Patents by Inventor Suman Khatiwada
Suman Khatiwada 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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Patent number: 11890606Abstract: The present disclosure relates generally to reactor systems that include (a) a housing having an interior surface that may be at least partially reflective, (b) at least one reactor cell disposed within an interior of the housing, the at least one reactor cell including an enclosure and a plasmonic photocatalyst on a catalyst support disposed within the at least one enclosure, where the enclosure is optically transparent and includes at least one input for a reactant to enter the at least one cell and at least one output for a reformate to exit the at least one cell and (c) at least one light source disposed within the interior of the housing and/or external to the housing.Type: GrantFiled: June 26, 2018Date of Patent: February 6, 2024Assignee: Syzygy Plasmonics Inc.Inventors: Suman Khatiwada, Trevor William Best
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Patent number: 11883810Abstract: The present, disclosure relates generally to reactor cells comprising an enclosure and one or more plasmonic photocatalysts on a catalyst support disposed within the enclosure. In some embodiments of the disclosure, the enclosure is at least partially optically transparent.Type: GrantFiled: June 26, 2018Date of Patent: January 30, 2024Assignee: Syzygy Plasmonics Inc.Inventors: Suman Khatiwada, Trevor William Best
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Publication number: 20240009649Abstract: The present disclosure relates generally to reactor systems that include (a) a housing having an interior surface that may be at least partially reflective, (b) at least one reactor cell disposed within an interior of the housing, the at least one reactor cell including an enclosure and a plasmonic photocatalyst on a catalyst support disposed within the at least one enclosure, where the enclosure is optically transparent and includes at least one inlet for a reactant to enter the at least one cell and at least one outlet for a reformate to exit the at least one cell and (c) at least one light source disposed within the interior of the housing and/or external to the housing. At least one light-management feature and/or at least one thermal-management feature is applied to the reactor cell, reactor system, or a reformer system comprising many reactor systems, in order to improve efficiency.Type: ApplicationFiled: September 25, 2023Publication date: January 11, 2024Applicant: Syzygy Plasmonics Inc.Inventors: Suman Khatiwada, Shreya Shah, John Welch, Trevor William Best, Braden Paul Adams
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Patent number: 11779898Abstract: The present disclosure relates generally to reactor systems that include (a) a housing having an interior surface that may be at least partially reflective, (b) at least one reactor cell disposed within an interior of the housing, the at least one reactor cell including an enclosure and a plasmonic photocatalyst on a catalyst support disposed within the at least one enclosure, where the enclosure is optically transparent and includes at least one inlet for a reactant to enter the at least one cell and at least one outlet for a reformate to exit the at least one cell and (c) at least one light source disposed within the interior of the housing and/or external to the housing. At least one light-management feature and/or at least one thermal-management feature is applied to the reactor cell, reactor system, or a reformer system comprising many reactor systems, in order to improve efficiency.Type: GrantFiled: July 10, 2021Date of Patent: October 10, 2023Assignee: Syzygy Plasmonics Inc.Inventors: Suman Khatiwada, Shreya Shah, John Welch, Trevor William Best, Braden Paul Adams
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Publication number: 20230294984Abstract: The present disclosure is directed to systems and methods for reforming methane into hydrogen and a hydrocarbon fuel. In example embodiments, the methane reformer integrates a photocatalytic steam methane reforming (P-SMR) system with a subsequent photocatalytic dry methane reforming (P-DMR) system.Type: ApplicationFiled: July 20, 2021Publication date: September 21, 2023Applicant: Syzygy Plasmonics Inc.Inventors: Suman Khatiwada, Trevor William Best, Shreya Shah, Syed Ali Gardezi
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Patent number: 11435170Abstract: A system and apparatus for providing an apparatus for use in a wellbore. The apparatus includes an apparatus body defining a volume, a propellant disposed within the volume, wherein the propellant has a first burn rate, and at least one propellant insert disposed within the propellant, wherein the propellant insert has a second burn rate, and the second burn rate is different than the first burn rate.Type: GrantFiled: July 10, 2019Date of Patent: September 6, 2022Assignee: BAKER HUGHES INCORPORATEDInventors: Suman Khatiwada, John Welch, Anil Sadana, Ramon Garza
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Publication number: 20210339220Abstract: The present disclosure relates generally to reactor systems that include (a) a housing having an interior surface that may be at least partially reflective, (b) at least one reactor cell disposed within an interior of the housing, the at least one reactor cell including an enclosure and a plasmonic photocatalyst on a catalyst support disposed within the at least one enclosure, where the enclosure is optically transparent and includes at least one inlet for a reactant to enter the at least one cell and at least one outlet for a reformate to exit the at least one cell and (c) at least one light source disposed within the interior of the housing and/or external to the housing. At least one light-management feature and/or at least one thermal-management feature is applied to the reactor cell, reactor system, or a reformer system comprising many reactor systems, in order to improve efficiency.Type: ApplicationFiled: July 10, 2021Publication date: November 4, 2021Applicant: Syzygy Plasmonics Inc.Inventors: Suman Khatiwada, Shreya Shah, John Welch, Trevor William Best, Braden Paul Adams
