Patents by Inventor Yun Yeol SEO

Yun Yeol 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).

  • Molten iron refining method and device thereof
    Patent number: 10077482
    Abstract: Provided are a molten metal refining device and method. The molten metal refining method includes: preparing molten metal; dipping an impeller into the molten metal; supplying a liquid dephosphorization agent on top of the molten metal; and stirring the molten metal by rotating the impeller, wherein a solid dephosphorization agent in a powder state is supplied through the lower portion of the impeller in the stirring of the molten metal, thereby improving the stirring efficiency of the molten metal and efficiently controlling the phosphorus concentration in the molten metal.
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: September 18, 2018
    Assignee: POSCO
    Inventors: Jung Ho Park, Soo Chang Kang, Jin Kyu Chun, Yun Yeol Seo
  • MOLTEN IRON REFINING METHOD AND DEVICE THEREOF
    Publication number: 20160186277
    Abstract: Provided are a molten metal refining device and method. The molten metal refining method includes: preparing molten metal; dipping an impeller into the molten metal; supplying a liquid dephosphorization agent on top of the molten metal; and stirring the molten metal by rotating the impeller, wherein a solid dephosphorization agent in a powder state is supplied through the lower portion of the impeller in the stirring of the molten metal, thereby improving the stirring efficiency of the molten metal and efficiently controlling the phosphorus concentration in the molten metal.
    Type: Application
    Filed: September 25, 2013
    Publication date: June 30, 2016
    Inventors: Jung Ho PARK, Soo Chang KANG, Jin Kyu CHUN, Yun Yeol SEO