Patents by Inventor Xiaogang Jian

Xiaogang Jian 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 and apparatus for semi-solid material processing
    Patent number: 7621315
    Abstract: A method of forming a material includes the steps of: vibrating a molten material at an ultrasonic frequency while cooling the material to a semi-solid state to form non-dendritic grains therein; forming the semi-solid material into a desired shape; and cooling the material to a solid state. The method makes semi-solid castings directly from molten materials (usually a metal), produces grain size usually in the range of smaller than 50 ?m, and can be easily retrofitted into existing conventional forming machine.
    Type: Grant
    Filed: January 22, 2009
    Date of Patent: November 24, 2009
    Assignees: UT-Battelle, LLC, University of Tennessee Research Foundation
    Inventors: Qingyou Han, Xiaogang Jian, Hanbing Xu, Thomas T. Meek
  • METHOD AND APPARATUS FOR SEMI-SOLID MATERIAL PROCESSING
    Publication number: 20090126897
    Abstract: A method of forming a material includes the steps of: vibrating a molten material at an ultrasonic frequency while cooling the material to a semi-solid state to form non-dendritic grains therein; forming the semi-solid material into a desired shape; and cooling the material to a solid state. The method makes semi-solid castings directly from molten materials (usually a metal), produces grain size usually in the range of smaller than 50 ?m, and can be easily retrofitted into existing conventional forming machine.
    Type: Application
    Filed: January 22, 2009
    Publication date: May 21, 2009
    Applicants: UT-Battelle, LLC, University of Tennessee Research Foundation
    Inventors: Qingyou Han, Xiaogang Jian, Hanbing Xu, Thomas T. Meek
  • Method and apparatus for semi-solid material processing
    Patent number: 7493934
    Abstract: A method of forming a material includes the steps of: vibrating a molten material at an ultrasonic frequency while cooling the material to a semi-solid state to form non-dendritic grains therein; forming the semi-solid material into a desired shape; and cooling the material to a solid state. The method makes semi-solid castings directly from molten materials (usually a metal), produces grain size usually in the range of smaller than 50 ?m, and can be easily retrofitted into existing conventional forming machine.
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: February 24, 2009
    Assignee: UT-Battelle, LLC
    Inventors: Qingyou Han, Xiaogang Jian, Hanbing Xu, Thomas T. Meek
  • Method of producing nanostructured metals using high-intensity ultrasonic vibration
    Publication number: 20070256764
    Abstract: A method of producing a nanostructured article includes simultaneously subjecting a body of material to external force and vibration to produce a desired nanostructure in the body of material.
    Type: Application
    Filed: August 25, 2005
    Publication date: November 8, 2007
    Inventors: Qingyou Han, Cailu Xu, Xiaogang Jian
  • Method and apparatus for semi-solid material processing
    Publication number: 20070187060
    Abstract: A method of forming a material includes the steps of: vibrating a molten material at an ultrasonic frequency while cooling the material to a semi-solid state to form non-dendritic grains therein; forming the semi-solid material into a desired shape; and cooling the material to a solid state. The method makes semi-solid castings directly from molten materials (usually a metal), produces grain size usually in the range of smaller than 50 ?m, and can be easily retrofitted into existing conventional forming machine.
    Type: Application
    Filed: March 29, 2007
    Publication date: August 16, 2007
    Inventors: Qingyou Han, Xiaogang Jian, Hanbing Xu, Thomas Meek
  • Method and apparatus for semi-solid material processing
    Patent number: 7216690
    Abstract: A method of forming a material includes the steps of: vibrating a molten material at an ultrasonic frequency while cooling the material to a semi-solid state to form non-dendritic grains therein; forming the semi-solid material into a desired shape; and cooling the material to a solid state. The method makes semi-solid castings directly from molten materials (usually a metal), produces grain size usually in the range of smaller than 50 ?m, and can be easily retrofitted into existing conventional forming machine.
    Type: Grant
    Filed: June 17, 2004
    Date of Patent: May 15, 2007
    Assignee: UT-Battelle LLC
    Inventors: Qingyou Han, Xiaogang Jian, Hanbing Xu, Thomas T. Meek
  • Method and apparatus for semi-solid material processing
    Publication number: 20050279479
    Abstract: A method of forming a material includes the steps of: vibrating a molten material at an ultrasonic frequency while cooling the material to a semi-solid state to form non-dendritic grains therein; forming the semi-solid material into a desired shape; and cooling the material to a solid state. The method makes semi-solid castings directly from molten materials (usually a metal), produces grain size usually in the range of smaller than 50 ?m, and can be easily retrofitted into existing conventional forming machine.
    Type: Application
    Filed: June 17, 2004
    Publication date: December 22, 2005
    Inventors: Qingyou Han, Xiaogang Jian, Hanbing Xu, Thomas Meek