Patents by Inventor James M. Stauffer

James M. Stauffer 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).

  • Rotary filter apparatus having slurry agitator
    Patent number: 4025437
    Abstract: A rotary filter apparatus includes a tank for containing a slurry to be filtered. A rotary drum is mounted for rotation about a horizontal axis. The drum has a filter surface which extends into the slurry, so that the filtrate may be withdrawn from the interior of the drum. An agitator in the bottom of the tank includes a vane mounted below the drum for rotation about a horizontal axis. The vane is driven to reciprocate through a driven angle about its rotational axis.
    Type: Grant
    Filed: November 29, 1975
    Date of Patent: May 24, 1977
    Assignee: Technical Fabricators, Inc.
    Inventors: Harry Ball, James M. Stauffer