Patents by Inventor Kanghee Ko

Kanghee Ko 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).

  • Heating furnace for press hardening process
    Patent number: 8142712
    Abstract: A heating furnace according to an embodiment of the present invention includes: a furnace body that has an inlet at the upper portion through which a steel sheet blank is inserted from a wound coil and an outlet at the lower portion through which the steel sheet blank is discharged, and has a cylindrical structure having a space for conveying the steel sheet blank; a conveyer that is spirally disposed on the inner circumference of the furnace body and sequentially conveys the steel sheet blank from the inlet at the upper portion and the outlet at the lower portion; and a clamping means that is disposed at one side of the conveyer and selectively clamps the steel sheet blank.
    Type: Grant
    Filed: November 29, 2010
    Date of Patent: March 27, 2012
    Assignee: Hyundai Steel Company
    Inventors: Kanghee Ko, Chisang Yoon, Soonyong Kwon
  • HEATING FURNACE FOR PRESS HARDENING PROCESS
    Publication number: 20110068518
    Abstract: A heating furnace according to an embodiment of the present invention includes: a furnace body that has an inlet at the upper portion through which a steel sheet blank is inserted from a wound coil and an outlet at the lower portion through which the steel sheet blank is discharged, and has a cylindrical structure having a space for conveying the steel sheet blank; a conveyer that is spirally disposed on the inner circumference of the furnace body and sequentially conveys the steel sheet blank from the inlet at the upper portion and the outlet at the lower portion; and a clamping means that is disposed at one side of the conveyer and selectively clamps the steel sheet blank.
    Type: Application
    Filed: November 29, 2010
    Publication date: March 24, 2011
    Applicant: HYUNDAI STEEL COMPANY
    Inventors: Kanghee Ko, Chisang Yoon, Soonyong Kwon