Patents by Inventor Manfred Schelzig

Manfred Schelzig 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).

  • Solar collectors and process for the manufacture thereof
    Patent number: 4377156
    Abstract: A carrier or frame for solar collectors, having a rigid-cellular plastic filling body completely or partially coated with a tight-sealing synthetic top layer. A process for the manufacture thereof which involves the use of casting molds for forming the cellular filling body and for applying a liquid resin thereto as a top layer.
    Type: Grant
    Filed: March 23, 1979
    Date of Patent: March 22, 1983
    Inventor: Manfred Schelzig