Patents by Inventor Chao-Mu Cheng

Chao-Mu Cheng 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).

  • Bulb assembly with dual connecting types
    Patent number: 7399109
    Abstract: A bulb assembly includes a shell, a holder, and a bulb, wherein the bulb and the holder are received in the shell, wherein the bulb has two conductive wires passing through the holder and being folded upward outsides. The shell is provided with a central plate extending to the bottom of the holder and separating two conductive wires from each other. Hence, there are two connecting types for electrical wires with conductive pins to insert into shell and contact with various position of the conductive wires that facilitates the utilization of the products.
    Type: Grant
    Filed: March 10, 2006
    Date of Patent: July 15, 2008
    Inventor: Chao-Mu Cheng
  • Bulb assembly with dual connecting types
    Publication number: 20070211497
    Abstract: A bulb assembly includes a shell, a holder, and a bulb, wherein the bulb and the holder are received in the shell, wherein the bulb has two conductive wires passing through the holder and being folded upward outsides. The shell is provided with a central plate extending to the bottom of the holder and separating two conductive wires from each other. Hence, there are two connecting types for electrical wires with conductive pins to insert into shell and contact with various position of the conductive wires that facilitates the utilization of the products.
    Type: Application
    Filed: March 10, 2006
    Publication date: September 13, 2007
    Inventor: Chao-Mu Cheng