Patents by Inventor Homer M. Biedenbach

Homer M. Biedenbach 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).

  • Interface equipment between a heat pump and a buried heat exchanger
    Patent number: 4909312
    Abstract: An interface assembly between a heat pump and an elongated ground heat exchanger. First and second valve means are connected to opposed end portions of the ground heat exchanger. A conduit of a coolant-to-heat transfer liquid heat exchanger in the heat pump, a tank column, and pump means between the second valve means and the first valve means are connected in series between the first and second valve means.
    Type: Grant
    Filed: September 18, 1987
    Date of Patent: March 20, 1990
    Inventors: Homer M. Biedenbach, Eugene L. Timperman