Patents by Inventor Kenneth Coleman

Kenneth Coleman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Circuit for controllably providing power from an AC source to a load
    Patent number: 4097769
    Abstract: A transformerless triac control circuit provides direct on/off control of loads including loads requiring a high current. An on/off decision is made twice each period of the source voltage, and the on/off decision results from the happening or the nonhappening of an event such as the detection of a conductive body.
    Type: Grant
    Filed: November 5, 1976
    Date of Patent: June 27, 1978
    Assignee: Electro Corporation
    Inventors: Michael A. Wilson, Fred J. Momparler, Kenneth Coleman