Patents by Inventor Tage Tang

Tage Tang 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).

  • Ball valve faucet
    Patent number: 5740836
    Abstract: A mixing valve has a cartridge assembly that includes a ball valve with a control stem for adjusting the movable ball valve for controlling the flow rate and temperature mix of the mixed water. The ball valve has a pin extending therethrough that is received in vertically extending slots and in a cartridge housing member. The pin is press fitted int the ball valve to prevent the ball from falling out the lower open end of the cartridge.
    Type: Grant
    Filed: April 4, 1997
    Date of Patent: April 21, 1998
    Assignee: Masco Corporation
    Inventor: Tage Tang