Patents by Inventor Wen-Fang Pan

Wen-Fang Pan 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).

  • Connecting structure of a pipe-type lamp
    Publication number: 20030013339
    Abstract: The present invention relates to a connecting structure of a pipe-type lamp, which includes a joint and a tube body. The joint is provided with a multi-step cone-end for inserting into the tube body to assemble a long pipe-type lamp and the multi-step cone-end of the joint can increase connecting strength between the joint and the tube body and prevents from separation therebetween.
    Type: Application
    Filed: July 16, 2001
    Publication date: January 16, 2003
    Inventor: Wen-Fang Pan
  • Multi-color pipe-type lamp
    Publication number: 20030012019
    Abstract: The present invention relates to a multi-color pipe-type lamp, which includes an inner tube being provided with different color and then covered by an outer tube to become a multi-color lamp. The multi-color pipe-type lamp has a smooth surface and the color will not be dropped even a long time use or contact that obtains a utilized effect and improvement.
    Type: Application
    Filed: July 16, 2001
    Publication date: January 16, 2003
    Inventor: Wen-Fang Pan