Patents by Inventor Kenneth J. Jacobsen

Kenneth J. Jacobsen 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).

  • Stove pipe heat extractor
    Patent number: 4393925
    Abstract: A heat extractor for picking up waste heat from flue gases is disclosed. The extractor attaches to the stove pipe of a furnace or stove. Air is introduced into the extractor in a spiral flow pattern which is reversed after the air is heated. Air flows into the room from the extractor in a 360.degree. pattern.
    Type: Grant
    Filed: November 2, 1977
    Date of Patent: July 19, 1983
    Inventors: Kenneth J. Jacobsen, Jerome F. Moshofsky