Patents by Inventor Wang-Chiu Yeh

Wang-Chiu Yeh 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: 6524196
    Abstract: A method of forming patterns, trademarks and balance weight in a golf club head includes fabricating a rough working piece of the club head which has a trough located at a lower portion and reverse recesses for selected patterns and trademarks located at an upper portion thereof. Then fill and stuff the trough and recesses with a metallic material different from the club head that has a lower melting point (such as copper powder). Thereafter the stuffed recesses and trough and rough working piece of the club head are heated until the stuffed metallic material melted to form a strong binding with the rough working piece. Then grinding the rear side of the stuffed patterns and trademarks to expose the patterns and trademarks. The stuffed material in the trough becomes a balance weight. Finally to engage a hitting plate with a front circumferential edge of the trough to form a finished club head.
    Type: Grant
    Filed: October 10, 2000
    Date of Patent: February 25, 2003
    Inventor: Wang-Chiu Yeh
  • Patent number: 6089991
    Abstract: An improved golf club mainly comprises: a club head having a through hole in its club neck for accommodating a tapped club shaft, wherein insert portion of the club shaft is glued on its outer surface for sticking at the club neck; a bolt with thread portion glued being used to screw in and joined with the club shaft for dual assurance of a firm connection without detachment of the club head in a striking, meanwhile, the bolt being replaceable for balance adjustment of the club head.
    Type: Grant
    Filed: January 14, 1999
    Date of Patent: July 18, 2000
    Inventor: Wang-Chiu Yeh
  • Patent number: 5873790
    Abstract: The present invention relates to an improved connecting socket of the golf club head. The connecting socket 10 of the head 1 is a projected tube 11 having a through hole 110 thereof. A reinforced rib 12 is disposed between the head 1 and the projected tube 11. By this arrangement, the connecting portion 100 of the connecting socket 10 and the reinforced rib 12 can be forcibly pressed with or without heating. Accordingly, a little angular adjustment can be made to the connecting socket 10 by means of the projected tube 11. A shaft 2 can be readily mounted thereof and the striking area can be also increased.
    Type: Grant
    Filed: September 30, 1997
    Date of Patent: February 23, 1999
    Inventor: Wang-Chiu Yeh