Patents by Inventor Young-Chen Hsu

Young-Chen Hsu 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: 20030073523
    Abstract: A method for manufacturing racket with shock absorbing members includes step 1 to form a shaft having two extensions by composite prepreg material; step 2 to wrap two respective shock absorbing members on the two extensions; step 3 to form a head having two tubular portions extending therefrom by composite prepreg material, and steps 4 to insert the two extensions wrapped with the shock absorbing members in the two tubular portions and to heat the combination in a mold.
    Type: Application
    Filed: October 16, 2001
    Publication date: April 17, 2003
    Inventor: Young-Chen Hsu
  • Publication number: 20030073522
    Abstract: A method for manufacturing racket with shock absorbing members includes step 1 to form a shaft having two extensions; step 2 to wrap two respective shock absorbing members on the two extensions; step 3 to form a head having two tubular portions extending therefrom, and steps 4 to securely insert the two extensions wrapped with the shock absorbing members in the two tubular portions.
    Type: Application
    Filed: October 16, 2001
    Publication date: April 17, 2003
    Inventor: Young-Chen Hsu
  • Patent number: 6471607
    Abstract: A sport racket includes a head with a shank extending therefrom and a connection section extends from the shank. A shock absorbing sleeve is mounted to the connection section and a handle is mounted to the sleeve.
    Type: Grant
    Filed: December 28, 2000
    Date of Patent: October 29, 2002
    Inventor: Young-Chen Hsu
  • Publication number: 20020086747
    Abstract: A sport racket includes a head with a shank extending therefrom and a connection section extends from the shank. A shock absorbing sleeve is mounted to the connection section and a handle is mounted to the sleeve.
    Type: Application
    Filed: December 28, 2000
    Publication date: July 4, 2002
    Inventor: Young-Chen Hsu
  • Patent number: 6159115
    Abstract: A handle for a racket includes a handle part from which an engaging section longitudinally extends. A carrier member is mounted to the engaging section and has a plurality of weights received in an outside and/or an end thereof A butt cap is mounted to the carrier member. The carrier member can be replaced with another one having different length so as to change the length of the handle. The numbers and positions of the weights in the carrier member can be adjusted so as to adjust the position of weight of the handle.
    Type: Grant
    Filed: November 26, 1999
    Date of Patent: December 12, 2000
    Inventor: Young-Chen Hsu
  • Patent number: 6089996
    Abstract: A handle for a racket includes a tubular handle with an end cap mounted to the distal end thereof. The end cap has a bottom board and a swinging device is connected to the bottom board and the swinging device is swingable in the handle. The swinging device includes a cup-like flexible frame and a weight which is retained in the tubular frame so that the flexible frame swings in the tubular handle to absorb the shocks.
    Type: Grant
    Filed: April 23, 1999
    Date of Patent: July 18, 2000
    Inventor: Young-Chen Hsu
  • Patent number: 6086489
    Abstract: An end cap for a racket handle includes a tubular member mounted to the racket handle, a collar member connected to the rear end of the tubular member and a board retained in the collar member. A plurality of recesses are respectively defined in the inside and the outside of the tubular member and the inside of the tubular member snugly contacts the racket handle. The collar member has an annular wall extending transversely therefrom and the annular wall snugly contacts the tubular member. The recesses are sealed by the racket handle and the annular wall so as to be defined as chambers which absorb shocks transferred from the racket.
    Type: Grant
    Filed: April 21, 1999
    Date of Patent: July 11, 2000
    Inventor: Young-Chen Hsu
  • Patent number: 5545094
    Abstract: A hollow golf club shaft has the first section and the second section. The first section has an inner layer which is made of viscoelastic-foam material and an outer layer which is made of carbon fiber reinforced plastic composite. The inner layer is enclosed by the outer layer. The first section has a non-circular cross-section such as a generally elliptic cross-section, a generally half elliptic cross-section, a generally pyriform cross-section, and a generally semicircular cross-section.
    Type: Grant
    Filed: August 24, 1995
    Date of Patent: August 13, 1996
    Inventor: Young-chen Hsu