Patents by Inventor Michael D. Buckert

Michael D. Buckert 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).

  • Digital motor speed controller
    Patent number: 4415844
    Abstract: Control apparatus for a polyphase, brushless dc electric motor includes a programmed microprocessor which responds to signals indicative of rotor position and rotational speed to selectively energize the windings of the motor and effect a desired speed. The apparatus is compact, readily fabricated, and more reliable than hardwired control circuitry.
    Type: Grant
    Filed: February 9, 1981
    Date of Patent: November 15, 1983
    Assignee: Priam
    Inventors: Charles E. Mendenhall, Michael D. Buckert