Patents by Inventor Lon W. Fiedler

Lon W. Fiedler 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: 7284747
    Abstract: A plurality of pipe diffuser sections are arranged in a three to seven sided polygon, which allows a fluid to flow through distribution piping and the pipe sections and diffuse, through openings in the walls of the pipe diffuser sections, into a body of fluid contained in a tank.
    Type: Grant
    Filed: July 28, 2004
    Date of Patent: October 23, 2007
    Assignee: Toltz, King, Duvall, Anderson and Associates, Incorporated
    Inventors: Lon W. Fiedler, Brian P. Kelley, Emily J. Kraft
  • Patent number: 6508246
    Abstract: The present invention is a mechanical draft controller. The draft controller is comprised of a draft controller portion, a means for pivoting the controller portion, and a means for counterbalancing the controller portion. The draft controller portion has a surface that is movable in a generally arcuate path with respect to a central axis, a second surface extending between the first surface and the central axis, and two side surfaces extending between the first surface and the central axis. The side surfaces are spaced apart and have the second surface oriented between the side surfaces.
    Type: Grant
    Filed: November 17, 2000
    Date of Patent: January 21, 2003
    Inventor: Lon W. Fiedler