Patents by Inventor Beom-Su Kwak

Beom-Su Kwak 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).

  • FILTER HAVING MULTILAYERED STRUCTURE FOR FILTERING IMPURITY PARTICLES FROM MOLTEN METAL
    Publication number: 20100244339
    Abstract: A filter has a multi-layered structure for removing impurity particles from a molten metal. The filter includes: a plurality of filter layers sequentially disposed along the flow direction of the molten metal in a downward direction and comprising a plurality of pore channels, wherein the filter layers disposed upstream comprise larger pore channels than those of the filter layers disposed downstream.
    Type: Application
    Filed: July 21, 2008
    Publication date: September 30, 2010
    Applicant: DAECHANG CO., LTD.
    Inventors: Eui-Han Yoon, Beom-Su Kwak, Ten Edis Borisovich