Patents by Inventor Tung Sheng Kao

Tung Sheng Kao 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: 20180202639
    Abstract: A work light includes a main light holder for holding a main light and at least one auxiliary light holder for holding at least one auxiliary light; wherein the at least one auxiliary light holder is located on at least one side of the main light holder and is rotatably connected with the main light holder by at least one pivot, the at least one pivot is extended along a first direction; and the at least one pivot is located within boundaries of both sides of the at least one auxiliary light holder along a second direction, the second direction is perpendicular to the first direction. Therefore, a light-emitting angle of the auxiliary light with respect to the main light can be adjusted by rotating the auxiliary light holder, and illumination range and illumination intensity of the work light can be increased by rotating the auxiliary light holder.
    Type: Application
    Filed: April 20, 2017
    Publication date: July 19, 2018
    Applicant: TEST RITE INTERNATIONAL CO., LTD.
    Inventor: Tung Sheng Kao
  • Patent number: D873011
    Type: Grant
    Filed: May 3, 2018
    Date of Patent: January 21, 2020
    Assignee: TEST RITE INTERNATIONAL CO., LTD
    Inventor: Tung-Sheng Kao