Patents by Inventor Steven Jude Duclos
Steven Jude Duclos 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).
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Publication number: 20240033092Abstract: The present discussion relates to the design fabrication and use of synthetic scaffold structure for bone growth. In certain implementations the scaffold structures are comprised of a plurality of repeating structures each defined by a local topology. The local topologies are defined at a subset of points in their respective volumes by various parameters including, but not limited to, shape index, curvedness, mean curvature, and Gauss curvature.Type: ApplicationFiled: July 29, 2022Publication date: February 1, 2024Inventors: Gautam Parthasarathy, Daniel J. Erno, Chitresh Bhushan, Cathleen Ann Hoel, Sara Kelly Peterson, Jessica Susanne Martinez, Brian Michael Davis, Steven Jude Duclos, Fiona Ginty
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Patent number: 11020955Abstract: A method of method of forming or repairing a superalloy article having a columnar or equiaxed or directionally solidified or amorphous or single crystal microstructure includes emitting a plurality of laser beams from selected fibers of a diode laser fiber array corresponding to a pattern of a layer of the article onto a powder bed of the superalloy to form a melt pool; and controlling a temperature gradient and a solidification velocity of the melt pool to form the columnar or single crystal microstructure.Type: GrantFiled: December 5, 2019Date of Patent: June 1, 2021Assignee: General Electric CompanyInventors: William Thomas Carter, Marshall Gordon Jones, Lang Yuan, Ning Zhou, Steven Jude Duclos
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Publication number: 20200180297Abstract: A method of method of forming or repairing a superalloy article having a columnar or equiaxed or directionally solidified or amorphous or single crystal microstructure includes emitting a plurality of laser beams from selected fibers of a diode laser fiber array corresponding to a pattern of a layer of the article onto a powder bed of the superalloy to form a melt pool; and controlling a temperature gradient and a solidification velocity of the melt pool to form the columnar or single crystal microstructure.Type: ApplicationFiled: December 5, 2019Publication date: June 11, 2020Inventors: William Thomas CARTER, Marshall Gordon JONES, Lang YUAN, Ning ZHOU, Steven Jude DUCLOS
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Patent number: 10532556Abstract: A method of method of forming or repairing a superalloy article having a columnar or equiaxed or directionally solidified or amorphous or single crystal microstructure includes emitting a plurality of laser beams from selected fibers of a diode laser fiber array corresponding to a pattern of a layer of the article onto a powder bed of the superalloy to form a melt pool; and controlling a temperature gradient and a solidification velocity of the melt pool to form the columnar or single crystal microstructure.Type: GrantFiled: February 3, 2016Date of Patent: January 14, 2020Assignee: General Electric CompanyInventors: William Thomas Carter, Marshall Gordon Jones, Lang Yuan, Ning Zhou, Steven Jude Duclos
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Publication number: 20190217395Abstract: A method of forming titanium-based spherical metallic particles includes contacting a feedstock material including a metal halide with a reductant in the presence of a microwave plasma discharge.Type: ApplicationFiled: January 12, 2018Publication date: July 18, 2019Inventors: Pazhayannur Ramanathan Subramanian, Anthony Joseph Vinciquerra, Laura Cerully Dial, Steven Jude Duclos
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Publication number: 20190016059Abstract: A subsea assembly comprising an electric subsea machine having an electric motor driving an operator, and a coolant circuit at least partially located in thermal contact with the electric motor, the coolant circuit including a cooling assembly located externally from the subsea machine, the cooling assembly comprising at least a heat transfer element, the subsea machine and the cooling assembly being supported by a common supporting frame; at least a part of the heat transfer element is integrated in the frame.Type: ApplicationFiled: June 5, 2018Publication date: January 17, 2019Inventors: Ramkumar Kashyap ORUGANTI, Steven Jude DUCLOS, William Thomas CARTER
