Patents by Inventor Theodore F. Nash

Theodore F. Nash 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).

  • Feed rate controller for thickness sanding machine
    Patent number: 5720648
    Abstract: A drum sanding machine having a vertically-adjustable sanding drum mounted over a conveyor, where the sanding drum is direct-coupled to an AC drive motor. The conveyor includes an endless loop belt connected to a variable speed DC motor, and a feedback circuit is connected to monitor the AC drive motor current and to develop a feedback signal to slow the DC motor when the AC motor drive current exceeds a predetermined value.
    Type: Grant
    Filed: August 3, 1995
    Date of Patent: February 24, 1998
    Inventors: Gary L. Green, Peter Pemrick, Theodore F. Nash