Patents by Inventor Leslie Earl Grey

Leslie Earl Grey 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).

  • Security-based elevator control to address a security violation involving at least one elevator car at a landing
    Patent number: 8464840
    Abstract: An exemplary method of controlling a plurality of elevator cars includes determining that there is a security violation condition involving at least one of the elevator cars at a landing. That elevator car is prevented from moving from the landing until the condition is resolved. The other elevator cars are controlled such that they do not provide elevator service to or from the landing until the condition is resolved.
    Type: Grant
    Filed: June 30, 2008
    Date of Patent: June 18, 2013
    Assignee: Otis Elevator Company
    Inventors: Michael P. Flynn, Leslie Earl Grey, Jerrold C. Bloom
  • SECURITY-BASED ELEVATOR CONTROL
    Publication number: 20110048865
    Abstract: An exemplary method of controlling a plurality of elevator cars includes determining that there is a security violation condition involving at least one of the elevator cars at a landing. That elevator car is prevented from moving from the landing until the condition is resolved. The other elevator cars are controlled such that they do not provide elevator service to or from the landing until the condition is resolved.
    Type: Application
    Filed: June 30, 2008
    Publication date: March 3, 2011
    Inventors: Michael P. Flynn, Leslie Earl Grey