Patents by Inventor Ui-Son Hwang

Ui-Son Hwang 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).

  • Water treatment apparatus and sterilizing and cleansing method thereof
    Patent number: 10266441
    Abstract: A water treatment apparatus capable of sterilizing a storage tank and a sterilizing and cleansing method thereof are disclosed. The water treatment apparatus includes: a filter unit purifying raw water; a storage tank connected to the filter unit and storing purified water which has been filtered through the filter unit; an electrolytic sterilizer installed between the filter unit and the storage tank, electrolyzing only purified water which has been filtered through at least a portion of the filter unit to generate sterilization water, and supplying the sterilization water to the storage tank; a drain unit connected to the storage tank and discharging water accommodated in the storage tank; and a control unit controlling a water purification mode of the filter unit and a sterilization mode through the electrolytic sterilizer and the drain unit.
    Type: Grant
    Filed: May 19, 2011
    Date of Patent: April 23, 2019
    Assignee: Coway Co., Ltd
    Inventors: Soo-Young Lee, Jung-Gyu Jang, Ui-Son Hwang, Claude Kwon, Jung-Hwan Lee, Chul-Ho Kim, Min-Suk Chang, In-Gyue Choi
  • WATER TREATMENT APPARATUS AND WATER TREATMENT METHOD USING THE SAME
    Publication number: 20130277222
    Abstract: A water treatment apparatus is provided. In the water treatment apparatus, a filter unit includes a first electrochemical filter and a second electrochemical filter for filtering raw water. A control unit drives the first electrochemical filter and the second electrochemical filter. The first electrochemical filter and the second electrochemical filter are installed in parallel. The control unit controls the second electrochemical filter to perform a water purifying operation when the first electrochemical filter needs to be recycled.
    Type: Application
    Filed: December 29, 2011
    Publication date: October 24, 2013
    Applicant: COWAY CO., LTD.
    Inventors: Claude Kwon, Young-Gun Cho, Soon-Ho Lim, Hyoung-Min Moon, Soo-Young Lee, Ui-Son Hwang
  • WATER TREATMENT APPARATUS AND STERILIZING AND CLEANSING METHOD THEREOF
    Publication number: 20130062219
    Abstract: A water treatment apparatus capable of sterilizing a storage tank and a sterilizing and cleansing method thereof are disclosed. The water treatment apparatus includes: a filter unit purifying raw water; a storage tank connected to the filter unit and storing purified water which has been filtered through the filter unit; an electrolytic sterilizer installed between the filter unit and the storage tank, electrolyzing only purified water which has been filtered through at least a portion of the filter unit to generate sterilization water, and supplying the sterilization water to the storage tank; a drain unit connected to the storage tank and discharging water accommodated in the storage tank; and a control unit controlling a water purification mode of the filter unit and a sterilization mode through the electrolytic sterilizer and the drain unit.
    Type: Application
    Filed: May 19, 2011
    Publication date: March 14, 2013
    Inventors: Soo-Young Lee, Jung-Gyu Jang, Ui-Son Hwang, Claude Kwon, Jung-Hwan Lee, Chul-Ho Kim, Min-Suk Chang, In-Gyue Choi