Patents by Inventor Ursula Weidig

Ursula Weidig 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).

  • METHOD OF PRODUCING AT LEAST TWO PLANE FUNCTIONAL SURFACES EXTENDING PARALLEL TO EACH OTHER ON A PIPE
    Publication number: 20100000073
    Abstract: The object of the invention is a method for producing at least two plane functional surfaces extending parallel to each other on a pipe (3) having a curved, such as round, or a polygonal cross-section wherein the length of each functional surface extends only across part of the length of the pipe (3) between two smooth cylindrical rollers (4, 5) disposed in a roller frame, wherein keeping with the desired two-dimensional extension of the functional surfaces the pipe (3) is guided, preferably multiple times, between the rollers in accordance with the desired degree of deformation.
    Type: Application
    Filed: August 17, 2007
    Publication date: January 7, 2010
    Applicant: ALSTOM TECHNOLOGY LTD.
    Inventors: Kurt Steinhoff, Ursula Weidig, Klaus Hübner