Patents by Inventor Sung Guck LEE

Sung Guck LEE 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).

  • Patent number: 10442039
    Abstract: Disclosed is a method for producing a cylindrical membrane wall including a plurality of tubes having a coolant passing through an inner part thereof. The method includes producing a plurality of sub-bundles by welding a plurality of tubes to each other after longitudinally arranging the tubes to be adjacent to each other in parallel, producing a plurality of panel-type bundles by welding the sub-bundles to each other, forming a plurality of curved bundles having a curved surface of a predetermined curvature by pressing the panel-type bundles, and welding the curved bundles to each other using a jig.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: October 15, 2019
    Assignee: Doosan Heavy Industries Construction Co., Ltd
    Inventors: Won Heo, Young Jin Ju, Sung Ku Park, Min Su Paek, Sung Guck Lee
  • Publication number: 20160175999
    Abstract: Disclosed is a method for producing a cylindrical membrane wall including a plurality of tubes having a coolant passing through an inner part thereof. The method includes producing a plurality of sub-bundles by welding a plurality of tubes to each other after longitudinally arranging the tubes to be adjacent to each other in parallel, producing a plurality of panel-type bundles by welding the sub-bundles to each other, forming a plurality of curved bundles having a curved surface of a predetermined curvature by pressing the panel-type bundles, and welding the curved bundles to each other using a jig.
    Type: Application
    Filed: December 4, 2013
    Publication date: June 23, 2016
    Applicant: DOOSAN HEAVY INDUSTRIES & CONSTRUCTION CO., LTD.
    Inventors: Won HEO, Young Jin JU, Sung Ku PARK, Min Su PAEK, Sung Guck LEE