Patents Assigned to Moon-Ki Cho
  • Water purification system and method
    Patent number: 6787043
    Abstract: A water purification system and method using an ionizer and an ozonation treatment for ionization, oxidation and/or decomposition of undegradeable contaminants is disclosed. A high electron-inducing voltage is first applied to the water in the ionizer so that undergradeable materials are ionized and/pr decomposed, then the water is mixed with ozone so the water is purified to be potable.
    Type: Grant
    Filed: September 30, 2002
    Date of Patent: September 7, 2004
    Assignee: Moon-Ki Cho
    Inventors: Moon-Ki Cho, Han-Young Kang
  • Method and apparatus for treating exhaust gas from vehicles
    Patent number: 6212883
    Abstract: A method and apparatus for treating exhaust gas produced from the combustion of fuels is disclosed. Pollutants such as unburnt hydrocarbons, carbon monoxides, oxides of nitrogen and oxides of sulfur are oxidized by ozone in an ozone contractor, and then resolved by water vapor in a muffler, so that they can be reduced.
    Type: Grant
    Filed: March 3, 2000
    Date of Patent: April 10, 2001
    Assignee: Moon-Ki Cho
    Inventor: Han-Yong Kang