Patents by Inventor Ki B. Han

Ki B. 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).

  • Cylinder block structure
    Patent number: 5188071
    Abstract: In the Siamese type cylinder block structure, a hollow member having a number of arc guide pieces on both ends is inserted into the upper end between neighboring cylinder bores so as to form a cooling water passage by burying both ends of hollow member in the water jacket core. Insert pins inserted in the guide pieces at both ends of said hollow member communicating with said water jackets to prevent grains of sand injected at high pressure when a water jacket core is manufactured.
    Type: Grant
    Filed: January 27, 1992
    Date of Patent: February 23, 1993
    Assignee: Hyundai Motor Company
    Inventor: Ki B. Han