Patents by Inventor Udo Schmitting

Udo Schmitting 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).

  • Step Platform for an escalator
    Patent number: 5542521
    Abstract: A step platform for an escalator is provided, comprising a higher step and a lower step. The higher step includes a top surface and a support arm. The lower step has a main body, a raisable middle section, and apparatus for selectively raising the middle section. When the apparatus for selectively raising the middle section engages the support arms, the top surface of the middle section is maintained in the same plane as the top surface of the higher step.
    Type: Grant
    Filed: October 5, 1994
    Date of Patent: August 6, 1996
    Assignee: Otis Elevator Company
    Inventors: Helmut J. W. Meyer, Hermann W. Ahls, Klaus Blaseck, Udo Schmitting
  • Step platform for an escalator
    Patent number: 5381881
    Abstract: A step platform for an escalator having a step chain with a plurality of axles is provided comprising a lower step attached to an axle of the step chain, a higher step, attached to an axle of the step chain, having a middle section, and apparatus for actuating the middle section. The actuating apparatus is operated by the rotation of the step chain axles in the transition zones between the landings and the inclined midsection of the escalator.
    Type: Grant
    Filed: November 12, 1993
    Date of Patent: January 17, 1995
    Assignee: Otis Elevator Company
    Inventors: Helmut J. W. Meyer, Hermann W. Ahls, Klaus Blaseck, Udo Schmitting