Patents by Inventor Xinqing Ma

Xinqing Ma 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).

  • Publication number: 20070102663
    Abstract: Disclosed herein is a magnetic paste that generally includes a magnetic component and a liquid organic component. The magnetic component includes a plurality of discrete nanoparticles, a plurality of nanoparticle-containing assemblies, or both. Magnetic devices can be formed from the magnetic paste. Methods of making and using the magnetic paste are also described.
    Type: Application
    Filed: May 11, 2006
    Publication date: May 10, 2007
    Inventors: T. Xiao, Xinqing Ma, Heng Zhang, Junfeng Zhou
  • Patent number: 7112758
    Abstract: The apparatus for the thermal spray delivery of a precursor solution comprises a first solution reservoir, a second solution reservoir, singular or multiple atomizing liquid injector(s) disposed in fluid communication with the reservoirs, a flame source configured to direct a spray from the atomizing liquid injector to a substrate, and a thermal control device disposed in thermal communication with the substrate. The method of depositing a precursor solution at a substrate to form a coating comprises maintaining a substrate at a pre-selected temperature, delivering the precursor solution from a reservoir bank, atomizing the precursor solution, injecting the atomized precursor solution into a flame, and directing the flame to the substrate.
    Type: Grant
    Filed: January 12, 2004
    Date of Patent: September 26, 2006
    Assignees: The University of Connecticut, US Nanocorp, Inc., Inframat Corporation
    Inventors: Xinqing Ma, Stephen Murphy, Jeffrey Roth, Danny Xiao, Baki M. Cetegen
  • Publication number: 20060184251
    Abstract: A medical device generally includes a structural member having a surface wherein at least a portion of the surface is coated with a nanostructured material to a thickness of at least about 25 micrometers, and wherein the nanostructured material comprises a ceramic, ceramic composite, ceramic metal composite, or a combination comprising at least one of the foregoing. The implants have increased service lifetimes owing in part to improved wear and abrasion resistance, and may be useful for partial or full replacement of articulating and flexible hinge joints.
    Type: Application
    Filed: January 6, 2006
    Publication date: August 17, 2006
    Inventors: Zongtao Zhang, Xinqing Ma, Jeffrey Roth, T. Xiao, Jay Krajewski
  • Publication number: 20050074600
    Abstract: Thick film magnetic/insulating nanocomposite materials, with significantly reduced core loss, and their manufacture are described. The insulator coated magnetic nanocomposite comprises one or more magnetic components, and an insulating component. The magnetic component comprises nanometer scale particles (about 1 to about 100 nanometers) coated by a thin-layered insulating phase. While the intergrain interaction between the immediate neighboring magnetic nanoparticles separated by the insulating phase provides the desired soft magnetic properties, the insulating material provides high resistivity, which reduces eddy current loss.
    Type: Application
    Filed: May 14, 2004
    Publication date: April 7, 2005
    Inventors: Xinqing Ma, Yide Zhang, Shihui Ge, Zongtao Zhang, Dajing Yan, Danny Xiao
  • Publication number: 20040229031
    Abstract: A thermal spray process comprises injecting precursor solution droplets into the hot zone of the thermal spray flame. Also described are materials resulting from the process.
    Type: Application
    Filed: January 12, 2004
    Publication date: November 18, 2004
    Inventors: Maurice Gell, Xinqing Ma, Eric Jordan, Nitin P. Padture, Liangde Xie, Danny Xiao, Anthony DeCarmine
  • Publication number: 20040226508
    Abstract: The apparatus for the thermal spray delivery of a precursor solution comprises a first solution reservoir, a second solution reservoir, singular or multiple atomizing liquid injector(s) disposed in fluid communication with the reservoirs, a flame source configured to direct a spray from the atomizing liquid injector to a substrate, and a thermal control device disposed in thermal communication with the substrate. The method of depositing a precursor solution at a substrate to form a coating comprises maintaining a substrate at a pre-selected temperature, delivering the precursor solution from a reservoir bank, atomizing the precursor solution, injecting the atomized precursor solution into a flame, and directing the flame to the substrate.
    Type: Application
    Filed: January 12, 2004
    Publication date: November 18, 2004
    Inventors: Xinqing Ma, Stephen Murphy, Jeffrey Roth, Danny Xiao, Baki M. Cetegen
  • Publication number: 20040018409
    Abstract: A solid oxide fuel cell comprises a dense electrolyte disposed between a porous anode and a porous cathode wherein the dense electrolyte comprises doped lanthanum gallate or yttria stabilized zirconia, the porous anode comprises yttrium-doped strontium titanate, yttrium-doped strontium titanate and nickel, lanthanum-doped ceria and nickel or yttria stabilized zirconia and nickel and the porous cathode comprises doped lanthanum ferrite or strontium-doped lanthanum manganite. The fuel cell may further comprise an interlayer(s) comprising lanthanum-doped ceria disposed between an electrode (anode, cathode or both) and the electrolyte. An interconnect layer comprising doped lanthanum chromate may be disposed between the anode of a first single fuel cell and the cathode of a second single fuel cell. The anode, cathode, electrolyte and optional interlayer(s) are produced by thermal spray.
    Type: Application
    Filed: February 28, 2003
    Publication date: January 29, 2004
    Inventors: Shiqiang Hui, Xinqing Ma, Heng Zhang, Huimin Chen, Jeffrey Roth, John Broadhead, Anthony DeCarmine, Jinxiang Dai, Danny T. Xiao