Patents by Inventor Bon-Hyoung Koo

Bon-Hyoung Koo 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).

  • Method and apparatus for a loading test of a pile using a self-repulsive force
    Patent number: 5282701
    Abstract: The present invention relates to a method and an apparatus for a loading test of a pile using a self-repulsive force. The loading test is separately performed in two stages, a first stage to estimate the ultimate peripheral skin friction force and a second stage to estimate the ultimate tip end bearing capacity. The loading test apparatus of the present invention has simple construction capable of reusing, which results in carrying out the loading test with ease and in cost effective manner.
    Type: Grant
    Filed: March 12, 1992
    Date of Patent: February 1, 1994
    Assignee: Samsung Construction Co., Ltd.
    Inventors: Kyung-Han An, Myung-Whan Lee, Dae-Young Kim, Bon-Hyoung Koo, Sung-Jin Yoon