Patents by Inventor Shu-Hua Liang

Shu-Hua Liang 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).

  • Publication number: 20080029076
    Abstract: An airsoft gun magazine allowing smooth, convenient, and efficient way to continuous drive the ratchet for fast delivering multiple projectiles including ball and paintball bullets one after another is comprised of an outer case containing an integrated magazine casings, and ratchet, dialer, coil spring, active gear, passive gear and deflection gear below the magazine casing; an inlet on top of the magazine casing and a guide channel extending up to its top; the revolving ratchet delivering torque energy to be stored in the coil spring to drive the dialer; an insertion hole disposed externally to the center of the ratchet and being incorporated to the magazine casing and exposed out of the outer case; and a key placed into the insertion hole to continuously drive the ratchet to revolve.
    Type: Application
    Filed: February 28, 2007
    Publication date: February 7, 2008
    Inventor: Shu-Hua Liang