Patents by Inventor Timothy Toan

Timothy Toan 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 safety device
    Patent number: 9975733
    Abstract: One or more hydraulically-powered braking assemblies mounted on the cross-rail or safety plank of a traction-type or hydraulic-type elevator car, and designed to selectively brake on a guide rail of the elevator car upon detection of a safety condition.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: May 22, 2018
    Inventors: Kevin Cunningham, Timothy Toan
  • ELEVATOR SAFETY DEVICE
    Publication number: 20160214834
    Abstract: An elevator safety device for an elevator car, which includes one or more hydraulically-powered braking assemblies mounted on the cross-rail or safety plank of the elevator car and designed to selectively brake on a pulley carried by a guide rail of the elevator car upon detection of a safety condition. The safety device may be used with traction-type or hydraulic-type elevators.
    Type: Application
    Filed: January 26, 2015
    Publication date: July 28, 2016
    Inventors: Kevin Cunningham, Timothy Toan