Patents by Inventor Kurt Kirdorf

Kurt Kirdorf 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).

  • Noise-protection elements of acrylic glass
    Patent number: 5040352
    Abstract: Noise-abatement panels of acrylic glass are secured against fragmentation by plastic threads, plastic bands or a plastic net embedded in them approximately in the middle. If the acrylic glass breaks, the threads, bands or nets hold the fragments together.
    Type: Grant
    Filed: July 10, 1990
    Date of Patent: August 20, 1991
    Assignee: Degussa Aktiengesellschaft
    Inventors: Klaus Oberlander, Norbert Brand, Kurt Kirdorf, Peter Seelmann, Heinz Wachter