Patents by Inventor Wook Yoon

Wook 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).

  • Lumbar support seat
    Patent number: 8960799
    Abstract: A lumbar support seat is disclosed for supporting lumbar vertebra portion, which stably supports the lumbar vertebra portion and the pelvis portion so as to maintain proper posture and comfortable sitting. The lumbar support seat includes a seat main body having an upper central portion that is curvedly indented so as to correspond to the shape of pelvis portion; a lumbar supporting die including fixing frames fixed at the upper portion of the rear end of the seat main body, and a base plate for supporting lumbar vertebra portion. The pelvis portion is supported via the seat main body and the lumbar vertebra portion is stably supported via the lumbar supporting die. The lumbar support seat helps a user to sit with proper and comfortable posture.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: February 24, 2015
    Assignee: Wook Yoon
    Inventor: Wook Yoon
  • LUMBAR SUPPORT SEAT
    Publication number: 20130043707
    Abstract: A lumbar support seat is disclosed for supporting lumbar vertebra portion, which stably supports the lumbar vertebra portion and the pelvis portion so as to maintain proper posture and comfortable sitting. The lumbar support seat includes a seat main body having an upper central portion that is curvedly indented so as to correspond to the shape of pelvis portion; a lumbar supporting die including fixing frames fixed at the upper portion of the rear end of the seat main body, and a base plate for supporting lumbar vertebra portion. The pelvis portion is supported via the seat main body and the lumbar vertebra portion is stably supported via the lumbar supporting die. The lumbar support seat helps a user to sit with proper and comfortable posture.
    Type: Application
    Filed: March 30, 2012
    Publication date: February 21, 2013
    Applicant: FORVIC INTERNATIONAL INC.
    Inventor: Wook Yoon
  • Composition for action of resist-fire and fire-extinguishing
    Publication number: 20070090322
    Abstract: The present invention relates to a composition for fire-resisting and fire-extinguishing with pro-environmental characteristic. More composition comprising monobasic sodium phosphate, dibasic ammonium phosphate, borax, boric acid, olyoxyalkylated alkyl phosphoric acid ester and water.
    Type: Application
    Filed: November 24, 2004
    Publication date: April 26, 2007
    Inventor: Wook Yoon