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Publication number: 20160181467Abstract: A method of manufacturing a transparent oxide layer is provided. The manufacturing method includes disposing a cadmium tin oxide layer on a support, placing the support with the cadmium tin oxide layer within a chamber of a rapid thermal annealing system, and rapidly thermally annealing the cadmium tin oxide layer by exposing the cadmium tin oxide layer to electromagnetic radiation to form the transparent oxide layer, wherein the rapid thermal anneal is performed without first pumping down the chamber.Type: ApplicationFiled: March 1, 2016Publication date: June 23, 2016Applicant: First Solar Malaysia Sdn.Bhd.Inventors: Steven Jude Duclos, Robert Dwayne Gossman, Hongying Peng, Juan Carlos Rojo
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Publication number: 20160158889Abstract: A method of method of forming or repairing a superalloy article having a columnar or equiaxed or directionally solidified or amorphous or single crystal microstructure includes emitting a plurality of laser beams from selected fibers of a diode laser fiber array corresponding to a pattern of a layer of the article onto a powder bed of the superalloy to form a melt pool; and controlling a temperature gradient and a solidification velocity of the melt pool to form the columnar or single crystal microstructure.Type: ApplicationFiled: February 3, 2016Publication date: June 9, 2016Applicant: General Electric CompanyInventors: William Thomas CARTER, Marshall Gordon JONES, Lang YUAN, Ning ZHOU, Steven Jude DUCLOS
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Patent number: 9276142Abstract: A method of manufacturing a transparent oxide layer is provided. The manufacturing method includes disposing a cadmium tin oxide layer on a support, placing the support with the cadmium tin oxide layer within a chamber of a rapid thermal annealing system, and rapidly thermally annealing the cadmium tin oxide layer by exposing the cadmium tin oxide layer to electromagnetic radiation to form the transparent oxide layer, wherein the rapid thermal anneal is performed without first pumping down the chamber.Type: GrantFiled: November 29, 2011Date of Patent: March 1, 2016Assignee: First Solar, Inc.Inventors: Hongying Peng, Robert Dwayne Gossman, Juan Carlos Rojo, Steven Jude Duclos
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Patent number: 8581254Abstract: The present approach involves a radiation detector module with increased quantum efficiency and methods of fabricating the radiation detector module. The module includes a scintillator substrate and a photodetector fabricated on the scintillator substrate. The photodetector includes an anode, active organic elements, and a cathode. The module also includes a pixel element array disposed over the photodetector. During imaging, radiation attenuated by an object to be imaged may propagate through the pixel element array and through the layers of the photodetector to be absorbed by the scintillator which in response emits optical photons. The photodetector may absorb the photons and generate charge with improved quantum efficiency, as the photons may not be obscured by the cathode or other layers of the module. Further, the module may include reflective materials in the cathode and at the pixel element array to direct optical photons towards the active organic elements.Type: GrantFiled: September 30, 2011Date of Patent: November 12, 2013Assignee: General Electric CompanyInventors: Aaron Judy Couture, Steven Jude Duclos, Joseph John Shiang, Gautam Parthasarathy
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Publication number: 20130082264Abstract: The present approach involves a radiation detector module with increased quantum efficiency and methods of fabricating the radiation detector module. The module includes a scintillator substrate and a photodetector fabricated on the scintillator substrate. The photodetector includes an anode, active organic elements, and a cathode. The module also includes a pixel element array disposed over the photodetector. During imaging, radiation attenuated by an object to be imaged may propagate through the pixel element array and through the layers of the photodetector to be absorbed by the scintillator which in response emits optical photons. The photodetector may absorb the photons and generate charge with improved quantum efficiency, as the photons may not be obscured by the cathode or other layers of the module. Further, the module may include reflective materials in the cathode and at the pixel element array to direct optical photons towards the active organic elements.Type: ApplicationFiled: September 30, 2011Publication date: April 4, 2013Applicant: General Electric CompanyInventors: Aaron Judy Couture, Steven Jude Duclos, Joseph John Shiang, Gautam Parthasarathy
