Patents by Inventor Xingwu Wang

Xingwu Wang 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: 5366770
    Abstract: An atmospheric process for the production of a coating of film upon a nickel-containing substrate. In the first step of this process, an aerosol mist containing reactants necessary to form the coating is provided. Thereafter, the mist is subjected to radio-frequency radiation while in the plasma region. Thereafter, the vaporized mixture is then deposited onto a nickel substrate. In subsequent steps, one or more other layers of vaporized material may be deposited onto the coated substrate.
    Type: Grant
    Filed: September 13, 1993
    Date of Patent: November 22, 1994
    Inventor: Xingwu Wang
  • Patent number: 5364562
    Abstract: A process for preparing an insulating powder. In the first step of this process, a solution comprising a first compound (which preferably is an yttrium compound), a barium compound, and a copper compound subjected to ultrasonic sound waves at a frequency in excess of 20,000 hertz, and to a substantially atmospheric pressure of at least about 600 millimeters of mercury to cause such solution to form into an aerosol. Thereafter, a plasma is generated within a radio-frequency plasma reactor, and the aerosol is contacted with the plasma gas within the reactor while subjecting said aerosol to a substantially atmospheric pressure of at least about 600 millimeters of mercury and to a radio frequency alternating current at a frequency of from about 100 kilohertz to about to about 30 megahertz to form a vapor, which is thereafter flowed downwardly onto and collected on a collector.
    Type: Grant
    Filed: September 13, 1993
    Date of Patent: November 15, 1994
    Inventor: Xingwu Wang
  • Patent number: 5304281
    Abstract: A process for preparing a film consisting of at least about 90 weight percent of cubic cadmium sulfide is disclosed.In one step of this process, a cadmium sulfide target with a density of at least about 3.8 grams per cubic centimeter is provided. In a separate step, there is provided a heated substrate which is at a temperature of from about 50 to about 300 degrees Centigrade. The heated substrate is disposed at a distance of from about 2 to about 10 centimeters from the target.Both the heated substrate and the target are subjected to a pressure of from about 10.sup.-4 to about 10.sup.-9 Torr. Thereafter, the cadmium sulfide target is contacted with a laser beam with a wavelength of from about 100 nanometers to about 30 microns, an energy of at least about 1.0 watt, and a beam width of less than about 5 millimeters.
    Type: Grant
    Filed: October 23, 1992
    Date of Patent: April 19, 1994
    Assignee: Alfred University
    Inventor: Xingwu Wang
  • Patent number: 5283234
    Abstract: A contactless shock absorber assembly containing a chamber and a piston disposed therein is disclosed. The chamber is formed by alternating sections of superconductive material and electromagnetic coils; and the interior surfaces of the chamber define a symmetrical shape. The piston contains at least two magnetic sections and at least two nonmagnetic sections.
    Type: Grant
    Filed: May 28, 1991
    Date of Patent: February 1, 1994
    Assignee: Xingwu Wang
    Inventors: Xingwu Wang, William F. Nichols
  • Patent number: 5260105
    Abstract: An atmospheric process for the production of a coating or film for electrochemical cells is disclosed. In the first step of this process, an aerosol mist containing reactants necessary to form the desired coating or film is provided. Thereafter, the mist is subjected to radio-frequency radiation while in the plasma region. Thereafter, the vaporized mixture is then deposited onto a substrate.
    Type: Grant
    Filed: April 20, 1992
    Date of Patent: November 9, 1993
    Assignee: Alfred University
    Inventor: Xingwu Wang
  • Patent number: 5213851
    Abstract: In accordance with this invention, there is provided an atmospheric process for the production of a ferritic coating or film. In the first step of this process, an aerosol mist containing reactants necessary to form the ferrite is provided. Thereafter, the mist is subjected to radio-frequency radiation while in the plasma region. Thereafter, the vaporized mixture is then deposited onto a substrate.
    Type: Grant
    Filed: April 8, 1992
    Date of Patent: May 25, 1993
    Assignee: Alfred University
    Inventors: Robert L. Snyder, John Simmins, Xingwu Wang
  • Patent number: 5157831
    Abstract: A process for preparing an electrical connector from a glass plug, a rigid metal shell, and at least one pin conductor is disclosed.The glass plug is made by mixing glass powder with binder, forming a green body, debindering the green body, and heating the debindered green body.The metal shell and metal pin conductor(s) are first cleaned by heating them in a hydrogen-containing atmosphere, and thereafter forming an oxide coating on their surfaces.An assembly is then formed from the rigid metal shell, the glass plug, and the pin conductor(s). This assembly is then heat treated to form the electrical connector.
