Plural valves biased closed

Patents Grantslast 30 patents

  • Information Patent Grant

    Stacked disk check valve

    • Patent number 10,247,318
    • Issue date Apr 2, 2019
    • The Boeing Company
    • Christopher C. Veto
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Stacked disk check valve

    • Patent number 10,184,579
    • Issue date Jan 22, 2019
    • The Boeing Company
    • Christopher C. Veto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Remotely-actuated dual-pressure relief valve

    • Patent number 9,410,633
    • Issue date Aug 9, 2016
    • Industrias Marrucci Ltda.
    • Adelmo Marrucci
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Three-way solenoid valve

    • Patent number 9,404,600
    • Issue date Aug 2, 2016
    • Fujikoki Corporation
    • Hiroshi Kainuma
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Differential pressure valve with parallel biasing springs and metho...

    • Patent number 9,297,373
    • Issue date Mar 29, 2016
    • Nuovo Pignone S.p.A.
    • Riccardo Bagagli
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multifunctional safety valve device with incorporated proportional...

    • Patent number 8,550,112
    • Issue date Oct 8, 2013
    • Bertelli & Partners S.R.L.
    • Pierluigi Bertelli
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Demand valve for gas mixing

    • Patent number 8,443,826
    • Issue date May 21, 2013
    • Concept 2 Manufacture Design OCD Ltd.
    • Andrew Tatarek
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Drainage system for treating hydrocephalus

    • Patent number 8,177,737
    • Issue date May 15, 2012
    • Sophysa
    • Philippe Negre
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Hydraulic metering device

    • Patent number 7,600,984
    • Issue date Oct 13, 2009
    • Oil-Rite Corporation
    • Donald G. Gruett
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    One-way fluid valve

    • Patent number 7,506,662
    • Issue date Mar 24, 2009
    • Walter Tuymer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid control valve

    • Patent number 7,118,088
    • Issue date Oct 10, 2006
    • TGK Co., Ltd.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Hydraulic metering device

    • Patent number 7,118,352
    • Issue date Oct 10, 2006
    • Oil-Rite Corporation
    • Donald G. Gruett
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Surge prevention device

    • Patent number 6,901,962
    • Issue date Jun 7, 2005
    • Allied Healthcare Products, Inc.
    • Kevin D. Kroupa
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Surge prevention device

    • Patent number 6,622,743
    • Issue date Sep 23, 2003
    • Allied Healthcare Products, Inc.
    • Gabriel S. Kohn
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Buckling pin actuated, pilot operated pressure relief valve

    • Patent number 6,325,088
    • Issue date Dec 4, 2001
    • Gary W. Scantlin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Nonsurgical intraurethral bladder control device

    • Patent number 6,237,623
    • Issue date May 29, 2001
    • HK Medical Technologies Incorporated
    • Andre A. Kulisz
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Nonsurgical intraurethral bladder control device

    • Patent number 5,722,932
    • Issue date Mar 3, 1998
    • HK Medical Technologies Incorporated
    • Andre A. Kulisz
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Nonsurgical intraurethral bladder control device

    • Patent number 5,512,032
    • Issue date Apr 30, 1996
    • HK Medical Technologies, Inc.
    • Andre A. Kulisz
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Vehicle emission air injection

    • Patent number 5,491,976
    • Issue date Feb 20, 1996
    • General Motors Corporation
    • Jeffrey A. Rock
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Nonsurgical intraurethral bladder control device

    • Patent number 5,437,604
    • Issue date Aug 1, 1995
    • HK Medical Technologies, Incorporated
    • Andre A. Kulisz
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Fluid pressure relief system for pressure vessels

    • Patent number 5,333,635
    • Issue date Aug 2, 1994
    • Keystone International Holdings Corp.
    • Thomas F. Higgins
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Combination valve

    • Patent number 5,301,504
    • Issue date Apr 12, 1994
    • Robert Bosch GmbH
    • Johannes-Gerhard Bertling
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Fluid pressure relief system for pressure vessels

    • Patent number 5,282,491
    • Issue date Feb 1, 1994
    • Keystone International Holdings Corp.
    • Thomas F. Higgins
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid pressure relief system for pressure vessels

    • Patent number 5,249,593
    • Issue date Oct 5, 1993
    • Keystone International Holdings Corp.
    • Thomas F. Higgins
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid pressure relief system for pressure vessels

    • Patent number 5,246,034
    • Issue date Sep 21, 1993
    • Keystone International Holdings Corp.
    • Thomas F. Higgins
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Automatic shut-off valve

    • Patent number 4,889,154
    • Issue date Dec 26, 1989
    • Peretz Rosenberg
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multiple port relief valve

    • Patent number 4,699,171
    • Issue date Oct 13, 1987
    • Sundstrand Corporation
    • Kenneth B. Sugden
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve device for controlling liquid flow

    • Patent number 4,648,421
    • Issue date Mar 10, 1987
    • Liquipak International B.V.
    • Nigel A. Chant
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Check valve and water injection systems and fuel systems utilizing...

    • Patent number 4,630,642
    • Issue date Dec 23, 1986
    • Tom McGuane Industries, Inc.
    • Charles A. Detweiler
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel injection nozzle for internal combustion engines

    • Patent number 4,566,635
    • Issue date Jan 28, 1986
    • Robert Bosch GmbH
    • Dietrich Trachte
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    DIFFERENTIAL PRESSURE VALVE WITH PARALLEL BIASING SPRINGS AND METHO...

    • Publication number 20140014190
    • Publication date Jan 16, 2014
    • Riccardo Bagagli
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Shutoff Valve Integrated into a Pressure Regulator

    • Publication number 20120085445
    • Publication date Apr 12, 2012
    • LUXEMBOURG PATENT COMPANY S.A.
    • Claude Risse
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    MULTIFUNCTIONAL SAFETY VALVE DEVICE WITH INCORPORATED PROPORTIONAL...

    • Publication number 20100300553
    • Publication date Dec 2, 2010
    • BERTELLI & PARTNERS S.R.L.
    • Pierluigi Bertelli
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    DEMAND VALVE FOR GAS MIXING

    • Publication number 20100236635
    • Publication date Sep 23, 2010
    • CONCEPT 2 MANUFACTURE DESIGN OCD LTD
    • Andrew Tatarek
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    A DRAINAGE SYSTEM FOR TREATING HYDROCEPHALUS

    • Publication number 20100056980
    • Publication date Mar 4, 2010
    • SOPHYSA
    • Philippe Negre
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    One-way fluid valve

    • Publication number 20070074768
    • Publication date Apr 5, 2007
    • Walter Tuymer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hydraulic metering device

    • Publication number 20070014679
    • Publication date Jan 18, 2007
    • Oil-Rite Corporation
    • Donald G. Gruett
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    Fluid control valve

    • Publication number 20050224740
    • Publication date Oct 13, 2005
    • TGK CO., LTD.
    • Hisatoshi Hirota
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Hydraulic metering device

    • Publication number 20050056320
    • Publication date Mar 17, 2005
    • Oil-Rite Corporation
    • Donald G. Gruett
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    Surge prevention device

    • Publication number 20020056479
    • Publication date May 16, 2002
    • Kevin D. Kroupe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...