Patents by Inventor Hwa Hyoung Lee

Hwa Hyoung 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).

  • Gas adsorbing and sound absorbing composite structure of activated charcoal-wooden material composites for improving indoor air quality and removing radon gas, and manufacturing method thereof
    Patent number: 9278304
    Abstract: This invention is about an activated charcoal-wooden composites or charcoal-wooden composites and its manufacturing method, which is composed of fancy natural veneered wooden material as a surface layer, activated charcoal board or charcoal board as a central layer and wooden material with round boring holes as a back layer, and especially, which contains both the lined grooves of the surface layer and the round boring holes perforated through the back layer, and also in the function, the activated charcoal-wooden composites or charcoal-wooden composites takes the hidden gas adsorbing room in one or above of each layer, through which many gases can be adsorbed into either one or both sides of the central layer, that is, the above hidden gas adsorbing room can not only adsorb radon gas which comes from the ground or wall of building itself, but also can simultaneously adsorb various harmful gases indoors.
    Type: Grant
    Filed: October 22, 2012
    Date of Patent: March 8, 2016
    Inventor: Hwa Hyoung Lee
  • Gas Adsorbing and Sound Absorbing Composite Structure of Activated Charcoal-Wooden Material Composites for Improving Indoor Air Quality and Removing Radon Gas, and Manufacturing Method Thereof
    Publication number: 20140298997
    Abstract: This invention is about an activated charcoal-wooden composites or charcoal-wooden composites and its manufacturing method, which is composed of fancy natural veneered wooden material as a surface layer, activated charcoal board or charcoal board as a central layer and wooden material with round boring holes as a back layer, and especially, which contains both the lined grooves of the surface layer and the round boring holes perforated through the back layer, and also in the function, the activated charcoal-wooden composites or charcoal-wooden composites takes the hidden gas adsorbing room in one or above of each layer, through which many gases can be adsorbed into either one or both sides of the central layer, that is, the above hidden gas adsorbing room can not only adsorb radon gas which comes from the ground or wall of building itself, but also can simultaneously adsorb various harmful gases indoors.
    Type: Application
    Filed: October 22, 2012
    Publication date: October 9, 2014
    Inventor: Hwa Hyoung Lee