Patents by Inventor Dong Sub An

Dong Sub An 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).

  • Cutting insert
    Patent number: 10493535
    Abstract: The present disclosure relates to a cutting insert. The cutting insert according to the exemplary embodiment of the present disclosure has a dot formed between a main cutting edge and a chip breaker, and the dot has a bridge formed between the main cutting edges. Therefore, a chip, which is produced during a cutting process, may come into contact with three points on a main cutting edge land portion, the bridge, and the dot. The chip may discharge heat generated from the cutting insert while the chip comes into contact with the three points.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: December 3, 2019
    Assignee: KORLOY INC
    Inventors: Dong Sub An, Sung Hun Kim, Hyo San Kim, Sang Ho Lim, Young Heum Kim
  • CUTTING INSERT
    Publication number: 20190009345
    Abstract: The present disclosure relates to a cutting insert. The cutting insert according to the exemplary embodiment of the present disclosure has a dot formed between a main cutting edge and a chip breaker, and the dot has a bridge formed between the main cutting edges. Therefore, a chip, which is produced during a cutting process, may come into contact with three points on a main cutting edge land portion, the bridge, and the dot. The chip may discharge heat generated from the cutting insert while the chip comes into contact with the three points.
    Type: Application
    Filed: September 22, 2016
    Publication date: January 10, 2019
    Applicant: KORLOY INC
    Inventors: Dong Sub An, Sung Hun Kim, Hyo San Kim, Sang Ho Lim, Young Heum Kim
  • Tool holder for grooving machine tool
    Patent number: D798924
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: October 3, 2017
    Inventors: Byung Hoon Min, Young Heum Kim, Sung Guen Shin, Dong Sub An, Hyo San Kim
  • Grooving insert
    Patent number: D805565
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: December 19, 2017
    Inventors: Byung Hoon Min, Sung Guen Shin, Dong Sub An, Hyo San Kim, Young Heum Kim
  • Grooving insert for a machine tool
    Patent number: D824438
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: July 31, 2018
    Inventors: Byung Hoon Min, Sung Guen Shin, Dong Sub An, Hyo San Kim, Young Heum Kim
  • Groove cutting tool
    Patent number: D837847
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: January 8, 2019
    Inventors: Byung Hoon Min, Sung Guen Shin, Dong Sub An, Hyo San Kim, Young Heum Kim