Patents by Inventor Chan-Min Jung

Chan-Min Jung 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: 10780548
    Abstract: Disclosed is a surface plate cleaning apparatus which cleans the surfaces of surface plates having grooves. The surface plate cleaning apparatus includes an injection unit including an injection head, and at least one first injection nozzle and at least one second injection nozzle, and a moving unit configured to move the injection unit, the at least one first injection nozzle includes a first injection hole to inject a first cleaning solution, the at least one second injection nozzle includes a second injection hole to inject a second cleaning solution, a first separation distance from the upper surface of the injection head to the first injection hole and a second separation distance from the upper surface of the injection head to the second injection hole are different, and a first injection angle of the first cleaning solution and a second injection angle of the second cleaning solution are different.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: September 22, 2020
    Assignee: SK Siltron Co., Ltd.
    Inventor: Chan Min Jung
  • Publication number: 20180147691
    Abstract: Disclosed is a surface plate cleaning apparatus which cleans the surfaces of surface plates having grooves. The surface plate cleaning apparatus includes an injection unit including an injection head, and at least one first injection nozzle and at least one second injection nozzle, and a moving unit configured to move the injection unit, the at least one first injection nozzle includes a first injection hole to inject a first cleaning solution, the at least one second injection nozzle includes a second injection hole to inject a second cleaning solution, a first separation distance from the upper surface of the injection head to the first injection hole and a second separation distance from the upper surface of the injection head to the second injection hole are different, and a first injection angle of the first cleaning solution and a second injection angle of the second cleaning solution are different.
    Type: Application
    Filed: July 25, 2017
    Publication date: May 31, 2018
    Inventor: Chan Min JUNG
  • Patent number: D607324
    Type: Grant
    Filed: October 23, 2008
    Date of Patent: January 5, 2010
    Inventors: Hun Cho, Jeong-Hoon Cha, Chan-Min Jung, Byong-Wook Jung