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Patent number: 8333907Abstract: An article of manufacture that comprises a structure that is a security system device (or portion thereof) or a fire system device (or portion), where a persistent phosphor and/or a persistent phosphor blend is either integrated in a coating on the structure; applied on the structure; or integrated in the structure, wherein the persistent phosphor comprises certain phosphors or phosphor blends. The present invention has been described in terms of specific embodiment(s), and it is recognized that equivalents, alternatives, and modifications, aside from those expressly stated, are possible and within the scope of the appending claims.Type: GrantFiled: December 17, 2009Date of Patent: December 18, 2012Assignee: UTC Fire & Security CorporationInventors: Holly Ann Comanzo, Alok Mani Srivastava, Steven Jude Duclos, Lucas Lemar Clarke, Munro Howard Sykes
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Patent number: 8299436Abstract: A scintillator composition includes a matrix material, where the matrix material includes an alkaline earth metal and a lanthanide halide. The scintillator composition further includes an activator ion, where the activator ion is a trivalent ion. In one embodiment, the scintillator composition includes a matrix material represented by A2LnX7, where A includes an alkaline earth metal, Ln includes a lanthanide ion, and X includes a halide ion. In another embodiment, the scintillator composition includes a matrix material represented by ALnX5, where A includes an alkaline earth metal, Ln includes a lanthanide ion, and X includes a halide ion. In these embodiments, the scintillator composition includes an activator ion, where the activator ion includes cerium, or bismuth, or praseodymium, or combinations thereof.Type: GrantFiled: June 29, 2005Date of Patent: October 30, 2012Assignee: General Electric CompanyInventors: Alok Mani Srivastava, Steven Jude Duclos, Lucas Lemar Clarke, Holly Ann Comanzo, Qun Deng
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Publication number: 20120156828Abstract: A method of manufacturing a transparent oxide layer is provided. The manufacturing method includes disposing a cadmium tin oxide layer on a support, placing the support with the cadmium tin oxide layer within a chamber of a rapid thermal annealing system, and rapidly thermally annealing the cadmium tin oxide layer by exposing the cadmium tin oxide layer to electromagnetic radiation to form the transparent oxide layer, wherein the rapid thermal anneal is performed without first pumping down the chamber.Type: ApplicationFiled: November 29, 2011Publication date: June 21, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Hongying Peng, Robert Dwayne Gossman, Juan Carlos Rojo, Steven Jude Duclos
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Publication number: 20110024685Abstract: Crystalline scintillator materials comprising nano-scale particles of metal oxides, metal oxyhalides and metal oxysulfides are provided. The nano-scale particles are less than 100 nm in size. Methods are provided for preparing the particles. In one method, used to form oxyhalides and oxysulfides, metal salts are dissolved in water, and then precipitated out as fine particles using an aqueous base. After the particles are separated from the solution, they are annealed under a flow of a water saturated hydrogen anion gas, such as HCl or H2S, to form the crystalline scintillator particles The other methods take advantage of the characteristics of microemulsion solutions to control droplet size, and, thus, the particle size of the final nano-particles. For example, in one method, a first micro-emulsion containing metal salts if formed. The first micro-emulsion is mixed with an aqueous base in a second micro-emulsion to form the final nano-scale particles.Type: ApplicationFiled: January 21, 2010Publication date: February 3, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Brent Allen Clothier, Sergio Paulo Martins Loureiro, Alok Srivastava, Stanley John Stoklosa, Steven Jude Duclos, Venkat Subramaniam Venkataramani
