Patents by Inventor Fwu Tsay

Fwu Tsay 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).

  • Structure of a quick connector
    Patent number: 5401000
    Abstract: A quick connector including a pipe connector at one end and a connecting tube at an opposite end, a slide valve received inside the connecting tube and supported on a conical spring to block up the air passage way through the connecting tube, wherein when a matching male connector is inserted into the connecting tube, the slide valve is moved backwards to open the air passage way permitting a gas to pass from the pipe connector out of the connecting tube through the slide valve.
    Type: Grant
    Filed: January 5, 1994
    Date of Patent: March 28, 1995
    Inventor: Fwu Tsay
  • Pushup exercise stand
    Patent number: D354100
    Type: Grant
    Filed: July 26, 1993
    Date of Patent: January 3, 1995
    Inventors: Fwu Tsay, Shiun-Fang Zhang