Patents by Inventor Kao Chin Lung

Kao Chin Lung 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).

  • Spherical cutter and cutter holder arrangement
    Patent number: 6163965
    Abstract: A spherical cutter and cutter holder arrangement, which includes a cutter holder and a spherical cutter mounted in a longitudinal mounting slot at the cutter holder and fixed thereto by a screw, wherein the spherical cutter has a first cutter layer and a second cutter layer, each cutter layer having a plurality of cutting edges spaced around the periphery, and a plurality of plane notches respectively spaced between each two adjacent cutting edges, the cutting edges of one cutter layer being respectively arranged with the plane notches of the other cutter layer at same azimuth, the cutting edges and the plane notches each having a head portion and a tail portion, the head portion and tail portion of one cutting edge of one cutter layer being respectively connected to the tail portion and head portion of one cutting edge of the other cutter layer, the head portion and tail portion of every plane notch of one cutter layer being respectively connected to the tail portion of one plane notch of the other cutter la
    Type: Grant
    Filed: August 11, 1999
    Date of Patent: December 26, 2000
    Assignee: Kova Carbide Tools Co., Ltd.
    Inventor: Kao Chin Lung