Patents by Inventor Duane Plessinger

Duane Plessinger 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).

  • Patent number: 6869354
    Abstract: A damper box for an orifice air injector, the damper box comprising front and rear faces with respective front and rear openings therein, a pair of sides, a top and a bottom; and a pair of gates pivotally mounted within the damper box and actuatable between open and closed positions.
    Type: Grant
    Filed: December 2, 2002
    Date of Patent: March 22, 2005
    Assignee: General Electric Company
    Inventors: William T. Lipinski, Peter V. Centore, George M. Gorring, James J. Jennings, Robert Waltz, Thomas A. Laursen, Chris E. Latham, Duane Plessinger, Don Morrison, David O'Connor
  • Publication number: 20040106077
    Abstract: A damper box for an orifice air injector, the damper box comprising front and rear faces with respective front and rear openings therein, a pair of sides, a top and a bottom; and a pair of gates pivotally mounted within the damper box and actuatable between open and closed positions.
    Type: Application
    Filed: December 2, 2002
    Publication date: June 3, 2004
    Inventors: William T. Lipinski, Peter V. Centore, George M. Gorring, James J. Jennings, Robert Waltz, Thomas A. Laursen, Chris E. Latham, Duane Plessinger, Donald K. Morrison, David R. O'Connor