Patents by Inventor Bu-Geun MUN

Bu-Geun MUN 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).

  • Piston for master cylinder
    Patent number: 10300900
    Abstract: A master cylinder includes: a cylinder housing; a piston which is movably disposed in the cylinder housing so as to form a pressure chamber and a hydraulic fluid supplying chamber; a sealing member which is interposed between the cylinder housing and the piston. The piston has a plurality of communication holes for connecting the pressure chamber and the hydraulic fluid supplying chamber, and the plurality of communication holes are formed on a slanted surface which is provided to an outer surface of the piston.
    Type: Grant
    Filed: June 9, 2015
    Date of Patent: May 28, 2019
    Assignee: ERAE AMS CO., LTD.
    Inventors: Bu-Geun Mun, Jong-Dae Weon, Yu-Jong Seo
  • PISTON FOR MASTER CYLINDER
    Publication number: 20170106844
    Abstract: A master cylinder includes: a cylinder housing; a piston which is movably disposed in the cylinder housing so as to form a pressure chamber and a hydraulic fluid supplying chamber; a sealing member which is interposed between the cylinder housing and the piston. The piston has a plurality of communication holes for connecting the pressure chamber and the hydraulic fluid supplying chamber, and the plurality of communication holes are formed on a slanted surface which is provided to an outer surface of the piston.
    Type: Application
    Filed: June 9, 2015
    Publication date: April 20, 2017
    Inventors: Bu-Geun MUN, Jong-Dae WEON, Yu-Jong SEO