Patents by Inventor Hans E. Warden

Hans E. Warden 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).

  • X-ray devices using epoxy resins strengthened with carbonic fibrous material
    Patent number: 4146793
    Abstract: Cast resins strengthened with carbonic fibrous material are used as the material for making parts which transmit X-rays and at the same time are subject to mechanical stresses.
    Type: Grant
    Filed: April 12, 1976
    Date of Patent: March 27, 1979
    Assignee: Siemens AG
    Inventors: Lennart Bergstrom, Hans E. Warden