Patents by Inventor Julius D. Geier

Julius D. Geier 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).

  • Building heating system, particularly utilizing solar and waste heat recovery
    Patent number: 4254822
    Abstract: A building heating system includes a plenum for distributing heated air and returning cool air to the heater. In accordance with this invention, additional heat pump means are provided comprising condenser or heat rejecter means positioned in the cold air plenum, heat absorber means which are preferably positioned in the attic of the building underneath the roof and/or in heat exchange relation with warmed gases from a chimney, and conduit and compressor means for providing heat transfer flow communication therebetween.
    Type: Grant
    Filed: November 27, 1978
    Date of Patent: March 10, 1981
    Assignee: Illinois Power Company
    Inventor: Julius D. Geier