Patents by Inventor Bernd Grabherr

Bernd Grabherr 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: 4929802
    Abstract: An electromagnetically shielded cabin is disclosed which utilizes a novel sealing system enabling reduced maintenance expenditures for maintaining necessary electrical contract, and thus the necessary shield attenuation values, when cabin parts are made of aluminum. The contact surfaces forming part of the novel sealing system are coated with tin which enable the reduced maintenance expenditures and achieve excellent shield attenuation values.
    Type: Grant
    Filed: December 14, 1988
    Date of Patent: May 29, 1990
    Assignee: Zeppelin-Metallwerke GmbH
    Inventors: Arno Schaepers, Bernd Grabherr