Patents by Inventor Byung wook Heo

Byung wook Heo 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: 8281534
    Abstract: A built-up beam fabricated a plurality of profiled steel plates is disclosed. The built-up beam includes a first lower profiled steel plate including a bottom portion, a side-vertical portion bent upwardly and vertically from one lateral edge of the bottom portion, a supporting portion bent horizontally from an upper end of the side-vertical portion, and a first center-vertical portion bent vertically and upwardly from the other lateral edge of the bottom portion. A second lower profiled steel plate is arranged symmetrically about the first center-vertical portion of the first lower profiled steel plate and connected to the first lower profiled steel plate. The second lower profiled steel plate has a cross-section symmetrical or asymmetrical to the first lower profiled steel plate.
    Type: Grant
    Filed: November 7, 2008
    Date of Patent: October 9, 2012
    Assignee: Korea Institute of Construction Technology
    Inventors: Kyu woong Bae, Byung wook Heo
  • Publication number: 20110247297
    Abstract: A built-up beam fabricated a plurality of profiled steel plates is disclosed. The built-up beam includes a first lower profiled steel plate including a bottom portion, a side-vertical portion bent upwardly and vertically from one lateral edge of the bottom portion, a supporting portion bent horizontally from an upper end of the side-vertical portion, and a first center-vertical portion bent vertically and upwardly from the other lateral edge of the bottom portion. A second lower profiled steel plate is arranged symmetrically about the first center-vertical portion of the first lower profiled steel plate and connected to the first lower profiled steel plate. The second lower profiled steel plate has a cross-section symmetrical or asymmetrical to the first lower profiled steel plate.
    Type: Application
    Filed: November 7, 2008
    Publication date: October 13, 2011
    Inventors: Kyu woong Bae, Byung wook Heo