Patents by Inventor Yin-jun Huang

Yin-jun Huang 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).

  • Patent number: 5558395
    Abstract: An inflatable air cushion has an integrally formed extension tube of zig-zag form with its free end attached to another cushion or to a pump assembly for inflating the cushion. By separating the limbs of the zig-zag tube, the cushions, or the cushion and pump assembly can be spaced apart at different distances to suit different applications. The pump may include a pressure limiting chamber integrated therewith for limiting the maximum inflation pressure of the cushion. In a preferred embodiment, the inflatable air cushion is shaped to fit a bicycle saddle.
    Type: Grant
    Filed: July 29, 1994
    Date of Patent: September 24, 1996
    Inventor: Yin-jun Huang
  • Patent number: 5335382
    Abstract: An inflatable air cushion has an integrally formed extension tube of zig-zag form with its free end attached to another cushion or to a pump assembly for inflating the cushion. By separating the limbs of the zig-zag tube, the cushions, or the cushion and pump assembly can be spaced apart at different distances to suit different applications. The pump may include a pressure limiting chamber integrated therewith for limiting the maximum inflation pressure of the cushion.
    Type: Grant
    Filed: November 23, 1992
    Date of Patent: August 9, 1994
    Inventor: Yin-jun Huang