Patents by Inventor Siegfried Jende

Siegfried Jende 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).

  • Connecting element for two machinery components or constructional components
    Patent number: 4786226
    Abstract: A connecting element for two machinery components or constructional components is provided with a threaded portion 4 used for fastening and an anti-fatigue portion 3 arranged axially displaced to the threaded portion 4 and consisting of several elevations 5 and grooves6, with the minor diameter d.sub.3R of the grooves 6 of the anti-fatigue portion 3 being made smaller than the minor diameter d.sub.3 of the threaded portion 4. The proportion is between 80 and 100%. The pitch diameter d.sub.2R of the anit-fatigue portion 3 consisting of the elevations 5 and the grooves 6 are larger than or the same as the pitch diameter d.sub.2 of the threaded portion 4.
    Type: Grant
    Filed: June 16, 1986
    Date of Patent: November 22, 1988
    Inventor: Siegfried Jende