Patents by Inventor Tien-Kuei Hsu

Tien-Kuei Hsu 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).

  • Combination of driving tool and chuck key
    Publication number: 20080088098
    Abstract: A chuck locking and unlocking assembly includes a chuck key which has a shank with a tapered toothed surface defined in a first end thereof and a connection end is connected to a second end of the shank. A driving tool has a handle and a head in which a cooperation member is rotatably connected. The cooperation member is removably connected to the connection end of the chuck key and the user rotates the handle of the driving tool to rotate the chuck key so as to lock or release the bit clamp by the chuck.
    Type: Application
    Filed: April 4, 2007
    Publication date: April 17, 2008
    Inventor: Tien Kuei Hsu
  • Wind-shield wiper
    Patent number: D501819
    Type: Grant
    Filed: May 18, 2004
    Date of Patent: February 15, 2005
    Assignee: Yuan Lueh Co., Ltd.
    Inventor: Tien-Kuei Hsu
  • Windshield wiper
    Patent number: D494527
    Type: Grant
    Filed: August 14, 2003
    Date of Patent: August 17, 2004
    Assignee: Yuan Lueh Co., Ltd.
    Inventor: Tien-Kuei Hsu