Patents by Inventor Adolph Behlau

Adolph Behlau 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: 4235286
    Abstract: A heat reclaiming flue pipe is comprised of a section of standard flue pipe of standard diameter and length. A plurality of metal pipes pass through the interior of the flue pipe section and are arranged in alignment with one another. Hot flue gases and smoke heat the plurality of metal pipes which in turn heat the air within the metal pipes. The heated air passes from the ends of the pipes into the room where the flue is located. Any number of heat reclaiming flue pipes may be utilized in the flue system.
    Type: Grant
    Filed: March 9, 1979
    Date of Patent: November 25, 1980
    Inventor: Adolph Behlau