Patents by Inventor Zheng Dianging

Zheng Dianging 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: 20090317996
    Abstract: This utility model relates to a decorative light, and particularly, to a decorative light capable of avoiding an open circuit condition on an entire string of bulbs that operate in series when an individual bulb is removed. The decorative light comprises a socket, a bulb base, a bulb and two terminals, wherein the socket is provided with a retainer therein, which has an opening laterally extending therethrough, and an elastic, conductive ring or coil with a thickness smaller than a width of the opening is disposed within the opening. When the elastic ring or coil is in a natural state, the elastic ring extends outside the retainer through the opening at two sides of the retainer. The bulb base is further provided with an inserting partition at the bottom thereof The elastic conductive ring has two states: one is a separating state where the bulb base is inserted into the socket.
    Type: Application
    Filed: March 31, 2009
    Publication date: December 24, 2009
    Inventors: Zheng Dianging, Qi Chen