Patents by Inventor Friedmar Hinzmann

Friedmar Hinzmann 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: 4474715
    Abstract: Described is a pyrotechnic charge as smoke- or combustion charge in the form of separate pressed objects arranged in a case, the improvement comprising the fact that the case (1) for the pressed objects (3) consists of plastic or light metal provided with preset breaking points (2). More specifically, the pyrotechnic charge contains a charge base containing smoke compounds in the form of pressed objects and also contains an igniting charge.
    Type: Grant
    Filed: August 18, 1981
    Date of Patent: October 2, 1984
    Assignee: Pyrotechnische Fabrik F. Feistel GmbH & Co., KG
    Inventors: Manfred Weber, Friedmar Hinzmann