Patents by Inventor Jan-Ulfert Smit

Jan-Ulfert Smit 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).

  • Coupling device for coupling tower segments of a tower of a wind power installation, tower segment, part of a tower, tower, wind power installation and installation method
    Patent number: 11674499
    Abstract: A coupling device for coupling tower segments, which are arranged on one another, of a tubular tower of a wind power installation, having a coupling plate for contact against a circumferential surface of the tower segments, which are arranged on one another, in an abutting region, comprising a fastening portion having a first contact surface for arranging on a circumferential surface of a first tower segment and a connecting portion having a second contact surface for arranging on a circumferential surface of a second tower segment, and at least one through-opening.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: June 13, 2023
    Assignee: Wobben Properties GmbH
    Inventors: Stefan Lütkemeyer, Frank Knoop, Ihno Coordes, Jan-Ulfert Smit, Ronald Lange
  • Rotor hub for wind turbines
    Patent number: D935406
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: November 9, 2021
    Assignee: Wobben Properties GmbH
    Inventors: Peter Geiken, Ihno Coordes, Jan-Ulfert Smit, Thorsten Fleßner, Joan Kreikenbaum