Patents by Inventor Keon Su PARK

Keon Su PARK 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: 10052638
    Abstract: A method of recycling a filler included in artificial turf by sorting the filler into two or more materials, including: a first sorting operation of sorting the two or more materials based on a grain size; and a second sorting operation of sorting the materials, which are sorted by the first sorting operation and have grain sizes belonging to a predetermined range, based on specific gravity.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: August 21, 2018
    Assignees: KOLONGLOTECH, INC, SUNGWON RECYCLE CO., LTD.
    Inventors: Keon Su Park, Young Hoon Kwon, Kwang Su Cho, Kyoung Rok Kong, Ji Young Jang
  • Patent number: 9789491
    Abstract: A method of recycling a filler included in artificial turf by sorting the filler into two or more materials, including: a first sorting operation of sorting the two or more materials based on a grain size; and a second sorting operation of sorting the materials, which are sorted by the first sorting operation and have grain sizes belonging to a predetermined range, based on specific gravity.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: October 17, 2017
    Assignees: KOLONGLOTECH. INC, SUNGWON RECYCLE CO., LTD.
    Inventors: Keon Su Park, Young Hoon Kwon, Kwang Su Cho, Kyoung Rok Kong, Ji Young Jang
  • Publication number: 20170087560
    Abstract: A method of recycling a filler included in artificial turf by sorting the filler into two or more materials, including: a first sorting operation of sorting the two or more materials based on a grain size; and a second sorting operation of sorting the materials, which are sorted by the first sorting operation and have grain sizes belonging to a predetermined range, based on specific gravity.
    Type: Application
    Filed: December 12, 2016
    Publication date: March 30, 2017
    Inventors: Keon Su PARK, Young Hoon KWON, Kwang Su CHO, Kyoung Rok KONG, Ji Young JANG
  • Publication number: 20160256875
    Abstract: A method of recycling a filler included in artificial turf by sorting the filler into two or more materials, including: a first sorting operation of sorting the two or more materials based on a grain size; and a second sorting operation of sorting the materials, which are sorted by the first sorting operation and have grain sizes belonging to a predetermined range, based on specific gravity.
    Type: Application
    Filed: March 28, 2014
    Publication date: September 8, 2016
    Inventors: Keon Su PARK, Young Hoon KWON, Kwang Su CHO, Kyoung Rok KONG, Ji Young JANG