Patents by Inventor Shihn-Juh Liour

Shihn-Juh Liour 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).

  • Tipping device and method of producing medical catheters
    Patent number: 5547364
    Abstract: A tipping device and processing for medical catheters, the device including a pneumatic mechanism, two fixtures controlled by the pneumatic mechanism to hold two opposite ends of the catheter, a nozzle controlled to heat or cool down the catheter, and hydraulic cylinder controlled to pull the catheter during the heating. When the front part of the catheter is heated and pulled, the outer diameter of the front part of the catheter is gradually reduced toward the middle, then the catheter is cooled down and removed from the device and then cut into a tapered tip.
    Type: Grant
    Filed: October 19, 1994
    Date of Patent: August 20, 1996
    Assignee: Industrial Technology Research Institute
    Inventors: Chang-Ming Wong, Shihn-Juh Liour