Patents by Inventor Gregory Milton O'Seep

Gregory Milton O'Seep 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).

  • Car door lock
    Patent number: 5918704
    Abstract: A car door lock for locking elevator car doors when the elevator car is in transit and/or outside the door zone includes a solenoid activated lever that pushes a lock arm to open. The solenoid is activated in two phases to reduce associated noise. The car door lock includes an operator switch which signals the door controller that the door lock is opened and the elevator car door is free to be opened. The car door also includes a safety switch which signals the door controller that the elevator car door lock is closed.
    Type: Grant
    Filed: June 28, 1996
    Date of Patent: July 6, 1999
    Assignee: Otis Elevator Company
    Inventors: Marc Frederic Chevilliard, Stephen Roberts, Gregory Milton O'Seep, Frederic Bruno Delmas, Lap Yick Lee