Patents by Inventor Uwe Wistuba

Uwe Wistuba 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).

  • Chain in particular a hoist chain
    Patent number: 7107754
    Abstract: According to the invention, the resistance of the links of a D-profile chain may be increased, whereby the transitions between the flanks (2, 3) and the outer planar bearing surfaces of the links comprise roundings of radius r, which is 0.2 to 0.4 times the value of the separation (A) between the flanks of the chain links.
    Type: Grant
    Filed: October 30, 2002
    Date of Patent: September 19, 2006
    Assignee: RUD-Kettenfabrik Rieger & Dietz GmbH u. Co.
    Inventors: Rolf Sinz, Hans Dalferth, Uwe Wistuba, Heribert Herzog
  • Chain in particular a hoist chain
    Publication number: 20040244354
    Abstract: According to the invention, the resistance of the links of a D-profile chain may be increased, whereby the transitions between the flanks (2, 3) and the outer planar bearing surfaces of the links comprise roundings of radius r, which is 0.2 to 0.4 times the value of the separation (A) between the flanks of the chain links.
    Type: Application
    Filed: April 19, 2004
    Publication date: December 9, 2004
    Inventors: Rolf Sinz, Hans Dalferth, Uwe Wistuba, Heribert Herzog