Patents by Inventor Chien-Chang Lu

Chien-Chang 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).

  • Patent number: 6508167
    Abstract: A rotatable broiling driver includes a positioning plate, an accommodating member, a transmitting member, a motor, a battery base, and an outer cover. The accommodating member is provided with a changeover switch. The transmitting member has one end formed with an insert groove for a spit to be inserted therein and the other end receiving the spindle of the motor. The battery base has an electric wire respectively connected with the motor and the changeover switch. In using, after the broiling driver is assembled with a broiler and the spit inserted in the transmitting member, press the change-over switch to an ON position to start the motor to let its spindle drive the transmitting member rotate together with the spit to carry out broiling, having a small size to be carried about conveniently and applicable to any site.
    Type: Grant
    Filed: August 22, 2002
    Date of Patent: January 21, 2003
    Inventor: Chien-Chang Lu
  • Patent number: 6439111
    Abstract: A collapsible barbecue grill in the present invention includes a body in a box shape capable of being pivoted with two side plates respectively disposed at both side walls thereof and a cover plate disposed at a rear wall thereof, each of the two side plates provided with a plurality of engagement grooves; a plurality of positioning members capable of being screwed with the cover plate for connecting the two side plates and the cover plate when the body is extended; and, a supporting frame capable of being placed across the two side plates of the body for supporting a grid member, by which a combination of the aforementioned components enables the barbecue grill of the present invention to be quickly extended in use or folded into a reduced dimension for the convenience of carrying and storage only occupied with minimal space.
    Type: Grant
    Filed: February 7, 2002
    Date of Patent: August 27, 2002
    Inventor: Chien-Chang Lu
  • Patent number: D301994
    Type: Grant
    Filed: April 2, 1987
    Date of Patent: July 4, 1989
    Assignee: Saint Island International Patent & Law Offices
    Inventor: Chien-Chang Lu