Patents by Inventor Robert Joseph Lyons
Robert Joseph Lyons 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: 20240080594Abstract: A speaker can have a main body with a generally spheroidal shape, which can be supported standing on its end. The speaker can include a subwoofer that faces forward. A plurality of mid-range drivers can be distributed around the sub-woofer, facing generally forward and radially outward. A plurality of tweeters can be distributed around the sub-woofer, facing generally forward and generally outward. The outer housing portion of the speaker can be covered with a fabric material. A user interface ring 162 can be touch sensitive to receive input, and can have a plurality of lights that can be illuminated separately to convey information to the user.Type: ApplicationFiled: July 5, 2023Publication date: March 7, 2024Inventors: Timothy David Williamson, Peter Joseph Hamblin, Maximilian Vincent Wozniak, Robert James Wilson, Wilson E. Taylor, JR., Larry E. Hand, Mark Robert Westcott, Mark Edward Trainer, Ellie Rei Fukuda, Joel Robert Sietsema, Paul Michael Belanger, Matthew Patrick Lyons, Timothy Steven DeYoung, Werner Kirchmann, Ralph Wilhelm Hermann
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Patent number: 11851595Abstract: A lighting apparatus includes a semiconductor light source in direct contact with a polymer composite comprising a color stable Mn4+ doped phosphor, wherein the lighting apparatus has a color shift of ?1.5 MacAdam ellipses after operating for at least 2,000 hour at a LED current density greater than 2 A/cm2, a LED wall-plug efficiency greater than 40%, and a board temperature greater than 25° C.Type: GrantFiled: July 13, 2021Date of Patent: December 26, 2023Assignee: CURRENT LIGHTING SOLUTIONS, LLCInventors: James Edward Murphy, Anant Achyut Setlur, Florencio Garcia, Robert Joseph Lyons, Ashfaqul Islam Chowdhury, Nagaveni Karkada, Prasanth Kumar Nammalwar, William Winder Beers
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Publication number: 20210340443Abstract: A lighting apparatus includes a semiconductor light source in direct contact with a polymer composite comprising a color stable Mn4+ doped phosphor, wherein the lighting apparatus has a color shift of ?1.5 MacAdam ellipses after operating for at least 2,000 hour at a LED current density greater than 2 A/cm2, a LED wall-plug efficiency greater than 40%, and a board temperature greater than 25° C.Type: ApplicationFiled: July 13, 2021Publication date: November 4, 2021Inventors: James Edward MURPHY, Anant Achyut SETLUR, Florencio GARCIA, Robert Joseph LYONS, Ashfaqul Islam CHOWDHURY, Nagaveni KARKADA, Prasanth Kumar NAMMALWAR, William Winder BEERS
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Patent number: 11098246Abstract: A lighting apparatus includes a semiconductor light source in direct contact with a polymer composite comprising a color stable Mn4+ doped phosphor, wherein the lighting apparatus has a color shift of ?1.5 MacAdam ellipses after operating for at least 2,000 hour at a LED current density greater than 2 A/cm2, a LED wall-plug efficiency greater than 40%, and a board temperature greater than 25° C.Type: GrantFiled: March 6, 2019Date of Patent: August 24, 2021Assignee: CURRENT LIGHTING SOLUTIONS, LLCInventors: James Edward Murphy, Anant Achyut Setlur, Florencio Garcia, Robert Joseph Lyons, Ashfaqul Islam Chowdhury, Nagaveni Karkada, Prasanth Kumar Nammalwar, William Winder Beers
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Publication number: 20190203116Abstract: A lighting apparatus includes a semiconductor light source in direct contact with a polymer composite comprising a color stable Mn4+ doped phosphor, wherein the lighting apparatus has a color shift of ?1.5 MacAdam ellipses after operating for at least 2,000 hour at a LED current density greater than 2 A/cm2, a LED wall-plug efficiency greater than 40%, and a board temperature greater than 25° C.Type: ApplicationFiled: March 6, 2019Publication date: July 4, 2019Inventors: James Edward MURPHY, Anant Achyut SETLUR, Florencio GARCIA, Robert Joseph LYONS, Ashfaqul Islam CHOWDHURY, Nagaveni KARKADA, Prasanth Kumar NAMMALWAR, William Winder BEERS
