,413,643
    • Issue date Nov 8, 1983
    • Regioninvest i Norr AB
    • Thore K. E. Wiklund
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Velocity operated standing valve

    • Patent number 4,352,366
    • Issue date Oct 5, 1982
    • Otis Engineering Corporation
    • Ernest P. Fisher
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pressure responsive, manually opening valve

    • Patent number 4,343,327
    • Issue date Aug 10, 1982
    • The United States of America as represented by the Secretary of the Navy
    • Robert R. Hallstein
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pilot valve

    • Patent number 4,173,233
    • Issue date Nov 6, 1979
    • U.S. Industries, Inc.
    • David E. Snyder
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Deflation device

    • Patent number 4,151,863
    • Issue date May 1, 1979
    • Dunlop Limited
    • John A. Stevens
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Valve assembly

    • Patent number 4,085,772
    • Issue date Apr 25, 1978
    • Harry Roger
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic safety valve

    • Patent number 4,080,987
    • Issue date Mar 28, 1978
    • Gerber Products Company
    • Daniel A. Fogg
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic runaway control valve

    • Patent number 3,971,404
    • Issue date Jul 27, 1976
    • Graco Inc.
    • Vernon Kenneth Quarve
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3848629

    • Patent number 3,848,629
    • Issue date Nov 19, 1974
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3661173

    • Patent number 3,661,173
    • Issue date May 9, 1972
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    3618689

    • Patent number 3,618,689
    • Issue date Nov 9, 1971
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3481362

    • Patent number 3,481,362
    • Issue date Dec 2, 1969
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3452777

    • Patent number 3,452,777
    • Issue date Jul 1, 1969
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3202176

    • Patent number 3,202,176
    • Issue date Aug 24, 1965
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    3173441

    • Patent number 3,173,441
    • Issue date Mar 16, 1965
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3161399

    • Patent number 3,161,399
    • Issue date Dec 15, 1964
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3038557

    • Patent number 3,038,557
    • Issue date Jun 12, 1962
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2962044

    • Patent number 2,962,044
    • Issue date Nov 29, 1960
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Ejector Valve With Glands

    • Publication number 20110240133
    • Publication date Oct 6, 2011
    • Donald Keith Fritts
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Water fountain attachment for a faucet

    • Publication number 20050098650
    • Publication date May 12, 2005
    • Lloyd A. Gross
    • E03 - WATER SUPPLY SEWERAGE