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Dennis John Kohlhafer

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  • Ellicott City, MD, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electromagnetic opposing field actuators
    • Patent number 9,947,448
    • Issue date Apr 17, 2018
    • Active Signal Technologies, Inc.
    • Dennis John Kohlhafer
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electromagnetic opposing field actuators
    • Patent number 9,390,875
    • Issue date Jul 12, 2016
    • Active Signal Technologies, Inc.
    • Dennis John Kohlhafer
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTROMAGNETIC OPPOSING FIELD ACTUATORS
    • Publication number 20160293310
    • Publication date Oct 6, 2016
    • Active Signal Technologies, Inc.
    • Dennis John Kohlhafer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ELECTROMAGNETIC OPPOSING FIELD ACTUATORS
    • Publication number 20140354381
    • Publication date Dec 4, 2014
    • Dennis John Kohlhafer
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER