TREA

Weir Pumps Limited

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Organization

  • BOSTON, MA, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Pump assembly
    • Patent number 6,884,031
    • Issue date Apr 26, 2005
    • Weir Pumps Limited
    • Paul Geoffrey Gregory
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Downhole gas/water separation and re-injection
    • Patent number 6,691,781
    • Issue date Feb 17, 2004
    • Weir Pumps Limited
    • Alexander Angus Grant
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Downhole gas compression
    • Patent number 6,601,651
    • Issue date Aug 5, 2003
    • Weir Pumps Limited
    • Angus Grant
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multistage pumps and compressors
    • Patent number 5,755,554
    • Issue date May 26, 1998
    • Weir Pumps Limited
    • Michael Leslie Ryall
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multistage axial flow pumps and compressors
    • Patent number 5,562,405
    • Issue date Oct 8, 1996
    • Weir Pumps Limited
    • Michael L. Ryall
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump with seal cooling means
    • Patent number 5,088,891
    • Issue date Feb 18, 1992
    • Weir Pumps Ltd.
    • Robert W. Brown
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid machines
    • Patent number 4,143,999
    • Issue date Mar 13, 1979
    • Weir Pumps Limited
    • Michael L. Ryall
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Lubricated mechanical seals for pumps
    • Patent number 4,108,569
    • Issue date Aug 22, 1978
    • Weir Pumps Limited
    • Michael Leslie Ryall
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotodynamic fluid pumps
    • Patent number 3,976,391
    • Issue date Aug 24, 1976
    • Weir Pumps Limited
    • Forrest Thomson Randell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Pump assembly
    • Publication number 20030021681
    • Publication date Jan 30, 2003
    • WEIR PUMPS LIMITED
    • Paul Geoffrey Gregory
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Trademarklast 30 trademarks

  • Information Trademark

    77117193 - WEIR
    • Serial number 77117193
    • Registration number 3851979
    • Filing date Feb 27, 2007
    • Weir Pumps Limited
    • 7 - Machines and machine tools
  • Information Trademark

    77117232 - WEIR
    • Serial number 77117232
    • Registration number 4211917
    • Filing date Feb 27, 2007
    • Weir Pumps Limited
    • 7 - Machines and machine tools
  • Information Trademark

    76558578 - WEIRESIST
    • Serial number 76558578
    • Registration number 3031061
    • Filing date Nov 12, 2003
    • Weir Pumps Limited
    • 7 - Machines and machine tools
  • Information Trademark

    76458698 - WEIR ISOGATE
    • Serial number 76458698
    • Filing date Oct 8, 2002
    • Weir Pumps Limited
    • 7 - Machines and machine tools
  • Information Trademark

    76182976 - WEIR SLURRY GROUP
    • Serial number 76182976
    • Registration number 3078024
    • Filing date Dec 19, 2000
    • Weir Pumps Limited
    • 7 - Machines and machine tools
  • Information Trademark

    74192043 - WEIR
    • Serial number 74192043
    • Filing date Aug 6, 1991
    • WEIR PUMPS LIMITED
    • 7 - Machines and machine tools
  • Information Trademark

    73526598 - WEIR
    • Serial number 73526598
    • Registration number 1391364
    • Filing date Mar 13, 1985
    • WEIR PUMPS LIMITED
    • 7 - Machines and machine tools