Patents by Inventor Ralf POTTGUETER

Ralf POTTGUETER 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 for producing a screw foundation for securing elements in the ground
    Patent number: 12097551
    Abstract: A method for producing a screw foundation for securing elements in the ground, provides a cylindrical tube as an initial form and a conical front portion tapering to an insertion tip is then molded on to the cylindrical tube using a non-cutting process, the front portion being provided at least in some regions with a thread-like contour for screwing into the ground. An inner contour for a screwing tool is formed integrally in a rear end of the tube by flow forming, and the front portion and the thread-like contour are formed exclusively by flow forming.
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: September 24, 2024
    Assignee: Winkelmann Foundation Screw Sp. z o.o.
    Inventors: Bernd Rudert, Karl-Heinz Hecker, Ralf Pottgueter
  • METHOD FOR PRODUCING A SCREW FOUNDATION FOR SECURING ELEMENTS IN THE GROUND
    Publication number: 20230173571
    Abstract: A method for producing a screw foundation for securing elements in the ground, provides a cylindrical tube as an initial form and a conical front portion tapering to an insertion tip is then molded on to the cylindrical tube using a non-cutting process, the front portion being provided at least in some regions with a thread-like contour for screwing into the ground. An inner contour for a screwing tool is formed integrally in a rear end of the tube by flow forming, and the front portion and the thread-like contour are formed exclusively by flow forming.
    Type: Application
    Filed: October 6, 2020
    Publication date: June 8, 2023
    Applicant: Winkelmann Powertrain Components GmbH & Co. KG
    Inventors: Bernd RUDERT, Karl-Heinz HECKER, Ralf POTTGUETER