using float device

Industry

  • CPC
  • F16N2270/14
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Patents Grantslast 30 patents

  • Information Patent Grant

    Autofill shutoff valve

    • Patent number 10,781,971
    • Issue date Sep 22, 2020
    • Graco Minnesota Inc.
    • John C. Holman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vent valve

    • Patent number 10,774,988
    • Issue date Sep 15, 2020
    • Graco Minnesota Inc.
    • John C. Holman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Centerfill of lubricant reservoir

    • Patent number 10,731,791
    • Issue date Aug 4, 2020
    • Graco Minnesota Inc.
    • John C. Holman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Oil level control apparatus

    • Patent number 5,911,289
    • Issue date Jun 15, 1999
    • Clive Gregory Waller
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Constant depth reservoir

    • Patent number 5,197,569
    • Issue date Mar 30, 1993
    • Trico Mfg. Corp.
    • David A. Roessler
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3621670

    • Patent number 3,621,670
    • Issue date Nov 23, 1971
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    2792912

    • Patent number 2,792,912
    • Issue date May 21, 1957
    • G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents