Patents by Inventor Nai-Pin Lu

Nai-Pin Lu 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).

  • Barbecue tool assembly
    Patent number: 6049947
    Abstract: A barbecue tool device comprises a handle with a lateral orifice for engagingly receiving a locking device and one or more tool metal heads having a shank slidable movable in the handle. The shanks of tool metal head comes with a pair of side walls having two or more notches each. The locking device includes a pair of catches engagingly received in the orifices and a spring sitting between the two catches for pushing the catches into the notches of the shank to be locked with the handle, the catches have a slot each for receiving the side walls of the shank and allowing the tool metal head to travel freely in the handle. The tool device may consist of a number of tool metal heads having a shank for selectively engaging with the handle when required.
    Type: Grant
    Filed: August 31, 1998
    Date of Patent: April 18, 2000
    Inventor: Nai-Pin Lu
  • Universal handle
    Patent number: D380345
    Type: Grant
    Filed: April 10, 1996
    Date of Patent: July 1, 1997
    Inventor: Nai-Pin Lu