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Patent number: 10131835Abstract: A phosphor composition is derived from combining K2SiF6:Mn4+ in solid form with a saturated solution of a manganese-free complex fluoride including a composition of formula I: A3[MF6], where A is selected from Na, K, Rb, and combinations thereof and M is selected from Al, Ga, In, Sc, Y, Gd, and combinations thereof. The composition of formula I: A3[MF6] has a water solubility lower than a water solubility of K2SiF6. A lighting apparatus including the phosphor composition is also provided.Type: GrantFiled: December 16, 2014Date of Patent: November 20, 2018Assignee: General Electric CompanyInventors: Anant Achyut Setlur, Robert Joseph Lyons, Prasanth Kumar Nammalwar, James Edward Murphy, Florencio Garcia, Ravikumar Hanumantha
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Patent number: 9698314Abstract: A process for synthesizing a color stable Mn4+ doped phosphor includes contacting a precursor of formula I, in gaseous form at an elevated temperature with a fluorine-containing oxidizing agent to form the color stable Mn4+ doped phosphor Ax[MFy]:Mn4+??I wherein A is Li, Na, K, Rb, Cs, NR4 or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; R is H, lower alkyl, or a combination thereof; x is the absolute value of the charge of the [MFy] ion; and y is 5, 6 or 7.Type: GrantFiled: March 13, 2014Date of Patent: July 4, 2017Assignee: General Electric CompanyInventors: James Edward Murphy, Anant Achyut Setlur, Florencio Garcia, Robert Joseph Lyons, Ashfaqul Islam Chowdhury, Nagaveni Karkada, Prasanth Kumar Nammalwar
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Publication number: 20170145304Abstract: A lighting apparatus includes a semiconductor light source in direct contact with a polymer composite comprising a color stable Mn4+ doped phosphor, wherein the lighting apparatus has a color shift of 1.5 MacAdam ellipses after operating for at least 2,000 hour at a LED current density greater than 2 A/cm2, a LED wall-plug efficiency greater than 40%, and a board temperature greater than 25° C.Type: ApplicationFiled: January 10, 2017Publication date: May 25, 2017Inventors: James Edward Murphy, Anant Achyut Setlur, Florencio Garcia, Robert Joseph Lyons, Ashfaqul Islam Chowdhury, Nagaveni Karkada, Prasanth Kumar Nammalwar, William Winder Beers
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Patent number: 9580648Abstract: A color stable Mn4+ doped phosphor of formula I, Ax[MFy]:Mn4+??I wherein A is Li, Na, K, Rb, Cs, or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; x is the absolute value of the charge of the [MFy] ion; y is 5, 6 or 7; and wherein % intensity loss of the phosphor after exposure to light flux of at least 80 w/cm2 at a temperature of at least 50° C. for at least 21 hours is ?4%.Type: GrantFiled: May 23, 2014Date of Patent: February 28, 2017Assignee: General Electric CompanyInventors: James Edward Murphy, Anant Achyut Setlur, Florencio Garcia, Robert Joseph Lyons, Ashfaqul Islam Chowdhury, Nagaveni Karkada, Prasanth Kumar Nammalwar
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Patent number: 9546318Abstract: A process for preparing a Mn4+ doped phosphor of formula I Ax[MFy]:Mn+4??I includes contacting a mixture of a compound of formula Ax[MFy], a compound of formula AX, and a Mn+n source comprising a fluoromanganese compound, with a fluorine-containing oxidizing agent in gaseous form, at an elevated temperature, to form the Mn4+ doped phosphor; wherein A is Li, Na, K, Rb, Cs, or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; X is F, Cl, Br, I, HF2, or a combination thereof; x is the absolute value of the charge of the [MFy] ion; y is 5, 6 or 7; and n is 2, 3, or 4.Type: GrantFiled: May 1, 2014Date of Patent: January 17, 2017Assignee: General Electric CompanyInventors: James Edward Murphy, Robert Joseph Lyons, Anant Achyut Setlur, Jr.
