Patents by Inventor Joseph C. S. Hsu

Joseph C. S. 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).

  • Pleating machine for dual fluted shade
    Patent number: 5151151
    Abstract: A pleating machine for dual fluted shades consisting of a pair of cooperating sets of pleating conveyors closely adjacent and flanking a sealing device that joins the two resulting pleated webs together by transversely fed attaching sheets.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: September 29, 1992
    Inventors: Jamee Kao, Joseph C. S. Hsu
  • Apparatus for making deep flute shade
    Patent number: 4890775
    Abstract: A pleating machine with two engaging pleat forming chain conveyors, one with forming rollers and the other with forming plates both directly mounted on special links in the chains.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: January 2, 1990
    Inventors: Jamee Kao, Joseph C. S. Hsu