Patents by Inventor Chieh-Hsueh Hsu

Chieh-Hsueh 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
  • Magnetism-sensitive lifter rotatable intermittently and dividing angles controlled by a computer
    Patent number: 6104268
    Abstract: A magnetism-sensitive lifter rotatable intermittently and dividing angles by a computer includes many permanent magnets and many induction silicon steel magnets to attract and repel one another, possible to rotate intermittently, divide angles equal and unequal and move up and down vertically by control of a computer.
    Type: Grant
    Filed: January 5, 2000
    Date of Patent: August 15, 2000
    Assignees: Chieh-Hsueh Hsu, Yi-Chien Lee
    Inventor: Chieh-Hsueh Hsu