Patents by Inventor Michael W. Sinden

Michael W. Sinden 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).

  • Multi relay selection control circuit power limiter
    Patent number: 4796152
    Abstract: An electrical relay control circuit for a plurality of controlled devices such as electric motors in which the current for actuation of the relays is regulated so that only a predetermined and precise amount of current will be available for operation of the relay coils and that current will be sufficient for actuation of only one relay thereby restricting operation to one controlled device at any one time.
    Type: Grant
    Filed: January 19, 1988
    Date of Patent: January 3, 1989
    Assignee: VonWeise Gear Company
    Inventors: Michael W. Sinden, Alexander Muller