Patents by Inventor Kyoung Hwan SUNG

Kyoung Hwan SUNG 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).

  • Publication number: 20230202891
    Abstract: Disclosed are a wastewater filtering method and apparatus comprising filter media of different sizes. According to one aspect of the present embodiment, provided a wastewater filtering method and apparatus capable of stable and efficient operation by minimizing the head loss as well as simultaneously removing organic matter and solids in a large flow of wastewater.
    Type: Application
    Filed: March 23, 2021
    Publication date: June 29, 2023
    Inventors: Dae Hwan RHU, Bong Choel CHOI, Chun Woo LEE, Yong Joon YUNE, Jong Goo KIM, Byung Suk LEE, Kyoung Hwan SUNG