using several membranes without spring

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  • CPC
  • G05D16/0652
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fluid pressure regulator

    • Patent number 11,339,883
    • Issue date May 24, 2022
    • Goodrich Corporation
    • Tomasz Murawski
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Pressure regulator

    • Patent number 9,835,266
    • Issue date Dec 5, 2017
    • EISENMANN SE
    • Hans-Peter Picht
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Fluidic components suitable for fuel cell systems including pressur...

    • Patent number 9,711,809
    • Issue date Jul 18, 2017
    • Intelligent Energy Limited
    • Andrew J. Curello
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Pressure regulating valve, fuel cell system using same, and hydroge...

    • Patent number 8,415,066
    • Issue date Apr 9, 2013
    • Seiko Instruments Inc.
    • Takafumi Sarata
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pressure regulating valve, fuel cell system using same, and hydroge...

    • Patent number 8,153,320
    • Issue date Apr 10, 2012
    • Seiko Instruments Inc.
    • Takafumi Sarata
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Flow control valve

    • Patent number 7,108,241
    • Issue date Sep 19, 2006
    • Asahi Organic Chemicals Industry Co., Ltd.
    • Kenro Yoshino
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ink cartridge for ink jet printer

    • Patent number 7,029,103
    • Issue date Apr 18, 2006
    • Seiko Epson Corporation
    • Yuji Iida
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ink cartridge for ink jet printer

    • Patent number 6,948,804
    • Issue date Sep 27, 2005
    • Seiko Epson Corporation
    • Yuji Iida
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ink cartridge for ink jet printer

    • Patent number 6,916,089
    • Issue date Jul 12, 2005
    • Seiko Epson Corporation
    • Yuji Iida
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pressure reducer for a fluid sampling device

    • Patent number 6,840,269
    • Issue date Jan 11, 2005
    • Taiwan Semiconductor Manufacturing Co., Ltd
    • Han-Chang Lee
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Ink cartridge for ink jet printer

    • Patent number 6,550,901
    • Issue date Apr 22, 2003
    • Seiko Epson Corporation
    • Yuji Iida
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ink cartridge for ink jet printer

    • Patent number 6,193,364
    • Issue date Feb 27, 2001
    • Seiko Epson Corporation
    • Yuji Iida
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ink cartridge for ink jet printer

    • Patent number 6,000,788
    • Issue date Dec 14, 1999
    • Seiko Epson Corporation
    • Yuji Iida
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Control valve

    • Patent number 4,208,031
    • Issue date Jun 17, 1980
    • Alfa-Laval AB
    • Vladimir Jonak
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Pressure control valve

    • Patent number 4,130,266
    • Issue date Dec 19, 1978
    • Robert Bosch GmbH
    • Johannes-Gerhard Bertling
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Fluid pressure control valve

    • Patent number 3,982,558
    • Issue date Sep 28, 1976
    • Paul Ochs
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    High temperature fluid pressure control valve

    • Patent number 3,982,559
    • Issue date Sep 28, 1976
    • Paul Ochs
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Method and device for controlling fluid pressure

    • Patent number 3,933,277
    • Issue date Jan 20, 1976
    • Berthoud, S.A.
    • Jean-Pierre Volat
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3628554

    • Patent number 3,628,554
    • Issue date Dec 21, 1971
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3540461

    • Patent number 3,540,461
    • Issue date Nov 17, 1970
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3485259

    • Patent number 3,485,259
    • Issue date Dec 23, 1969
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3442180

    • Patent number 3,442,180
    • Issue date May 6, 1969
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3425434

    • Patent number 3,425,434
    • Issue date Feb 4, 1969
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3386468

    • Patent number 3,386,468
    • Issue date Jun 4, 1968
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3366315

    • Patent number 3,366,315
    • Issue date Jan 30, 1968
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3336940

    • Patent number 3,336,940
    • Issue date Aug 22, 1967
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    3285222

    • Patent number 3,285,222
    • Issue date Nov 15, 1966
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3177895

    • Patent number 3,177,895
    • Issue date Apr 13, 1965
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3129563

    • Patent number 3,129,563
    • Issue date Apr 21, 1964
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3044488

    • Patent number 3,044,488
    • Issue date Jul 17, 1962
    • G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents