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Michael Henry North

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  • Reigate, GB
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Patents Grantslast 30 patents

  • 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

    Multi-stage vacuum booster pump rotor
    • Patent number 11,248,607
    • Issue date Feb 15, 2022
    • Edwards Limited
    • Michael Henry North
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump cooling systems
    • Patent number 11,098,718
    • Issue date Aug 24, 2021
    • Edwards Limited
    • Michael Henry North
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Screw pump having varying pitches
    • Patent number 8,827,669
    • Issue date Sep 9, 2014
    • Edwards Limited
    • Michael Henry North
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Cooling of pump rotors
    • Patent number 7,963,744
    • Issue date Jun 21, 2011
    • Edwards Limited
    • Michael Henry North
    • 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 6,672,855
    • Issue date Jan 6, 2004
    • The BOC Group plc
    • Michael Henry North
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw pump having a thermal shield
    • Patent number 6,537,049
    • Issue date Mar 25, 2003
    • The BOC-Group, plc
    • Nigel Paul Schofield
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw pumps
    • Patent number 6,217,305
    • Issue date Apr 17, 2001
    • The BOC Group plc
    • Nigel Paul Schofield
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vacuum pumps
    • Patent number 6,200,116
    • Issue date Mar 13, 2001
    • The BOC Group plc
    • Nigel Paul Schofield
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vacuum pumps
    • Patent number 6,129,534
    • Issue date Oct 10, 2000
    • The BOC Group plc
    • Nigel Paul Schofield
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    STATOR FOR A VACUUM PUMP
    • Publication number 20240218879
    • Publication date Jul 4, 2024
    • Edwards Limited
    • Michael Henry North
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    STATOR FOR A VACUUM PUMP
    • Publication number 20240218877
    • Publication date Jul 4, 2024
    • Edwards Limited
    • Michael Henry North
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP COOLING SYSTEMS
    • Publication number 20200240414
    • Publication date Jul 30, 2020
    • Edwards Limited
    • Michael Henry North
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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 ROTOR
    • Publication number 20190368487
    • Publication date Dec 5, 2019
    • Edwards Limited
    • Michael Henry North
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTI-STAGE VACUUM BOOSTER PUMP COUPLING
    • Publication number 20190368354
    • Publication date Dec 5, 2019
    • Edwards Limited
    • Michael Henry North
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Pump
    • Publication number 20100296958
    • Publication date Nov 25, 2010
    • Michael Henry North
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Cooling of Pump Rotors
    • Publication number 20080031761
    • Publication date Feb 7, 2008
    • Michael Henry North
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vacuum pump
    • Publication number 20060269424
    • Publication date Nov 30, 2006
    • Michael Henry North
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw pump
    • Publication number 20060153696
    • Publication date Jul 13, 2006
    • Kevin Michael Ransom
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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...
  • Information Patent Application

    Vacuum pumps
    • Publication number 20010041145
    • Publication date Nov 15, 2001
    • Michael Henry North
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vacuum pumps
    • Publication number 20010024620
    • Publication date Sep 27, 2001
    • Michael Henry North
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...