Patents by Inventor Otmar Hubner

Otmar Hubner 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).

  • Reinforced window frame
    Patent number: 6006478
    Abstract: A window or a door has a frame structure and a U-shaped bar simultaneously serving as reinforcement section and a turn-tilt mechanism.
    Type: Grant
    Filed: April 15, 1998
    Date of Patent: December 28, 1999
    Assignee: Thyssen Polymer GmbH
    Inventors: Otmar Hubner, Gunter Pielmeier