Patents by Inventor YUAN-JUN LIU

YUAN-JUN LIU 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).

  • METHOD FOR MAKING METALLIC COVER
    Publication number: 20080156058
    Abstract: An exemplary method for making a metallic cover includes the following steps: providing a raw metallic block (20); rolling a pressing machine (30) on the metallic block to form a preformed body (40); and machining the preformed body 40 in a high precision machining process to yield a metallic cover (60). The thickness of a predetermined portion of the metallic cover is different from that of other portions of the metallic cover.
    Type: Application
    Filed: August 27, 2007
    Publication date: July 3, 2008
    Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: YU-TING LIN, FENG LI, YI PENG, YUAN-JUN LIU