TREA

David Alan Turrell

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  • West Sussex, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum pump comprising a relief valve and a method of assembly of t...
    • Patent number 12,031,542
    • Issue date Jul 9, 2024
    • Edwards Limited
    • Neil Turner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-stage vacuum booster pump coupling
    • Patent number 11,578,722
    • Issue date Feb 14, 2023
    • Edwards Limited
    • Neil Turner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Twin-shaft pumps with thermal breaks
    • Patent number 11,542,946
    • Issue date Jan 3, 2023
    • Edwards Limited
    • Neil Turner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Evacuation of a load lock enclosure
    • Patent number 7,914,265
    • Issue date Mar 29, 2011
    • Edwards Limited
    • Stuart Charles Coles
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Seal assemblies
    • Patent number 7,214,041
    • Issue date May 8, 2007
    • The BOC Group plc
    • Peter Hugh Birch
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump systems
    • Patent number 4,934,908
    • Issue date Jun 19, 1990
    • The BOC Group, PLC
    • David A. Turrell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    A VACUUM PUMP COMPRISING A RELIEF VALVE AND A METHOD OF ASSEMBLY OF...
    • Publication number 20220299035
    • Publication date Sep 22, 2022
    • Edwards Limited
    • Neil Turner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    NON-RETURN CHECK VALVE FOR VACUUM SYSTEM
    • Publication number 20220290767
    • Publication date Sep 15, 2022
    • Edwards Limited
    • David Alan Turrell
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    TWIN-SHAFT PUMPS
    • Publication number 20200124050
    • Publication date Apr 23, 2020
    • Edwards Limited
    • Neil Turner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTI-STAGE VACUUM BOOSTER PUMP COUPLING
    • Publication number 20190360487
    • Publication date Nov 28, 2019
    • Edwards Limited
    • Neil Turner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMPING SYSTEM
    • Publication number 20130071274
    • Publication date Mar 21, 2013
    • EDWARDS LIMITED
    • Michael Andrew Galtry
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Evacuation of a Load Lock Enclosure
    • Publication number 20080089793
    • Publication date Apr 17, 2008
    • Stuart Charles Coles
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Seal assemblies
    • Publication number 20060216186
    • Publication date Sep 28, 2006
    • Peter Hugh Birch
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...