Patents by Inventor Jeng-Horng Hsieh

Jeng-Horng Hsieh 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).

  • Center ball O-ring
    Patent number: 7241099
    Abstract: A self-retaining O-ring having at least two radial struts connectively extending from inside surfaces to a central sphere-shaped retainer. The top surfaces of the radial struts are formed below the top surfaces of the O-ring. The central sphere-shaped retainer is connectively formed to the radial struts and extending below the bottom surfaces of the struts. A circular recess is provided for containing and supporting the O-ring, its inside surface is dovetailed. The circular recess has a spherical hole disposed on its center for insertion of the sphere-shaped retainer.
    Type: Grant
    Filed: January 21, 2004
    Date of Patent: July 10, 2007
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Huan-Liang Tzeng, Jeng-Horng Hsieh, Jung-Hsiang Chang
  • Center ball O-ring
    Publication number: 20050155709
    Abstract: A self-retaining O-ring having at least two radial struts connectively extending from inside surfaces to a central sphere-shaped retainer. The top surfaces of the radial struts are formed below the top surfaces of the O-ring. The central sphere-shaped retainer is connectively formed to the radial struts and extending below the bottom surfaces of the struts. A circular recess is provided for containing and supporting the O-ring, its inside surface is dovetailed. The circular recess has a spherical hole disposed on its center for insertion of the sphere-shaped retainer.
    Type: Application
    Filed: January 21, 2004
    Publication date: July 21, 2005
    Inventors: Huan-Liang Tzeng, Jeng-Horng Hsieh, Jung-Hsiang Chang