Patents by Inventor Valery G. Sheynkman

Valery G. Sheynkman 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).

  • Elevator evacuation deterrent device
    Patent number: 5819877
    Abstract: A simplified elevator car door lock assembly locks an elevator car door if the car is outside a landing zone and there is an attempt to open those doors. The car doors are connected to the hoistway doors by a pair of vanes mounted on the car door and a pair of rollers mounted on the hoistway door. A third vane is attached to the car door and follows a cam path on the car door to lock the car doors if the car is not in a landing zone. Conversely, the third vane senses if the car is in a landing zone and does not lock the car door if it is moved.
    Type: Grant
    Filed: June 28, 1996
    Date of Patent: October 13, 1998
    Assignee: Otis Elevator Company
    Inventors: James A. Rivera, Richard E. Kulak, Michael J. Tracey, Valery G. Sheynkman, Duane R. Stupienski, Blair J. Cohen