Patents by Inventor Ching Tien Chang

Ching Tien Chang 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).

  • Tent pole assembly for shoring up
    Patent number: 7128078
    Abstract: The present invention provides a tent pole assembly for shoring up, which comprises a bottom pipe made of iron, a top pipe made of fiberglass reinforced plastic, and a connecting portion for connecting said bottom pipe and said top pipe. Said connecting portion is provided with a insertion portion and a protruding ring disposed along with exterior surface thereof. When said insertion portion inserts into one end of said bottom pipe, said protruding ring shores up said bottom pipe.
    Type: Grant
    Filed: October 6, 2004
    Date of Patent: October 31, 2006
    Assignee: Goal King Co. Ltd.
    Inventor: Ching Tien Chang