Patents by Inventor Hsin Tsai Hwang

Hsin Tsai Hwang 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).

  • Elevation-adjustable rod member locking structure
    Patent number: 6442906
    Abstract: An elevation-adjustable rod member locking structure is disclosed, which includes a locating socket fixedly fastened to an end of a tubular upright post, the locating socket having an inward shoulder, an adjustment nut threaded onto a screw rod and supported on the shoulder, the adjustment nut having an outward flange, and a lock screw threaded into the locating socket and stopped at the top side of the outward flange of the adjustment nut to lock the adjustment nut with the locating socket.
    Type: Grant
    Filed: September 27, 2001
    Date of Patent: September 3, 2002
    Inventor: Hsin Tsai Hwang