Patents by Inventor Tsao Hsien Hwang

Tsao Hsien 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).

  • Patent number: 6117021
    Abstract: A set of golf shafts is disclosed. The set comprises a plurality of shafts that decrease in length along the set. Each shaft includes a reverse taper section disposed a distance from the tip section on each shaft. The distance of the reverse taper section varies along a number of shafts as the shaft length decreases.A golf club shaft is disclosed. The shaft includes a tip section, lower section, and an upper section. The tip section connects with a golf club head. The lower section includes a tapered section and a reverse taper section. The tapered section extends from the tip section. The tapered section increases in diameter in a direction away from the tip section. The reverse taper section extends between the tapered section and the upper section. The reverse taper section has a diameter that decreases in a direction away from the tip section. The shaft further includes a resilient plug wedged inside the shaft.
    Type: Grant
    Filed: December 24, 1997
    Date of Patent: September 12, 2000
    Assignee: Cobra Golf, Incorporated
    Inventors: Thomas L. Crow, Bret A. Newmiller, William F Davidson, III, Daniel L. Weaver, Tsao Hsien Hwang, George D. Wever, III, Pascal Stolz
  • Patent number: 5935017
    Abstract: The present invention is directed towards a golf club shaft which comprises an upper section, a tip section, and a lower section therebetween. The tip section connects with a golf club head. The lower section includes a first tapered section and a hump section. The first tapered section is connected between the tip section and the hump section. The first tapered section increases in diameter in a direction away from the tip section. The hump section has a diameter that decreases in a direction away from the tip section, which is a reverse taper. The lower and upper sections are shaped so that the lower section is stiffer than the upper section.
    Type: Grant
    Filed: June 28, 1996
    Date of Patent: August 10, 1999
    Assignee: Cobra Golf Incorporated
    Inventors: Daniel L. Weaver, Tsao Hsien Hwang