Patents by Inventor Sun Chul SEO

Sun Chul SEO 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).

  • Patent number: 9844755
    Abstract: Disclosed is a separation membrane cartridge-cleaning apparatus for sewage treatment process. The apparatus conveniently cleans the separation membrane cartridges, thereby improving workability, as the separation membrane cartridges mounted within the membrane separation aerobic tank of the sewage treatment process are removed which have been contaminated while performing the solid-liquid separation of the contaminants contained in the sewage, and then the cartridges are separably mounted on the cartridge-cleaning apparatus of water mill type rotatably installed within the cleaning tank containing the cleaning liquid, and thereafter, the contaminated separation membrane cartridges are immersed in the cleaning liquid and the water and air are sprayed from filter-cleaning means above the cartridges to clean the cartridges.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: December 19, 2017
    Assignee: YONGJIN ENVIRONMENT CO., LTD.
    Inventors: Ki Hwan Chung, Sun Chul Seo
  • Publication number: 20150202573
    Abstract: Disclosed is a separation membrane cartridge-cleaning apparatus for sewage treatment process. The apparatus conveniently cleans the separation membrane cartridges, thereby improving workability, as the separation membrane cartridges mounted within the membrane separation aerobic tank of the sewage treatment process are removed which have been contaminated while performing the solid-liquid separation of the contaminants contained in the sewage, and then the cartridges are separably mounted on the cartridge-cleaning apparatus of water mill type rotatably installed within the cleaning tank containing the cleaning liquid, and thereafter, the contaminated separation membrane cartridges are immersed in the cleaning liquid and the water and air are sprayed from filter-cleaning means above the cartridges to clean the cartridges.
    Type: Application
    Filed: November 20, 2014
    Publication date: July 23, 2015
    Applicant: YONGJIN ENVIRONMENT CO., LTD.
    Inventors: Ki Hwan CHUNG, Sun Chul SEO