Patents by Inventor Gerhard Karner

Gerhard Karner 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).

  • Overhead supporting beam for an elevator door and a door mechanism arrangement
    Patent number: 5678660
    Abstract: In the overhead supporting beam of an elevator door, the roller races (4,5) for the rollers of the door panels are formed from one piece with the overhead supporting beam (1). The door operating mechanism (11) with the door operating motor (15) is fitted to form a single unit with the overhead supporting beam (1) of the door.
    Type: Grant
    Filed: October 31, 1995
    Date of Patent: October 21, 1997
    Assignee: Kone Oy
    Inventors: Gerhard Karner, Franz Mittermayer, Franz Josef Karner