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Publication number: 20160376499Abstract: A phosphor composition is derived from combining K2SiF6:Mn4+ in solid form with a saturated solution of a manganese-free complex fluoride including a composition of formula I:A3[MF6], where A is selected from Na, K, Rb, and combinations thereof and M is selected from Al, Ga, In, Sc, Y, Gd, and combinations thereof. The composition of formula I:A3[MF6] has a water solubility lower than a water solubility of K2SiF6. A lighting apparatus including the phosphor composition is also provided.Type: ApplicationFiled: December 16, 2014Publication date: December 29, 2016Inventors: Anant Achyut Setlur, Robert Joseph Lyons, Prasanth Kumar Nammalwar, James Edward Murphy, Florencio Garcia, Ravikumar Hanumantha
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Patent number: 9512356Abstract: A process for preparing a Mn4+ doped phosphor of formula I Ax[MFy]:Mn+4?? I includes combining in an acidic solution, an A+ cation, an anion of formula MFy, and a Mnn+ source comprising a fluoromanganese compound, precipitating a Mnn+ containing phosphor precursor from the acidic solution, and contacting the Mnn+ containing phosphor precursor with a fluorine-containing oxidizing agent in gaseous form, at an elevated temperature, to form the Mn4+ doped phosphor; wherein A is Li, Na, K, Rb, Cs, or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; x is the absolute value of the charge of the [MFy] ion; y is 5, 6 or 7; and n is 2 or 3.Type: GrantFiled: May 1, 2014Date of Patent: December 6, 2016Assignee: General Electric CompanyInventors: Robert Joseph Lyons, James Edward Murphy, Anant Achyut Setlur, Jr.
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Patent number: 9388336Abstract: A process for preparing a color stable Mn4+ doped complex fluoride phosphor of formula I includes Ax(M(1?m), Mnm)Fy??(I) contacting a first aqueous HF solution comprising (1?m) parts of a compound of formula HxMFy, and a second aqueous HF solution comprising m*n parts of a compound of formula Ax[MnFy], with a third aqueous HF solution comprising (1?n) parts of the compound of formula Ax[MnFy] and a compound of formula AaX, to yield a precipitate comprising the color stable Mn4+ doped complex fluoride phosphor; wherein A is Li, Na, K, Rb, Cs, NR4 or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; R is H, lower alkyl, or a combination thereof; X is an anion; a is the absolute value of the charge of the X anion; x is the absolute value of the charge of the [MFy] ion; y is 5, 6 or 7; 0<m?0.05; 0.1?n?1.Type: GrantFiled: December 12, 2014Date of Patent: July 12, 2016Assignee: General Electric CompanyInventors: James Edward Murphy, William Winder Beers, Robert Joseph Lyons, Fangming Du
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Patent number: 9334549Abstract: Systems and methods for recovery of rare-earth constituents from environmental barrier coatings are provided. One method includes extracting rare-earth (RE) oxide constituents from a feedstock containing RE silicates and non-RE contaminants. The method includes leaching the REs from the feedstock into an acid to form an acid solution, performing an oxalate precipitation on the acid solution to form an RE oxalate hydrate, and separating the RE oxalate hydrate from the acid solution. The method also includes heat treating the RE oxalate hydrate to form an RE oxide containing the RE elements extracted from the feedstock.Type: GrantFiled: December 20, 2013Date of Patent: May 10, 2016Assignee: General Electric CompanyInventors: Satya Kishore Manepalli, Theodore Robert Grossman, Don Mark Lipkin, Karthick Vilapakkam Gourishankar, Robert Joseph Lyons
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Publication number: 20150315462Abstract: A process for preparing a Mn4+ doped phosphor of formula I Ax[MFy]:Mn+4??I includes contacting a mixture of a compound of formula Ax[MFy], a compound of formula AX, and a Mn+n source comprising a fluoromanganese compound, with a fluorine-containing oxidizing agent in gaseous form, at an elevated temperature, to form the Mn4+ doped phosphor; wherein A is Li, Na, K, Rb, Cs, or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; X is F, Cl, Br, I, HF2, or a combination thereof; x is the absolute value of the charge of the [MFy] ion; y is 5, 6 or 7; and n is 2, 3, or 4.Type: ApplicationFiled: May 1, 2014Publication date: November 5, 2015Applicant: GENERAL ELECTRIC COMPANYInventors: James Edward Murphy, Robert Joseph Lyons, Anant Achyut Setlur, JR.
