Patents Assigned to C. S. Kim and Associates
  • Pile apparatus and construction process of placing concrete pile in ground
    Patent number: 6592300
    Abstract: A concrete pile construction method and an apparatus used for improving soft earth ground by constructing reinforced bar concrete pile structures in the earth. The purpose of the present invention is to provide a process for securing firm concrete piles having a reinforced bar core with uniform concrete by a pile apparatus in which projections are radially formed and a conical-shaped bit is formed pointedly on the pile apparatus.
    Type: Grant
    Filed: November 27, 2001
    Date of Patent: July 15, 2003
    Assignee: C. S. Kim and Associates
    Inventors: Won-Hoi Yang, Ho-Sang Lee