Patents by Inventor Volkmar Heuser

Volkmar Heuser 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 collector
    Patent number: 4305385
    Abstract: Solar collector without outer glass isolation in the shape of a usual roof cover, especially a roof cover having undulations, comprising integral passageways on the lower side of the roof cover and spaced apart from each other, and crossing channels which can be connected to the passageways, especially by pressing connecting openings one upon the other.
    Type: Grant
    Filed: June 20, 1979
    Date of Patent: December 15, 1981
    Inventor: Volkmar Heuser