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FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04FPUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPES SIPHONS F04F9/00Diffusion pumps

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F04F9/08Control
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Patents Grantslast 30 patents

  • Information Patent Grant

    Diffusion pump to supply heat from a condenser to a heating element
    • Patent number 10,337,531
    • Issue date Jul 2, 2019
    • LEYBOLD GMBH
    • Hans-Werner Schweizer
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Apparatus and method for controlling pressure ratio in high vacuum...
    • Patent number 4,191,512
    • Issue date Mar 4, 1980
    • Varian Associates, Inc.
    • Charles D. O'Neal
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Generation of high vacuums
    • Patent number 4,172,477
    • Issue date Oct 30, 1979
    • Leybold-Heraeus GmbH & Co. KG
    • Gunter Reich
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3282330
    • Patent number 3,282,330
    • Issue date Nov 1, 1966
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3275221
    • Patent number 3,275,221
    • Issue date Sep 27, 1966
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3007624
    • Patent number 3,007,624
    • Issue date Nov 7, 1961
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2899127
    • Patent number 2,899,127
    • Issue date Aug 11, 1959
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2682364
    • Patent number 2,682,364
    • Issue date Jun 29, 1954
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2522969
    • Patent number 2,522,969
    • Issue date Sep 19, 1950
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2253159
    • Patent number 2,253,159
    • Issue date Aug 19, 1941
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    BI-DIRECTIONAL, WATER SEPARATING FLOW NOZZLE
    • Publication number 20190353185
    • Publication date Nov 21, 2019
    • Q.E.D. ENVIRONMENTAL SYSTEMS, INC.
    • John SCHAUPP
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DIFFUSION PUMP
    • Publication number 20170130738
    • Publication date May 11, 2017
    • Leybold GmbH
    • Hans-Werner Schweizer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ENERGY-SAVING PUMP AND CONTROL SYSTEM FOR THE PUMP
    • Publication number 20140199184
    • Publication date Jul 17, 2014
    • Joo-Hyuk Yim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Diffusion pumps
    • Publication number 20030210986
    • Publication date Nov 13, 2003
    • John Hutchinson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Methods and apparatus for controlling power in vapor jet vacuum pumps
    • Publication number 20030202874
    • Publication date Oct 30, 2003
    • Marsbed Hablanian
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...