Patents by Inventor Thomas Lis

Thomas Lis 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).

  • Floorplate frame for a people moving device
    Patent number: 5628391
    Abstract: A floorplate frame for supporting the floorplate of a people moving device is provided, including a sill, having an extruded cross-sectional profile, and a plurality of fasteners. The cross-sectional profile includes a back and a body. A pad is provided including an elastomeric formed into a shape comprising a top surface and bottom surface. The bottom surface includes a tab extending outwardly. The bottom surface of the pad further includes a plurality of ribs extending outwardly to attenuate vibration propagating between the floorplate frame and the floorplate.
    Type: Grant
    Filed: December 23, 1993
    Date of Patent: May 13, 1997
    Assignee: Otis Elevator Company
    Inventors: Heinz Volkening, Thomas Lis
  • Combplate for a people moving device
    Patent number: 5372231
    Abstract: A one piece combplate for a people moving device is provided having a body, a rear support, and a comb attachment surface. The body, rear support, and comb attachment surface define a lengthwise cross-sectional profile which extends uniformly in a widthwise direction across the combplate.
    Type: Grant
    Filed: December 23, 1993
    Date of Patent: December 13, 1994
    Assignee: Otis Elevator Company
    Inventors: Heinz Volkening, Thomas Lis, Peter von Riegen, Kay U. Wiechmann