Patents by Inventor Sang-cherl Han

Sang-cherl Han 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).

  • Device for manufacturing lubricant supply grooves in fluid bearings
    Patent number: 5325695
    Abstract: A system for manufacturing lubricant supply grooves in a fluid bearing, in which a worn working body can be replaced. A through-hole is formed in the tool body so as to receive the working body, and a working portion is formed having a predetermined curvature at both ends of the working body. Both ends of the working body protrude to the same height from the outer circumferential surface of the tool body.
    Type: Grant
    Filed: October 16, 1992
    Date of Patent: July 5, 1994
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-sun Seo, Sang-cherl Han