TREA

Carl D. Schaaff

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  • Guelph, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Over-voltage protection circuit
    • Patent number 8,363,370
    • Issue date Jan 29, 2013
    • Research In Motion Limited
    • Andrew D. Shiner
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Over-voltage protection circuit
    • Patent number 8,072,724
    • Issue date Dec 6, 2011
    • Research In Motion Limited
    • Andrew D. Shiner
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Over-voltage protection circuit
    • Patent number 7,948,727
    • Issue date May 24, 2011
    • Research In Motion Limited
    • Andrew D. Shiner
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Over-voltage protection circuit
    • Patent number 7,035,070
    • Issue date Apr 25, 2006
    • Research In Motion Limited
    • Andrew D. Shiner
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power supply system for a packet-switched radio transmitter
    • Patent number 6,856,654
    • Issue date Feb 15, 2005
    • Research In Motion Limited
    • Steven Carkner
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Battery disconnect system
    • Patent number 6,271,605
    • Issue date Aug 7, 2001
    • Research In Motion Limited
    • Steven Carkner
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power supply system for a packet-switched radio transmitter
    • Patent number 6,104,759
    • Issue date Aug 15, 2000
    • Research In Motion Limited
    • Steve Carkner
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    OVER-VOLTAGE PROTECTION CIRCUIT
    • Publication number 20120039008
    • Publication date Feb 16, 2012
    • Research in Motion Limited
    • Andrew D. Shiner
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    OVER-VOLTAGE PROTECTION CIRCUIT
    • Publication number 20110148362
    • Publication date Jun 23, 2011
    • Research in Motion Limited
    • Andrew D. Shiner
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    OVER-VOLTAGE PROTECTION CIRCUIT
    • Publication number 20090213512
    • Publication date Aug 27, 2009
    • Research in Motion Limited
    • Andrew D. Shiner
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Over-voltage protection circuit
    • Publication number 20060152873
    • Publication date Jul 13, 2006
    • Andrew D. Shiner
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Over-voltage protection circuit
    • Publication number 20030076642
    • Publication date Apr 24, 2003
    • Andrew D. Shiner
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER