Patents by Inventor Frank P. Morrisino

Frank P. Morrisino 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 locking system
    Patent number: 5894911
    Abstract: Microprocessor-based car door locking system includes an electromechanical door lock for elevator car doors having a latch-type rotary solenoid to move a plunger into locked and unlocked positions. In the locked position, the plunger engages a bracket mounted on the elevator car door. The door lock also includes a controller that integrates the door lock into the elevator system and provides failure management for the door lock. The door lock of the present invention does not require power during either the locked or unlocked state.
    Type: Grant
    Filed: July 11, 1997
    Date of Patent: April 20, 1999
    Assignee: Otis Elevator Company
    Inventors: Ali Bozorgzadeh, Troy R. Chicoine, Frank E. Dyer, John J. Faup, Jesse R. Richter, Frank P. Morrisino, Wayne L. Virkler