    Type: Grant
    Filed: December 20, 1991
    Date of Patent: October 27, 1992
    Assignees: Alfred University, Howard J. Greenwald
    Inventors: Xingwu Wang, Jun Lou
  • Patent number: 5157015
    Abstract: A process for coating a superconductive film onto a substrate is provided. In the first step of this process, a solution of the reagents required to produce the superconductive material is subjected to ultrasonic sound waves to create an aerosol. Thereafter, the aerosol is contacted with plasma while being subjected to substantially atmospheric pressure and a radio frequency alternating current in excess of 100 kilohertz; a vapor is produced in this step. The vapor so produced is passed through an orifice and allowed to deposit onto a substrate, which is in contact with a substrate holder which is electrically grounded.
    Type: Grant
    Filed: May 24, 1990
    Date of Patent: October 20, 1992
    Assignee: Alfred University
    Inventors: Robert L. Snyder, Xingwu Wang, Honghai Zhong
  • Patent number: 5122506
    Abstract: A process for moving a magnetized object at a velocity in excess of 10 kilometers per second is provided. In this process, a symmetrical chamber which contains alternating portions of superconductive material and electromagnetic coils is provided. A magnetized object is disposed within the chamber and caused to levitate there because of the Meissner effect. The magnetized object is accelerated within the chamber by supplying asynchronous direct current pulses to the coils within the chamber.
    Type: Grant
    Filed: May 11, 1990
    Date of Patent: June 16, 1992
    Assignee: Howard J. Greenwald
    Inventor: Xingwu Wang
  • Patent number: 5120703
    Abstract: A process for coating a superconductive film onto a substrate is provided. In the first step of this process, a solution of the reagents required to produce the superconductive material is subjected to ultrasonic sound waves to create an aerosol. Thereafter, the aerosol contacted with plasma while being subjected to substantially atmospheric pressure and a radio frequency alternating current in excess of 100 kilohertz; a vapor is produced in this step. The vapor so produced is passed through an orifice and allowed to deposit onto a substrate.
    Type: Grant
    Filed: April 17, 1990
    Date of Patent: June 9, 1992
    Assignee: Alfred University
    Inventors: Robert L. Snyder, Xingwu Wang, Honghai Zhong
  • Patent number: 5100868
    Abstract: A two-step process for the preparation of a thallium-containing superconductive film is described.In the first step of this process, an aerosol mist containing reactants necessary to produce a calcium/barium/strontium/copper precursor material is provided. This mist is subjected to radio-frequency radiation while in the plasma region, and it thereafter is deposited onto an electrically grounded substrate.In the second step of the process, the coated substrate is contacted with thallium-containing vapor.
    Type: Grant
    Filed: January 11, 1991
    Date of Patent: March 31, 1992
    Assignees: Alfred University Inc., University of Colorado Foundation, Inc.
    Inventors: Robert L. Snyder, Allen M. Hermann, Xingwu Wang, Hongmin Duan, Jemmy Hao
  • Patent number: 5015622
    Abstract: A contactless, multi-dimensional small stepper motor with a maximum dimension of less than about 10 centimeters is described. The motor contains at least one magnetized article, at least one superconductive primary suspending element, and at least two primary conductive elements.Each of the primary conductive elements is separated from each adjacent primary conductive element by a distance of from about 0.01 to about 10 millimeters.
    Type: Grant
    Filed: October 17, 1989
    Date of Patent: May 14, 1991
    Assignee: Alfred University
    Inventors: Raymond C. Ward, Xingwu Wang, William B. Carlson, Walter A. Schulze, Jr.
  • Patent number: 5015619
    Abstract: A superconductive mirror assembly whose reflectivity can be varied is disclosed. This assembly contains an optionally transparent substrate, a superconductive film formed on the substrate, means for measuring the temperature of the superconductive film, means for measuring the reflectivity of the superconductive film, and means for varying the reflectivity of the superconductive film.
    Type: Grant
    Filed: November 13, 1989
    Date of Patent: May 14, 1991
    Assignee: Alfred University
    Inventor: Xingwu Wang
  • Patent number: 4960760
    Abstract: An apparatus designed to move mass without contact is described. The apparatus contains a chamber which is formed by alternating sections of superconducting material and electromagnetic coils. The chamber is cooled to below the critical temperature of the superconducting material, and a magnetic object is disposed in the center of the chamber. A series of coils along the chamber are sequentially energized by direct current to form electromagnetic fields. The sequence and direction of these fields causes the movement of the magnetized object within the chamber.
    Type: Grant
    Filed: August 10, 1989
    Date of Patent: October 2, 1990
    Assignee: Howard J. Greenwald
    Inventors: Xingwu Wang, James D. Royston