Patents by Inventor Qing-Hua Ye

Qing-Hua Ye 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).

  • Publication number: 20050126854
    Abstract: The current invention provides a safe and convenient escaping system in buildings to save life when catching fire and method for making it. The escaping system includes a released rope pulley and a lever on the outside wall of buildings, and can be hided in outside wall of buildings or hanging there. When fire takes place in the building, people trapped in will run to the position of escaping system, pulling the insured clasp of the free end of safe rope, hanging life belt or temporary one made of enough firm fabric on one's body on the clasp and sliding down safely. The invented escaping system can be used for all people including seniors, women, and children, because it slides down at a controlled safe speed.
    Type: Application
    Filed: December 15, 2003
    Publication date: June 16, 2005
    Inventor: Qing-Hua Ye