Patents by Inventor Dajun Zuo

Dajun Zuo 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).

  • Patent number: 9517658
    Abstract: An axle assembly with a Salisbury-type axle housing that includes a carrier housing. The carrier housing is constructed with a system of reinforcements in selected areas.
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: December 13, 2016
    Assignee: American Axle & Manufacturing, Inc.
    Inventors: Chih-Hung Chung, Dajun Zuo, Adrian M. Lenczewski, Robert Chisholm, Brian Demos
  • Publication number: 20160009136
    Abstract: An axle assembly with a Salisbury-type axle housing that includes a carrier housing. The carrier housing is constructed with a system of reinforcements in selected areas.
    Type: Application
    Filed: July 11, 2014
    Publication date: January 14, 2016
    Inventors: Chih-Hung Chung, Dajun Zuo, Adrian M. Lenczewski, Robert Chisholm, Brian Demos
  • Patent number: 8230713
    Abstract: An elevated temperature forming die apparatus comprising a lower die part having a first upper surface positioned to engage a lower surface of a first region of such a workpiece, an upper die part supported for reciprocal motion relative to the lower die part, the upper die part having a lower surface that engages an upper surface of a second region of a sheet material workpiece, heaters in thermal communication with the die parts, and a third die part having an upper surface that engages a lower surface of the second region of a sheet material workpiece whose first portion is positioned between the upper and lower die parts, the third die part being supported for reciprocal motion relative to the upper die part such that closure of the upper die part along the first stroke portion against the third die part will clamp the first portion of the workpiece between the upper and third die parts, and the third die part being supported for reciprocal motion relative to the lower die part such that, once the first p
    Type: Grant
    Filed: December 30, 2008
    Date of Patent: July 31, 2012
    Assignee: USAMP
    Inventors: Paul Edward Krajewski, Richard Harry Hammar, Dajun Zuo, Peter A. Friedman, S. George Luckey, Jr., Dennis Cedar
  • Publication number: 20100166903
    Abstract: An elevated temperature forming die apparatus comprising a lower die part having a first upper surface positioned to engage a lower surface of a first region of such a workpiece, an upper die part supported for reciprocal motion relative to the lower die part, the upper die part having a lower surface that engages an upper surface of a second region of a sheet material workpiece, heaters in thermal communication with the die parts, and a third die part having an upper surface that engages a lower surface of the second region of a sheet material workpiece whose first portion is positioned between the upper and lower die parts, the third die part being supported for reciprocal motion relative to the upper die part such that closure of the upper die part along the first stroke portion against the third die part will clamp the first portion of the workpiece between the upper and third die parts, and the third die part being supported for reciprocal motion relative to the lower die part such that, once the first p
    Type: Application
    Filed: December 30, 2008
    Publication date: July 1, 2010
    Inventors: Paul Edward Krajewski, Richard Harry Hammar, Dajun Zuo, Peter A. Friedman, S. George Luckey, JR., Dennis Cedar
  • Patent number: D747670
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: January 19, 2016
    Assignee: American Axle & Manufacturing, Inc.
    Inventors: Chih-Hung Chung, Dajun Zuo, Adrian M. Lenczewski, Robert Chisholm, Brian Demos