Patents by Inventor Wes J. Gunderson

Wes J. Gunderson 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).

  • Iron and hydrogen sulfide removal apparatus
    Patent number: 7351330
    Abstract: An automated system controls operation of a filtration system. The filtration system includes an aeration tank and a filtration tank. The system includes a pressure sensor, an air pump, a bleed passage, and a pressure control. The pressure sensor measures a pressure in the aeration tank. The air pump and the bleed passage are connected to the aeration tank and are controlled by the pressure control based on the pressure measured in the aeration tank.
    Type: Grant
    Filed: May 25, 2005
    Date of Patent: April 1, 2008
    Assignee: Willmar Water & Spas
    Inventors: Robert T. Fader, Wes J. Gunderson