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David John Goodwin

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  • Southgate, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum pump for differentially pumping multiple chambers
    • Patent number 8,757,987
    • Issue date Jun 24, 2014
    • Edwards Limited
    • Martin Nicholas Stuart
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump
    • Patent number 8,393,854
    • Issue date Mar 12, 2013
    • Edwards Limited
    • Ian David Stones
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump for differential pumping multiple chambers
    • Patent number 7,811,065
    • Issue date Oct 12, 2010
    • Edwards Limited
    • Martin Nicholas Stuart
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with multiple isolated inlet ports
    • Patent number 7,537,440
    • Issue date May 26, 2009
    • Edwards Limited
    • David John Goodwin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 6,916,162
    • Issue date Jul 12, 2005
    • The BOC Group plc
    • Nigel Paul Schofield
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pumps
    • Patent number 6,371,735
    • Issue date Apr 16, 2002
    • The BOC Group plc
    • David John Goodwin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    KINETIC ENERGY RECOVERY SYSTEM
    • Publication number 20160369807
    • Publication date Dec 22, 2016
    • EDWARDS LIMITED
    • NIGEL PAUL SCHOFIELD
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VEHICLE
    • Publication number 20160369806
    • Publication date Dec 22, 2016
    • EDWARDS LIMITED
    • NIGEL PAUL SCHOFIELD
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    VACUUM PUMP
    • Publication number 20110142686
    • Publication date Jun 16, 2011
    • MARTIN NICHOLAS STUART
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vacuum Pump
    • Publication number 20080166219
    • Publication date Jul 10, 2008
    • Martin Nicholas Stuart
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vacuum pump
    • Publication number 20070031263
    • Publication date Feb 8, 2007
    • Ian David Stones
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll compressor multipile isolated intel ports
    • Publication number 20060228244
    • Publication date Oct 12, 2006
    • David John Goodwin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll compressor
    • Publication number 20040166007
    • Publication date Aug 26, 2004
    • Nigel Paul Schofield
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...