Patents by Inventor Michael T. Barten

Michael T. Barten 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).

  • Double-drive automatic sliding door operator
    Patent number: 5711112
    Abstract: An automatic sliding door operator includes a top door operator and a bottom door operator, each operator having a motor driven sprocket driving a tooth belt to which the sliding doors are attached, the motors being separately driven in a position-synchronized fashion in response to related encoders connected with each motor to provide positional information.
    Type: Grant
    Filed: September 3, 1996
    Date of Patent: January 27, 1998
    Assignee: Otis Elevator Company
    Inventors: Michael T. Barten, Rudiger Lob, Helmut L. Schroder-Brumloop, Mustapha Toutaoui