Patents by Inventor Kum Sik Choi

Kum Sik Choi 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).

  • SHIP BALLAST WATER TREATMENT SYSTEM
    Publication number: 20150291459
    Abstract: A ship ballast water treatment system includes: an ozone bubble unit provided inside a conduit through which ballast water flows, for turning supplied ozone into bubbles; a flow channel for ozone supply having a side part thereof connected to the ozone bubble unit so as to supply ozone to the ozone bubble unit; and a sea water pumping unit which is provided in the conduit, and to a side part of which the ozone bubble unit is coupled, and which pumps ballast water in the conduit into the ozone bubble unit.
    Type: Application
    Filed: November 7, 2012
    Publication date: October 15, 2015
    Inventors: Kum Sik Choi, Young Man Lee
  • SHIP BALLAST WATER TREATMENT SYSTEM
    Publication number: 20150274560
    Abstract: A ship ballast water treatment system includes: an ozone bubble unit provided inside a conduit through which ballast water flows, for turning supplied ozone into bubbles; a flow channel for sea water supply, which is a separate line not diverging from the conduit, and a side part of which is connected to the ozone bubble unit so as to supply sea water to the ozone bubble unit; and a sea water pumping unit provided in the flow channel for sea water supply, for pumping sea water into the ozone bubble unit.
    Type: Application
    Filed: November 7, 2012
    Publication date: October 1, 2015
    Applicant: SUNBO INDUSTRIES CO., LTD.
    Inventors: Kum Sik Choi, Young Man Lee