Patents by Inventor Hsuan-Sen Hsiao

Hsuan-Sen Hsiao 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: 6199998
    Abstract: A driving tool includes a handle, a drive shaft, and a torch. The handle has a tubular outer casing and a transparent front cap mounted integrally and securely on a front end portion of the outer casing so as to establish a watertight seal therewith. The outer casing confines a receiving chamber with a rear opening, and has an internally threaded rear end portion. The drive shaft is fixed to the front cap, and extends forwardly therefrom.
    Type: Grant
    Filed: May 7, 1999
    Date of Patent: March 13, 2001
    Inventor: Hsuan-Sen Hsiao
  • Patent number: 5510962
    Abstract: A screwdriver having a lamp holder mounted at one end of the handle around the driving shank, and a lamp and battery assembly mounted within a recessed hole on the lamp holder, wherein the lamp is turned on to give off light when the lamp and battery assembly is depressed, or turned off when the lamp and battery assembly is released from the hand.
    Type: Grant
    Filed: March 10, 1995
    Date of Patent: April 23, 1996
    Inventor: Hsuan-Sen Hsiao
  • Patent number: D440479
    Type: Grant
    Filed: March 22, 2000
    Date of Patent: April 17, 2001
    Inventor: Hsuan-Sen Hsiao