Patents by Inventor Chie Chen

Chie Chen 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).

  • Gene injection instrument nozzle
    Publication number: 20050177098
    Abstract: The nozzle of a gene injection gun is lined inside with a conduit, which has a narrow throat. The throat has a convergent inlet and a divergent outlet. Compressed gas is fed from the inlet, and accelerates to supersonic speed in the throat region. Liquid drug is released to the throat region as droplets, and carried by the accelerated gas flow toward the outlet of the muzzle for injection into a biological body.
    Type: Application
    Filed: February 11, 2004
    Publication date: August 11, 2005
    Inventors: Haojan Lin, Chie Chen