Patents by Inventor Wen C. Wu

Wen C. Wu 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).

  • Pipe connecting device with bayonet and interlocking bushing structure
    Patent number: 5149149
    Abstract: A pipe connecting device for detachably connecting two tubes into a support to be used in a floor lamp, the pipe connecting device comprising two bushes respectively fastened in two tubes at the connecting ends thereof in a flush manner, the bushes each having a curved locating groove extending from a longitudinal guide groove thereof, and a pipe connector for connecting the two bushes together, said pipe connector having a circular outward flange at the middle and two unitary pins projecting from an outer wall surface thereof at right angles, wherein the two tubes can be detached from each other when the guide groove on either bush is aligned with each other, or firmly connected together when said two unitary pins are respectively engaged into the locating grooves on the two bushes.
    Type: Grant
    Filed: January 16, 1992
    Date of Patent: September 22, 1992
    Inventor: Wen C. Wu
  • Table lamp
    Patent number: D327137
    Type: Grant
    Filed: July 24, 1990
    Date of Patent: June 16, 1992
    Inventor: Wen C. Wu