Patents by Inventor Lin Fu-Hui

Lin Fu-Hui 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: 6308599
    Abstract: A screwdriver assembly includes a hollow casing in which a tool body is pivotally received therein and a bit receiving member is rotatably received in the casing. A plurality of dimples defined in an inside of the casing and a boss extends from the tool body so that the boss is engaged with one of the dimples when rotating the tool body. An opening is defined in a periphery of the casing so that the tool body can be pivoted out from the casing via the opening. An access hole is defined through the casing so as to pick a bit in the bit receiving member and engaged with an engaging recess in the tool body.
    Type: Grant
    Filed: September 11, 2000
    Date of Patent: October 30, 2001
    Inventor: Lin Fu-Hui
  • Patent number: 6151998
    Abstract: A handle structure for a screwdriver includes a first handle having a passage defined therein and a second handle is received in the passage. A positioning device is located in the passage so as to secure the second handle in position. A shank extends from the first handle. The second handle has a neck portion extending therefrom. The neck portion has an engaging hole so as to engage with a bit.
    Type: Grant
    Filed: November 15, 1999
    Date of Patent: November 28, 2000
    Inventor: Lin Fu-Hui
  • Patent number: D436306
    Type: Grant
    Filed: January 24, 2000
    Date of Patent: January 16, 2001
    Inventor: Lin Fu-Hui
  • Patent number: D429983
    Type: Grant
    Filed: March 8, 1999
    Date of Patent: August 29, 2000
    Inventor: Lin Fu-Hui