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Peter H. Birch

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  • East Sussex, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multistage roots vacuum pump having different tip radius and meshin...
    • Patent number 8,702,407
    • Issue date Apr 22, 2014
    • Edwards Limited
    • Nigel Paul Schofield
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump
    • Patent number 8,500,422
    • Issue date Aug 6, 2013
    • Edwards Limited
    • Stephen Dowdeswell
    • 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 pumps
    • Patent number 6,244,841
    • Issue date Jun 12, 2001
    • The BOC-Group, plc
    • Nigel Paul Schofield
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gas turbine engine
    • Patent number 5,836,739
    • Issue date Nov 17, 1998
    • Rolls-Royce plc
    • Shigenori Haramura
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Gas turbine engine driven auxiliary electric power unit with turbin...
    • Patent number 5,635,768
    • Issue date Jun 3, 1997
    • Aisin Seiki Kabushiki Kaisha
    • Peter H. Birch
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Gaseous fuel compression and control system for gas turbine engine
    • Patent number 5,606,853
    • Issue date Mar 4, 1997
    • Aisin Seiki Kabushiki Kaisha
    • Peter H. Birch
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    High reduction gear assembly with lubrication
    • Patent number 5,261,289
    • Issue date Nov 16, 1993
    • Aisin Seiki Kabushiki Kaisha
    • Peter H. Birch
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dynamoelectric machines
    • Patent number 5,220,233
    • Issue date Jun 15, 1993
    • Aisin Seiki Kabushiki Kaisha
    • Peter H. Birch
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Gas turbine cogeneration apparatus for the production of domestic h...
    • Patent number 5,148,670
    • Issue date Sep 22, 1992
    • Aisin Seiki Kabushiki Kaisha
    • Peter H. Birch
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Air cycle air conditioner for heating and cooling
    • Patent number 5,121,610
    • Issue date Jun 16, 1992
    • Aisin Seiki K.K.
    • Michael J. Atkinson
    • B60 - VEHICLES IN GENERAL