Patents by Inventor Joan KREIKENBAUM

Joan KREIKENBAUM 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).

  • Nacelle of a wind turbine, as well as a wind turbine having a nacelle and method for the maintenance of a wind turbine of this type
    Patent number: 11795921
    Abstract: A nacelle of a wind turbine comprising a machine carrier which is adapted to be installed on a tower of the wind turbine and to carry a generator and a rotor hub of the wind turbine, a working frame installed on the machine carrier and having one or more working planes, and a nacelle housing which encloses the machine carrier and the working frame for protection from weather influences, wherein the nacelle housing has a nacelle base compartment accessible from the working frame. It is proposed that the nacelle base compartment is adapted to be lowerable relative to the working platform. A wind turbine and a maintenance method is also provided.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: October 24, 2023
    Assignee: Wobben Properties GmbH
    Inventors: Frank Knoop, Wilko Gudewer, Joan Kreikenbaum
  • NACELLE OF A WIND TURBINE, AS WELL AS A WIND TURBINE HAVING A NACELLE AND METHOD FOR THE MAINTENANCE OF A WIND TURBINE OF THIS TYPE
    Publication number: 20200355167
    Abstract: A nacelle of a wind turbine comprising a machine carrier which is adapted to be installed on a tower of the wind turbine and to carry a generator and a rotor hub of the wind turbine, a working frame installed on the machine carrier and having one or more working planes, and a nacelle housing which encloses the machine carrier and the working frame for protection from weather influences, wherein the nacelle housing has a nacelle base compartment accessible from the working frame. It is proposed that the nacelle base compartment is adapted to be lowerable relative to the working platform. A wind turbine and a maintenance method is also provided.
    Type: Application
    Filed: January 24, 2019
    Publication date: November 12, 2020
    Inventors: Frank KNOOP, Wilko GUDEWER, Joan KREIKENBAUM
  • 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