Patents by Inventor Josef Zeibig

Josef Zeibig 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: 4470406
    Abstract: A concrete roofing tile (10) has a thermal conduction device in the form of metal sheets (20a, 20b) attached to its underside. Planar metal contacts (30a, 30b) project from the underside of the sheets and are adapted to clip on a pipe (40) which extends up the roof and carries a heat carrier medium. The pipe is part of grid fixed to a roof structure for collecting heat absorbed by the tiles. The tiles have the appearance of ordinary roofing tiles from the outside.
    Type: Grant
    Filed: May 14, 1981
    Date of Patent: September 11, 1984
    Assignee: Redland Roof Tiles Limited
    Inventors: Manfred Rinklake, Wilhelm Roettger, Josef Zeibig, Guenter Joest