Patents by Inventor Young Hwan Uhm

Young Hwan Uhm 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).

  • Apparatus and method for forming lubricant recess having minute configuration in curved inner surface
    Patent number: 9850583
    Abstract: Disclosed is an apparatus and method for forming lubricant recesses having minute configurations by applying a photolithograph method in a curved inner surface, such as a cylinder bore surface of a cylinder block, the inside of a cylinder liner, the inside of a compressor cylinder, a big end of a connecting rod, a big end bearing, a shaft insertion hole of a rocker arm, or the like in an internal combustion engine.
    Type: Grant
    Filed: February 20, 2014
    Date of Patent: December 26, 2017
    Assignee: Hwabaek Engineering Co., LTD.
    Inventors: Kang Lee, Young Hwan Uhm, Jung Min Han
  • APPARATUS AND METHOD FOR FORMING LUBRICANT RECESS HAVING MINUTE CONFIGURATION IN CURVED INNER SURFACE
    Publication number: 20150020966
    Abstract: Disclosed is an apparatus and method for forming lubricant recesses having minute configurations by applying a photolithograph method in a curved inner surface, such as a cylinder bore surface of a cylinder block, the inside of a cylinder liner, the inside of a compressor cylinder, a big end of a connecting rod, a big end bearing, a shaft insertion hole of a rocker arm, or the like in an internal combustion engine.
    Type: Application
    Filed: February 20, 2014
    Publication date: January 22, 2015
    Applicant: Hwabaek Engineering Co., LTD.
    Inventors: Kang Lee, Young Hwan Uhm, Jung Min Han