Patents by Inventor Daniel Wang

Daniel Wang 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).

  • Driving device for a milling machine
    Patent number: 5290136
    Abstract: A driving device for driving a head of a rod in a milling machine includes a board slidable up and down relative to the milling machine, a driving mechanism disposed on the board, a socket secured to the lower end of the driving mechanism and located above the head of the rod, a cylinder disposed on the bolt, a piston fixed on top of the bolt and slidably engaged in the cylinder. The socket is engaged with the head of the rod when the board and the driving mechanism are moved downward by the cylinder.
    Type: Grant
    Filed: January 19, 1993
    Date of Patent: March 1, 1994
    Inventor: Daniel Wang
  • Keyboard
    Patent number: D372911
    Type: Grant
    Filed: September 6, 1995
    Date of Patent: August 20, 1996
    Inventors: Daniel Wang, Kuo-an Chen