Patents by Inventor Chun-Hui Lu

Chun-Hui Lu 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).

  • Disposal sterile syringe with retractable taper
    Patent number: 6884236
    Abstract: A disposable sterile syringe with retractable taper; wherein, its lower needle lock inserted into injection way via the through hole in the lower needle lock, the needle lock being place and secured in the barrel by having the locking nipple on the upper edge of the lower needle lock and the locking nipple on the lower needle lock respectively engaged to the flange of the lower needle lock and the scalene cone on the upper needle lock; the taper being secured to the upper needle lock; and the plunger being inserted into the barrel.
    Type: Grant
    Filed: April 16, 2004
    Date of Patent: April 26, 2005
    Inventor: Chun-Hui Lu