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Patents Grantslast 30 patents

  • Information Patent Grant

    Self-actuating drainage device and method of operation

    • Patent number 8,820,346
    • Issue date Sep 2, 2014
    • Thomas L. Corbett
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Float valve

    • Patent number 6,886,589
    • Issue date May 3, 2005
    • Autogrow Pty Ltd.
    • John Earnest Oretti
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Water pressure-assisted flush valve

    • Patent number 6,539,973
    • Issue date Apr 1, 2003
    • George S. Cole & Associates, Incorporated
    • Harry W. Edwards
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball cock assembly, float assembly for same, and method of controll...

    • Patent number 6,510,866
    • Issue date Jan 28, 2003
    • WDI International, Inc.
    • Feiyu Li
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pneumatic snap pilot

    • Patent number 6,497,246
    • Issue date Dec 24, 2002
    • Delaware Capital Formation, Inc.
    • Ivy J. Nicewarner
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Liquid level controller

    • Patent number 6,354,323
    • Issue date Mar 12, 2002
    • Anderson Controls LC
    • R. David Anderson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Liquid level controller

    • Patent number 6,240,955
    • Issue date Jun 5, 2001
    • Anderson Controls, LC
    • R. David Anderson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pinch tube tank level control valve with snap-action shutoff

    • Patent number 6,123,099
    • Issue date Sep 26, 2000
    • George S. Cole & Associates, Incorporated
    • Harry W. Edwards
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Liquid level controller

    • Patent number 5,992,448
    • Issue date Nov 30, 1999
    • R. David Anderson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Float controlled valve

    • Patent number 5,638,859
    • Issue date Jun 17, 1997
    • Flair-Pneumatic Products Corp.
    • Robert G. Thomson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Latch attachment preventing chronic leakage

    • Patent number 5,542,448
    • Issue date Aug 6, 1996
    • Raymond J. Campbell
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Storage tank shutoff valve

    • Patent number 5,472,012
    • Issue date Dec 5, 1995
    • Dover Corporation
    • Chester W. Wood
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Snap action toggle valve actuator assembly

    • Patent number 5,230,361
    • Issue date Jul 27, 1993
    • Spirax Sarco, Inc.
    • Thomas W. Carr
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Liquid level controller

    • Patent number 5,191,912
    • Issue date Mar 9, 1993
    • Roy L. McDaniel
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Float controlled valve

    • Patent number 5,080,126
    • Issue date Jan 14, 1992
    • R. P. Fedder Corporation
    • Edward F. De Rycke
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Overfill valve apparatus

    • Patent number 4,998,571
    • Issue date Mar 12, 1991
    • Barry M. Blue
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • 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

    Density compensating float

    • Patent number 4,635,480
    • Issue date Jan 13, 1987
    • Rochester Gauges, Inc.
    • Robert E. Hrncir
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Liquid level control apparatus and method

    • Patent number 4,543,973
    • Issue date Oct 1, 1985
    • Giong Ho
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Stop fill valve

    • Patent number 4,483,367
    • Issue date Nov 20, 1984
    • Rochester Gauges, Inc.
    • Herbert G. Ross
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Magnetically coupled positive acting level control

    • Patent number 4,436,109
    • Issue date Mar 13, 1984
    • Wesley L. Taylor
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Automatic fill-stop valve

    • Patent number 4,313,459
    • Issue date Feb 2, 1982
    • Gerald D. Mylander
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Pneumatic sewage ejector

    • Patent number 4,083,661
    • Issue date Apr 11, 1978
    • Clow Corporation
    • Alex L. McPherson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Automatic valving device

    • Patent number 3,993,090
    • Issue date Nov 23, 1976
    • Paul M. Hankison
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3746035

    • Patent number 3,746,035
    • Issue date Jul 17, 1973
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3670751

    • Patent number 3,670,751
    • Issue date Jun 20, 1972
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3656506

    • Patent number 3,656,506
    • Issue date Apr 18, 1972
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3506028

    • Patent number 3,506,028
    • Issue date Apr 14, 1970
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3477408

    • Patent number 3,477,408
    • Issue date Nov 11, 1969
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    3467135

    • Patent number 3,467,135
    • Issue date Sep 16, 1969
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    SELF-ACTUATING DRAINAGE DEVICE AND METHOD OF OPERATION

    • Publication number 20130220440
    • Publication date Aug 29, 2013
    • Thomas L. CORBETT
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Magnetic membrane system

    • Publication number 20040265150
    • Publication date Dec 30, 2004
    • The Regents of the University of California.
    • Michael W. McElfresh
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Application

    Float valve

    • Publication number 20040035466
    • Publication date Feb 26, 2004
    • John Earnest Oretti
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    PNEUMATIC SNAP PILOT

    • Publication number 20020179146
    • Publication date Dec 5, 2002
    • Ivy J. Nicewarner
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Ball cock assembly, float assembly for same, and method of controll...

    • Publication number 20020134432
    • Publication date Sep 26, 2002
    • Feiyu Li
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...