Patents by Inventor Su Tseng

Su Tseng 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).

  • Air brake system for a vehicle
    Patent number: 5230609
    Abstract: An air brake system for a vehicle including a valve disposed between a fuel tank and a fuel pump and a cylinder of an engine for switching fuel flow from the fuel pump to either the fuel tank or the cylinder, another valve coupled between the cylinder and the air tank for supplying pressurized air from the cylinder to the air tank, the other valve being closed when fuel flows into the cylinder and opened in order to introduce the pressurized air to the air tank.
    Type: Grant
    Filed: February 4, 1992
    Date of Patent: July 27, 1993
    Inventors: Chei-Su Tseng, Lain-Chei Tseng
  • Illuminating umbrella handle
    Patent number: 4881154
    Abstract: An umbrella handle with a pivotable torch, in which two dry batteries are received on both sides of the umbrella shift. The wiring of the handle is such that when the torch is turned over a specific angle, it is switched on. This structure optimally utilize the available space and minimize the size of the handle.
    Type: Grant
    Filed: May 17, 1988
    Date of Patent: November 14, 1989
    Inventors: Su Tseng, Wan S. Chien