the membrane acting on the obturator through a lever

Industry

  • CPC
  • G05D16/0675
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pneumatic controlled slam shut valve

    • Patent number 9,027,581
    • Issue date May 12, 2015
    • Dresser, Inc.
    • David C. Butler
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2201894

    • Patent number 2,201,894
    • Issue date May 21, 1940
    • G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents