Ball valves

Patents Grantslast 30 patents

  • Information Patent Grant

    Pressureless irrigation device

    • Patent number 10,154,629
    • Issue date Dec 18, 2018
    • FARMLAND IRRIGATION RESEARCH INSTITUTE, CHINESE ACADEMY OF AGRICULTURAL SCIENCES
    • Shengguo Gao
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Dehumidifier and float assembly thereof

    • Patent number 9,587,851
    • Issue date Mar 7, 2017
    • TCL Air Conditioner (Zhongshan) Co., Ltd
    • Xiongfeng Wu
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Toner image reproduction machine including a ball valve device havi...

    • Patent number 7,813,678
    • Issue date Oct 12, 2010
    • Xerox Corporation
    • William H Wayman
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Retractable float for a ballcock valve

    • Patent number 7,559,337
    • Issue date Jul 14, 2009
    • Fluidmaster, Inc.
    • Joseph Han
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Propane overflow protection valve

    • Patent number 6,810,905
    • Issue date Nov 2, 2004
    • Raall Corp.
    • Virgil Allen Watson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Water heater fail safe apparatus

    • Patent number 6,543,471
    • Issue date Apr 8, 2003
    • James H. Carroll
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Float valve

    • Patent number 6,450,196
    • Issue date Sep 17, 2002
    • GAAP Gas Controls LLC
    • Josef A. Bartos
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Domestic hot water service inlet shut off valve triggered by fluid...

    • Patent number 6,336,469
    • Issue date Jan 8, 2002
    • Adrian John Nixon
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Device for draining of oil in a component of a vehicle

    • Patent number 6,314,989
    • Issue date Nov 13, 2001
    • ZF Friedrichshafen AG
    • Walter Fritz
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    High reliability and efficiency valve with large flow capacity

    • Patent number 6,109,295
    • Issue date Aug 29, 2000
    • Elisseo Santana
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Constant fuel-pump-inlet pressure system

    • Patent number 6,029,629
    • Issue date Feb 29, 2000
    • Federal-Mogul World Wide
    • Larry J. Tipton
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Liquid forced-feed apparatus having a working fluid dispersing device

    • Patent number 6,015,267
    • Issue date Jan 18, 2000
    • TLV Co., Ltd.
    • Hideaki Yumoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Apparatus and method for supplying liquid to a tree stand

    • Patent number 5,937,574
    • Issue date Aug 17, 1999
    • David R. Jacques
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Container having fluid-weight control device

    • Patent number 5,887,609
    • Issue date Mar 30, 1999
    • Owen L. Garretson
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Toilet valve assembly

    • Patent number 5,878,775
    • Issue date Mar 9, 1999
    • Louis Tamburro
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Check valve and trap assembly

    • Patent number 5,797,426
    • Issue date Aug 25, 1998
    • Edwin O. Powell
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Drop head structure

    • Patent number 5,662,138
    • Issue date Sep 2, 1997
    • Wen-Hsing Wang
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Fluid level control device and method

    • Patent number 5,655,232
    • Issue date Aug 12, 1997
    • James K. Buckwalter
    • E04 - BUILDING
  • Information Patent Grant

    Tank-filling shut-off valve

    • Patent number 5,645,105
    • Issue date Jul 8, 1997
    • Aquion Partners Limited Partnership
    • John R. Grayson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Boosted differential pressure-type tank valve

    • Patent number 5,150,732
    • Issue date Sep 29, 1992
    • Bruce A. Antunez
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Quantitative liquid level controlling device

    • Patent number 5,067,517
    • Issue date Nov 26, 1991
    • Liu Ting-Chih
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Toilet tank valve

    • Patent number 5,035,257
    • Issue date Jul 30, 1991
    • Coast Foundry & Manufacturing Co., Inc.
    • Bruce A. Antunez
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve improvements

    • Patent number 4,901,754
    • Issue date Feb 20, 1990
    • Anthony Industries, Inc.
    • Chester A. Sable
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Liquid level control for a cryogenic fluid

    • Patent number 4,873,832
    • Issue date Oct 17, 1989
    • NCR Corporation
    • Warren W. Porter
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Receptacle for extinguishing a burning liquid fuel by isolation

    • Patent number 4,860,832
    • Issue date Aug 29, 1989
    • Commissariat a l'Energie Atomique
    • Claude Levillain
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Flushing means

    • Patent number 4,842,011
    • Issue date Jun 27, 1989
    • Harp; Elwyn V.
    • Vernon D. Roosa
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Float operated valve

    • Patent number 4,655,244
    • Issue date Apr 7, 1987
    • Soo H. Park
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fill control valve

    • Patent number 4,637,426
    • Issue date Jan 20, 1987
    • Ronald J. Lyon
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Air vent

    • Patent number 4,635,672
    • Issue date Jan 13, 1987
    • ITT Corporation
    • Sol Baker
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Buoyant blood stop valve

    • Patent number 4,606,365
    • Issue date Aug 19, 1986
    • George G. Siposs
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents