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  • CPC
  • F04D9/046
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04DNON-POSITIVE DISPLACEMENT PUMPS F04D9/00Priming Preventing vapour lock

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F04D9/046the means being floats
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Patents Grantslast 30 patents

  • Information Patent Grant

    Debris trap for capturing debris flowing in a stream of liquid and...
    • Patent number 11,649,835
    • Issue date May 16, 2023
    • SULZER MANAGEMENT AG
    • Kai Haime
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Self-priming centrifugal pump
    • Patent number 6,783,330
    • Issue date Aug 31, 2004
    • Pioneer Pump, Inc.
    • William M. Carnes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum-assisted pump
    • Patent number 6,616,427
    • Issue date Sep 9, 2003
    • Roper Holdings, Inc.
    • William B. Carnes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum-assisted pump
    • Patent number 6,575,706
    • Issue date Jun 10, 2003
    • Roper Holdings, Inc.
    • William B. Carnes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum-assisted pump
    • Patent number 6,409,478
    • Issue date Jun 25, 2002
    • Roper Holdings, Inc.
    • William B. Carnes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid pump with degasser and integrated vapor recovery option
    • Patent number 5,785,501
    • Issue date Jul 28, 1998
    • Andre Sylvere Joseph Van Coillie
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Well point system and apparatus
    • Patent number 4,606,704
    • Issue date Aug 19, 1986
    • Albert H. Sloan
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Well point system and apparatus
    • Patent number 4,515,517
    • Issue date May 7, 1985
    • Albert H. Sloan
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3446398
    • Patent number 3,446,398
    • Issue date May 27, 1969
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2757616
    • Patent number 2,757,616
    • Issue date Aug 7, 1956
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2730955
    • Patent number 2,730,955
    • Issue date Jan 17, 1956
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2675762
    • Patent number 2,675,762
    • Issue date Apr 20, 1954
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2472648
    • Patent number 2,472,648
    • Issue date Jun 7, 1949
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2464144
    • Patent number 2,464,144
    • Issue date Mar 8, 1949
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2384172
    • Patent number 2,384,172
    • Issue date Sep 4, 1945
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2150125
    • Patent number 2,150,125
    • Issue date Mar 7, 1939
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2144613
    • Patent number 2,144,613
    • Issue date Jan 24, 1939
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2071703
    • Patent number 2,071,703
    • Issue date Feb 23, 1937
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2033980
    • Patent number 2,033,980
    • Issue date Mar 17, 1936
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1995812
    • Patent number 1,995,812
    • Issue date Mar 26, 1935
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1971441
    • Patent number 1,971,441
    • Issue date Aug 28, 1934
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1682331
    • Patent number 1,682,331
    • Issue date Aug 28, 1928
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1573931
    • Patent number 1,573,931
    • Issue date Feb 23, 1926
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1562561
    • Patent number 1,562,561
    • Issue date Nov 24, 1925
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1488449
    • Patent number 1,488,449
    • Issue date Mar 25, 1924
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    DEBRIS TRAP FOR CAPTURING DEBRIS FLOWING IN A STREAM OF LIQUID AND...
    • Publication number 20220333616
    • Publication date Oct 20, 2022
    • SULZER MANAGEMENT AG
    • Kai HAIME
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Self-priming centrifugal pump
    • Publication number 20030039555
    • Publication date Feb 27, 2003
    • Pioneer Pump Inc.
    • William M. Carnes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vacuum-assisted pump
    • Publication number 20020168270
    • Publication date Nov 14, 2002
    • Roper Holdings, Inc.
    • William B. Carnes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vacuum-assisted pump
    • Publication number 20020114707
    • Publication date Aug 22, 2002
    • Roper Holdings, Inc.
    • William B. Carnes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...