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Patent number: 7879284Abstract: A method of making a cubic halide scintillator material includes pressing a powder mixture of cubic halide and at least one activator under conditions of pressure, temperature, residence time and particle size effective to provide a polycrystalline sintered cubic halide scintillator having a pulse height resolution of from about 7% to about 20%. The conditions include a temperature ranging from about ambient temperature up to about 90% of the melting point of the cubic halide, a pressure of from about 30,000 psi to about 200,000 psi, a pressing residence time of from about 5 minutes to about 120 minutes and an average cubic halide particle size of from about 60 micrometers to about 275 micrometers.Type: GrantFiled: January 29, 2007Date of Patent: February 1, 2011Assignee: Momentive Performance Materials Inc.Inventors: Sergio Paulo Martins Loureiro, Venkat Subramaniam Venkataramani, Lucas Clarke, Kevin P. McEvoy, Carl Joshua Vess, Thomas McNulty, Steven Jude Duclos, Adrian Ivan, Patricia A. Hubbard
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Publication number: 20100230601Abstract: A polycrystalline scintillator composition is provided. The polycrystalline scintillator composition is capable of being sintered to form a body having a pulse height resolution that is less than about 20 percent at 662 kilo electron volts. Also, an article formed form the polycrystalline scintillator composition is provided, as well as a radiation detector including the article.Type: ApplicationFiled: January 30, 2007Publication date: September 16, 2010Applicant: General Electric CompanyInventors: Sergio Paulo Martins Loureiro, Alok Mani Srivastava, Kevin Paul McEvoy, Venkat Subramaniam Venkataramani, Steven Jude Duclos, James Scott Vartuli, Carl Joshua Vess
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Publication number: 20100136302Abstract: An article of manufacture that comprises a structure that is a security system device (or portion thereof) or a fire system device (or portion), where a persistent phosphor and/or a persistent phosphor blend is either integrated in a coating on the structure; applied on the structure; or integrated in the structure, wherein the persistent phosphor comprises certain phosphors or phosphor blends. The present invention has been described in terms of specific embodiment(s), and it is recognized that equivalents, alternatives, and modifications, aside from those expressly stated, are possible and within the scope of the appending claims.Type: ApplicationFiled: December 17, 2009Publication date: June 3, 2010Applicant: GENERAL ELECTRIC COMPANYInventors: Holly Ann Comanzo, Alok Mani Srivastava, Steven Jude Duclos, Lucas Lemar Clarke, Munro Howard Sykes
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Nano-scale metal oxide, oxyhalide and oxysulfide scintillation materials and methods for making same
Patent number: 7708968Abstract: Crystalline scintillator materials comprising nano-scale particles of metal oxides, metal oxyhalides and metal oxysulfides are provided. The nano-scale particles are less than 100 nm in size. Methods are provided for preparing the particles. In one method, used to form oxyhalides and oxysulfides, metal salts are dissolved in water, and then precipitated out as fine particles using an aqueous base. After the particles are separated from the solution, they are annealed under a flow of a water saturated hydrogen anion gas, such as HCl or H2S, to form the crystalline scintillator particles. The other methods take advantage of the characteristics of microemulsion solutions to control droplet size, and, thus, the particle size of the final nano-particles. For example, in one method, a first micro-emulsion containing metal salts if formed. The first micro-emulsion is mixed with an aqueous base in a second micro-emulsion to form the final nano-scale particles.Type: GrantFiled: March 26, 2007Date of Patent: May 4, 2010Assignee: General Electric CompanyInventors: Brent Allen Clothier, Sergio Paulo Martins Loureiro, Alok Srivastava, Stanley John Stoklosa, Steven Jude Duclos, Venkat Subramaniam Venkataramani -
Patent number: 7700003Abstract: A method is provided that includes heating a powder to a temperature that is below the melting point of the scintillator composition but is sufficiently high to form a coherent mass. The powder includes a scintillator composition. The coherent mass is polycrystalline and has a pulse height resolution that is less than 20 percent at 662 kilo electron volts; a light yield of more than 5000 photons per milli electron volt; or both a pulse height resolution that is less than 20 percent at 662 kilo electron volts and a light yield of more than 5000 photons per milli electron. A sintered body is provided also.Type: GrantFiled: January 30, 2007Date of Patent: April 20, 2010Assignee: General Electric CompanyInventors: Sergio Paulo Martins Loureiro, Alok Mani Srivastava, Kevin Paul McEvoy, Venkat Subramaniam Venkataramani, Steven Jude Duclos, James Scott Vartuli, Carl Joshua Vess