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David Thomas Summerland

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  • Leicester, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Power adaptors
    • Patent number 9,888,533
    • Issue date Feb 6, 2018
    • David Thomas Summerland
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power adaptors
    • Patent number 9,124,193
    • Issue date Sep 1, 2015
    • HoldIP Limited
    • David Thomas Summerland
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Lighting systems
    • Patent number 8,242,711
    • Issue date Aug 14, 2012
    • Hold IP Limited
    • David Thomas Summerland
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Lighting system power adaptor
    • Patent number 8,013,537
    • Issue date Sep 6, 2011
    • Hold IP Limited
    • David Thomas Summerland
    • F21 - LIGHTING
  • Information Patent Grant

    Stepper motor controller
    • Patent number 6,060,857
    • Issue date May 9, 2000
    • Mad Lighting Limited
    • David Thomas Summerland
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Low-torque, interchangeable-rotor electric motor
    • Patent number 5,739,604
    • Issue date Apr 14, 1998
    • Mad Lighting Limited
    • David Thomas Summerland
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    IMPROVEMENTS RELATING TO POWER ADAPTORS
    • Publication number 20160126860
    • Publication date May 5, 2016
    • LED LIGHTING CONSULTANTS LIMITED
    • DAVID SUMMERLAND
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Relating to Power Adaptors
    • Publication number 20150341996
    • Publication date Nov 26, 2015
    • HOLDIP Limited
    • David Thomas Summerland
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Improvements relating rectifier circuits
    • Publication number 20130154492
    • Publication date Jun 20, 2013
    • HOLDIP Limited
    • David Summerland
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Lighting Systems
    • Publication number 20130057168
    • Publication date Mar 7, 2013
    • HOLDIP Limited
    • David Thomas Summerland
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Power adaptors
    • Publication number 20110254461
    • Publication date Oct 20, 2011
    • HOLDIP Limited
    • David Summerland
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    LIGHTING SYSTEMS
    • Publication number 20100141169
    • Publication date Jun 10, 2010
    • HOLDIP Limited
    • David Thomas Summerland
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    IMPROVEMENT TO LIGHTING SYSTEMS
    • Publication number 20090085494
    • Publication date Apr 2, 2009
    • E-Light Limited
    • David Thomas Summerland
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Lighting System Power Adaptor
    • Publication number 20080094423
    • Publication date Apr 24, 2008
    • E Light Limited
    • David Thomas Summerland
    • F21 - LIGHTING
  • Information Patent Application

    Lighting system and controller
    • Publication number 20070247089
    • Publication date Oct 25, 2007
    • E Light Limited
    • David Thomas Summerland
    • G05 - CONTROLLING REGULATING