Patents by Inventor Hans-Martin Mehlert

Hans-Martin Mehlert 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).

  • Heated escalator handrail
    Patent number: 6382389
    Abstract: A handrail guide in an outdoor escalator contains a heating cable to prevent the handrail from freezing to an associated handrail guide in cold weather.
    Type: Grant
    Filed: July 16, 1998
    Date of Patent: May 7, 2002
    Assignee: Otis Elevator Company
    Inventors: Hans-Martin Mehlert, Dietmar Krüger