Patents by Inventor Young-Yeal Kwak

Young-Yeal Kwak 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).

  • Grille controlling apparatus for indoor ventilator
    Patent number: 6659359
    Abstract: Disclosed is a grille controlling apparatus for an indoor ventilator that senses an indoor temperature in a building such that it can control the operation of the grille mounted on the indoor ventilator.
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: December 9, 2003
    Inventor: Young-Yeal Kwak
  • Grille controlling apparatus for indoor ventilator
    Publication number: 20030157883
    Abstract: Disclosed is a grille controlling apparatus for an indoor ventilator that senses an indoor temperature in a building such that it can control the operation of the grille mounted on the indoor ventilator.
    Type: Application
    Filed: February 28, 2002
    Publication date: August 21, 2003
    Inventor: Young-Yeal Kwak