Patents by Inventor Eric-Chi Hsu

Eric-Chi 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).

  • Automatic filter tip attaching machine
    Patent number: 6336896
    Abstract: An automatic filter tip attaching machine includes a mechanical structure moved by a computer program to automatically attach three filter tip stages a, b, c to cigarettes, with a chemical powder filled in the filter tip b to absorb nicotine and tar completely from cigarette smoke.
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: January 8, 2002
    Inventors: Chieh-Hsueh Hsu, Chung-Yeh Hsu, Eric-Chi Hsu, Yie-Yeh Hsu