Patents by Inventor Myung Oh Yoon

Myung Oh Yoon 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).

  • System for automatically measuring piling results in a piling operation
    Patent number: 5303162
    Abstract: A system for automatically measuring piling results of a piling operation. The system comprises a pile numbering unit, an operational date setting unit, a reference sinking amount setting unit, an average times of hammering setting unit, a stop signal generating unit, a start signal generating unit, a pile sinking displacement measuring unit, a pile perpendicularity detecting unit, a hammering sound detecting unit, a central processing unit, a data printer, a signal display, an informing speaker, a pile perpendicularity display, and a measuring arm for mounting the pile sinking displacement measuring unit and the pile perpendicularity detecting unit.
    Type: Grant
    Filed: November 12, 1991
    Date of Patent: April 12, 1994
    Assignee: Korea National Housing Corporation
    Inventor: Myung Oh Yoon