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Publication number: 20150315461Abstract: A process for preparing a Mn4+ doped phosphor of formula I Ax[MFy]:Mn+4??I includes combining in an acidic solution, an A+ cation, an anion of formula MFy, and a Mnn+ source comprising a fluoromanganese compound, precipitating a Mnn+ containing phosphor precursor from the acidic solution, and contacting the Mnn+ containing phosphor precursor with a fluorine-containing oxidizing agent in gaseous form, at an elevated temperature, to form the Mn4+ doped phosphor; wherein A is Li, Na, K, Rb, Cs, or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; x is the absolute value of the charge of the [MFy] ion; y is 5, 6 or 7; and n is 2 or 3.Type: ApplicationFiled: May 1, 2014Publication date: November 5, 2015Applicant: GENERAL ELECTRIC COMPANYInventors: Robert Joseph Lyons, James Edward Murphy, Anant Achyut Setlur, Jr.
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Patent number: 9145517Abstract: A detector for detecting high-energy radiation is disclosed. The detector includes scintillating material with a garnet structure includes gadolinium, yttrium, cerium, gallium, and aluminum. The scintillating material is expressed as (Gd1?x?y?zYxAyCez)3+u(Ga1?m?nAlmDn)5?uO12:wFO, wherein A is lutetium, lanthanum, terbium, dysprosium, or a combination thereof; D is indium, scandium, or a combination thereof; F is a divalent ion; 0?x<0.2, 0<y<0.5, 0.001<z<0.05, 0<u<0.1, 0?n<0.2, 0.3<m<0.6, and 10 ppm?w?300 ppm; and y/x>1.Type: GrantFiled: April 17, 2012Date of Patent: September 29, 2015Assignee: General Electric CompanyInventors: Haochuan Jiang, Anant Achyut Setlur, Robert Joseph Lyons, Kevin Alan David, James Edward Murphy
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Publication number: 20150176104Abstract: Systems and methods for recovery of rare-earth constituents from environmental barrier coatings are provided. One method includes extracting rare-earth (RE) oxide constituents from a feedstock containing RE silicates and non-RE contaminants. The method includes leaching the REs from the feedstock into an acid to form an acid solution, performing an oxalate precipitation on the acid solution to form an RE oxalate hydrate, and separating the RE oxalate hydrate from the acid solution. The method also includes heat treating the RE oxalate hydrate to form an RE oxide containing the RE elements extracted from the feedstock.Type: ApplicationFiled: December 20, 2013Publication date: June 25, 2015Applicant: General Electric CompanyInventors: Satya Kishore Manepalli, Theodore Robert Grossman, Don Mark Lipkin, Karthick Vilapakkam Gourishankar, Robert Joseph Lyons
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Publication number: 20150166887Abstract: A process for preparing a color stable Mn4+ doped complex fluoride phosphor of formula I includes Ax(M(1?m),Mnm)Fy??(I) contacting a first aqueous HF solution comprising (1?m) parts of a compound of formula HxMFy, and a second aqueous HF solution comprising m*n parts of a compound of formula Ax[MnFy], with a third aqueous HF solution comprising (1?n) parts of the compound of formula Ax[MnFy] and a compound of formula AaX, to yield a precipitate comprising the color stable Mn4+ doped complex fluoride phosphor; wherein A is Li, Na, K, Rb, Cs, NR4 or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; R is H, lower alkyl, or a combination thereof; X is an anion; a is the absolute value of the charge of the X anion; x is the absolute value of the charge of the [MFy] ion; y is 5, 6 or 7; 0<m?0.05; 0.1?n?1.Type: ApplicationFiled: December 12, 2014Publication date: June 18, 2015Inventors: James Edward Murphy, William Winder Beers, Robert Joseph Lyons, Fangming Du
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Publication number: 20150092912Abstract: Systems and method for filtering emissions from scintillators are provided. One system includes a scintillator having a scintillator material portion formed from a base scintillator material. The scintillator also includes a photodetector and a filter portion, The filter portion includes a material blocking near-infrared (IR) emissions. The filter portion is disposed on a surface of one of the scintillator material portion or the photodetector, and wherein the scintillator material portion, the photodetector, and the filter portion are coupled together. The filter portion blocks the near-IR emissions from impinging on the photodetector.Type: ApplicationFiled: November 6, 2013Publication date: April 2, 2015Applicant: General Electric CompanyInventors: Haochuan Jiang, Anant Achyut Setlur, Robert Joseph Lyons, Kevin Alan David, James Edward Murphy, Vladimir Lobastov