Patents by Inventor Haishan Tang

Haishan Tang 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).

  • Wirelessly controlled fire escape devices
    Publication number: 20090014242
    Abstract: Disclosed is a fire escape device which can be controlled wirelessly. The device comprises a rope winding unit having a rope, a carrying unit fixed to one end of the rope, a main control unit fixed onto a building, through which the rope is connected to the man-carrying unit so as to control a descent process of the carrying unit, and at least one wireless remote control capable of communicating with the main control unit and operating the same.
    Type: Application
    Filed: April 8, 2008
    Publication date: January 15, 2009
    Inventor: Haishan Tang