Patents by Inventor John W. Ray, II

John W. Ray, II 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).

  • Method and apparatus for locking an elevator or transport system
    Patent number: 8925981
    Abstract: A locking system for a hoistway door having an elongated casing, a slider member operatively connected to an electromechanical system for upward and downward movement of the slider. A keeper associated with the locking system allowing for secure locking and unlocking of the hoistway door.
    Type: Grant
    Filed: April 18, 2011
    Date of Patent: January 6, 2015
    Inventor: John W. Ray, II
  • Safety lock
    Patent number: D639137
    Type: Grant
    Filed: October 15, 2010
    Date of Patent: June 7, 2011
    Assignee: Rocky Mountain Elevator Products, LLC
    Inventor: John W. Ray, II
  • Door frame assembly
    Patent number: D821608
    Type: Grant
    Filed: January 6, 2016
    Date of Patent: June 26, 2018
    Inventor: John W. Ray, II