Patents by Inventor Yeong Cheol CHO

Yeong Cheol CHO 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).

  • Publication number: 20240344330
    Abstract: Provided relates to a precast-concrete stairway room construction method for constructing a stairway room with one coupling operation by manufacturing the stairway room to have a structure formed by vertically dividing the stairway room into left and right sides, wherein the construction method comprises: a mold preparing step (S10); a rebar arranging step (S20); a concrete placing and curing step (S30); a divided structure manufacturing step (S40); a structure attaching step (S50); and a structure bonding step (S60).
    Type: Application
    Filed: October 18, 2022
    Publication date: October 17, 2024
    Inventors: Yeong Cheol CHO, Kwang Joon YOO, Byung Min HAN