Patents by Inventor Donald Hagney

Donald Hagney 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 system having lockdown mode
    Patent number: 10384911
    Abstract: An elevator system includes an elevator car configured to travel in a hoistway; an elevator car door configured to open and close; a machine configured to impart force to the elevator car; an interface configured to generate a lockdown mode signal; and a controller configured to control operation of at least one of the machine and the elevator car door in response to the lockdown mode signal.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: August 20, 2019
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Mark D. Saperstein, Benjamin Saperstein, Donald Hagney
  • ELEVATOR SYSTEM HAVING LOCKDOWN MODE
    Publication number: 20180093860
    Abstract: An elevator system includes an elevator car configured to travel in a hoistway; an elevator car door configured to open and close; a machine configured to impart force to the elevator car; an interface configured to generate a lockdown mode signal; and a controller configured to control operation of at least one of the machine and the elevator car door in response to the lockdown mode signal.
    Type: Application
    Filed: September 30, 2016
    Publication date: April 5, 2018
    Inventors: Mark D. Saperstein, Benjamin Saperstein, Donald Hagney