Patents by Inventor Chae Won Lim

Chae Won Lim 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).

  • Membrane-electrode assembly (MEA) for fuel cells
    Patent number: 10103392
    Abstract: A membrane-electrode assembly (MEA) for fuel cells includes an electricity-generating array including an anode, a cathode, and an electrolyte membrane. A subgasket array includes an anode subgasket surrounding a periphery of the anode and a cathode subgasket surrounding a periphery of the cathode. A junction array includes a polar junction and a nonpolar junction surrounding a periphery of the electrolyte membrane and attaching the anode subgasket and the cathode subgasket to each other.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: October 16, 2018
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Bo Ki Hong, Kook Il Han, Ji Yeon Park, Byeong Heon Jeong, Sang Hyun Cho, Chae Won Lim
  • Projection welding device
    Patent number: 9802268
    Abstract: A projection welding gun device includes an upper welding tip and a lower welding tip that are combined with a gun body through a shank, where the upper welding tip presses an upper panel corresponding to a protrusion portion that is formed on a lower panel to weld the upper and lower panels, and a rotation unit that is rotated by a driving portion is disposed between the gun body and the shank to rotate the shank.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: October 31, 2017
    Assignee: Hyundai Motor Company
    Inventors: Do-Woon Cho, Chae Won Lim, Yong Joon Cho
  • PROJECTION WELDING DEVICE
    Publication number: 20150298245
    Abstract: A projection welding gun device includes an upper welding tip and a lower welding tip that are combined with a gun body through a shank, where the upper welding tip presses an upper panel corresponding to a protrusion portion that is formed on a lower panel to weld the upper and lower panels, and a rotation unit that is rotated by a driving portion is disposed between the gun body and the shank to rotate the shank.
    Type: Application
    Filed: October 22, 2014
    Publication date: October 22, 2015
    Inventors: Do-Woon Cho, Chae Won Lim, Yong Joon Cho
  • MEMBRANE-ELECTRODE ASSEMBLY (MEA) FOR FUEL CELLS
    Publication number: 20150188155
    Abstract: A membrane-electrode assembly (MEA) for fuel cells includes an electricity-generating array including an anode, a cathode, and an electrolyte membrane. A subgasket array includes an anode subgasket surrounding a periphery of the anode and a cathode subgasket surrounding a periphery of the cathode. A junction array includes a polar junction and a nonpolar junction surrounding a periphery of the electrolyte membrane and attaching the anode subgasket and the cathode subgasket to each other.
    Type: Application
    Filed: June 18, 2014
    Publication date: July 2, 2015
    Inventors: Bo Ki Hong, Kook II Han, Ji Yeon Park, Byeong Heon Jeong, Sang Hyun Cho, Chae Won Lim