Patents by Inventor Edwin D. Tenney

Edwin D. Tenney 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).

  • Cyclone separator with compact inlet
    Patent number: 6926749
    Abstract: A cyclone separator is provided with a compact inlet path, in which the inner and outer walls of the inlet path are curved, with the inner wall having a radius that is essentially the same as the radius of the cyclone body wall and with the outer wall wrapping around the cyclone body wall and merging with the cyclone body wall.
    Type: Grant
    Filed: June 27, 2003
    Date of Patent: August 9, 2005
    Assignee: Fisher-Klosterman
    Inventor: Edwin D. Tenney
  • Wear indicator for refractory linings
    Patent number: 6686752
    Abstract: A vessel, as for a cyclone separator, includes a continuous electrical conductor embedded in the wall of the vessel for sensing when the lining has eroded.
    Type: Grant
    Filed: June 19, 2002
    Date of Patent: February 3, 2004
    Assignee: Fisher-Klosterman, Inc.
    Inventors: William L. Heumann, Frank Elvin, Russell J. Lewis, Edwin D. Tenney, Joseph A. Urban, Mark T. Noppenberger, James F. Miller