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James D. Wotherspoon

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  • Lincolnshire, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Exhaust gas mixing system
    • Patent number 8,881,712
    • Issue date Nov 11, 2014
    • Perkins Engines Company Limited
    • Eduardo O. De Almeida
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Device and method for retaining a valve bridge
    • Patent number 7,878,166
    • Issue date Feb 1, 2011
    • Perkins Engines Company Limited
    • James Dougall Wotherspoon
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Breathing for an internal combustion engine
    • Patent number 7,841,324
    • Issue date Nov 30, 2010
    • Caterpillar Inc.
    • Martin W. Dirker
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

  • Information Patent Application

    COOLANT DELIVERY MATRIX
    • Publication number 20140261257
    • Publication date Sep 18, 2014
    • Perkins Engines Company Limited
    • Andrew Morgan Williams
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    EXHAUST GAS MIXING SYSTEM
    • Publication number 20120090581
    • Publication date Apr 19, 2012
    • PERKINS ENGINES COMPANY LIMITED
    • Eduardo O. De Almeida
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    CAMSHAFT SPEED SENSOR TARGET
    • Publication number 20120024244
    • Publication date Feb 2, 2012
    • James D. Wotherspoon
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Push Rod Retainer, Rocker Arm and Method for Retaining Together a P...
    • Publication number 20110220051
    • Publication date Sep 15, 2011
    • PERKINS ENGINES COMPANY LIMITED
    • James D. Wotherspoon
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Breathing for an internal combustion engine
    • Publication number 20090145410
    • Publication date Jun 11, 2009
    • Perkins Engines Company Limited.
    • Martin W. Dirker
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Device and method for retaining a valve bridge
    • Publication number 20090139477
    • Publication date Jun 4, 2009
    • Caterpillar Inc.
    • James Dougall Wotherspoon
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES