Patents by Inventor Volker Hann

Volker Hann 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: 5242199
    Abstract: A threaded connection for tubing joints having a threaded part and a matching part fixedly connected with the tube, which embraces the tube externally and rests with an inner surface having grooves at the outer surface of the tube, wherein the fixed connection between the matching part and the tube is produced by rolling material of the tube into the grooves, the matching part 2 having at least one groove 7, 8 which is conducted in a threaded shape manner, so as to prevent failure of the tubing joint by crack formation.
    Type: Grant
    Filed: January 29, 1991
    Date of Patent: September 7, 1993
    Assignee: Deutsche Airbus GmbH
    Inventors: Volker Hann, Siegfried Kramer
  • Patent number: 4774826
    Abstract: A hollow sphere is made of a superplastic material and blown to a large size, unrestricted or with restriction in one or two directions. The unrestricted hollow sphere may be rotated while being blown.
    Type: Grant
    Filed: December 9, 1986
    Date of Patent: October 4, 1988
    Assignee: MBB GmbH
    Inventor: Volker Hann