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Publication number: 20210178378Abstract: The present disclosure relates generally to reactor systems that include (a) a housing having an interior surface that may be at least partially reflective, (b) at least one reactor cell disposed within an interior of the housing, the at least one reactor cell including an enclosure and a plasmonic photocatalyst on a catalyst support disposed within the at least one enclosure, where the enclosure is optically transparent and includes at least one input for a reactant to enter the at least one cell and at least one output for a reformate to exit the at least one cell and (c) at least one light source disposed within the interior of the housing and/or external to the housing.Type: ApplicationFiled: June 26, 2018Publication date: June 17, 2021Applicant: Syzygy Plasmonics Inc.Inventors: Suman KHATIWADA, Trevor William BEST
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Publication number: 20210178377Abstract: The present, disclosure relates generally to reactor cells comprising an enclosure and one or more plasmonic photocatalysts on a catalyst support disposed within the enclosure. In some embodiments of the disclosure, the enclosure is at least partially optically transparent.Type: ApplicationFiled: June 26, 2018Publication date: June 17, 2021Applicant: Syzygy Plasmonics Inc.Inventors: Suman KHATIWADA, Trevor William BEST
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Patent number: 10851611Abstract: A hybrid article comprises a disintegrable metal comprising one or more of the following: Mg; Al; Zn; Mn; an alloy thereof; or a composite thereof; and a disintegrable polymer comprising one or more of the following: an epoxy polymer derived from an epoxy base and a curing agent having cleavable bonds; a cured cyanate ester; or a poly(hexahydrotriazine).Type: GrantFiled: March 23, 2017Date of Patent: December 1, 2020Assignee: BAKER HUGHES, A GE COMPANY, LLCInventors: Suman Khatiwada, John C. Welch, Anil K. Sadana, Sayantan Roy
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Patent number: 10753016Abstract: In one embodiment, a method to form a downhole element is disclosed, including weaving a continuous glass filament and a continuous degradable thermoplastic filament to form a commingled glass fiber. In another embodiment, a commingled glass fiber is disclosed, including a continuous glass filament, and a continuous degradable thermoplastic filament interwoven with the continuous glass filament. In another embodiment, a downhole element is disclosed, including a commingled glass fiber. The commingled glass fiber includes a continuous glass filament, and a continuous degradable thermoplastic filament interwoven with the continuous glass filament.Type: GrantFiled: October 23, 2015Date of Patent: August 25, 2020Assignee: BAKER HUGHES, A GE COMPANY, LLCInventor: Suman Khatiwada
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Publication number: 20190331466Abstract: A system and apparatus for providing an apparatus for use in a wellbore. The apparatus includes an apparatus body defining a volume, a propellant disposed within the volume, wherein the propellant has a first burn rate, and at least one propellant insert disposed within the propellant, wherein the propellant insert has a second burn rate, and the second burn rate is different than the first burn rate.Type: ApplicationFiled: July 10, 2019Publication date: October 31, 2019Applicant: BAKER HUGHES INCORPORATEDInventors: Suman Khatiwada, John Welch, Anil Sadana, Ramon Garza
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Patent number: 10458197Abstract: A disintegrable polymer composite comprises: a polymer component comprising one or more of the following: a cured cyanate ester; a crosslinked unsaturated polyester; or a crosslinked vinyl ester resin; and dissolvable glass comprising about 55 to about 80 wt. % of SiO2, 0 to about 35 wt. % of Na2O, 0 to about 35 wt. % of K2O, 0 to about 20 wt. % of CaO, 0 to about 10 wt. % of MgO, provided that the sum of the weights of Na2O and K2O is about 20 wt. % to about 40 wt. %, wherein each weight percent is based on the total weight of the dissolvable glass.Type: GrantFiled: May 9, 2016Date of Patent: October 29, 2019Assignee: BAKER HUGES, A GE COMPANY, LLCInventors: Suman Khatiwada, Yusheng Yuan, Anil K. Sadana
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Patent number: 10393482Abstract: A system and apparatus for providing an apparatus for use in a wellbore. The apparatus includes an apparatus body defining a volume, a propellant disposed within the volume, wherein the propellant has a first burn rate, and at least one propellant insert disposed within the propellant, wherein the propellant insert has a second burn rate, and the second burn rate is different than the first burn rate.Type: GrantFiled: November 1, 2016Date of Patent: August 27, 2019Assignee: BAKER HUGHES, A GE COMPANY, LLCInventors: Suman Khatiwada, John Welch, Anil Sadana, Ramon Garza
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Patent number: 10329407Abstract: A degradable polymer composition comprises a polyurethane comprising ester groups in a backbone of the polyurethane and carboxylic acid groups attached to the backbone of the polyurethane; and a filler comprising one or more of the following: a powder comprising particles having an average particle size of about 5 microns to about 500 microns; or a fiber having an average length of about ? inch to about 5 inches. Also disclosed are articles comprising the composition. A method to degrade the article includes exposing the article to a fluid at a temperature of about 25° C. to about 300° C.Type: GrantFiled: November 30, 2015Date of Patent: June 25, 2019Assignee: BAKER HUGHES, A GE COMPANY, LLCInventors: Ping Duan, Anil K. Sadana, Suman Khatiwada, Yingqing Xu, Xiao Wang
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Publication number: 20180120066Abstract: A system and apparatus for providing an apparatus for use in a wellbore. The apparatus includes an apparatus body defining a volume, a propellant disposed within the volume, wherein the propellant has a first burn rate, and at least one propellant insert disposed within the propellant, wherein the propellant insert has a second burn rate, and the second burn rate is different than the first burn rate.Type: ApplicationFiled: November 1, 2016Publication date: May 3, 2018Applicant: BAKER HUGHES INCORPORATEDInventors: Suman Khatiwada, John Welch, Anil Sadana, Ramon Garza
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Publication number: 20170291222Abstract: A hybrid article comprises a disintegrable metal comprising one or more of the following: Mg; Al; Zn; Mn; an alloy thereof; or a composite thereof; and a disintegrable polymer comprising one or more of the following: an epoxy polymer derived from an epoxy base and a curing agent having cleavable bonds; a cured cyanate ester; or a poly(hexahydrotriazine).Type: ApplicationFiled: March 23, 2017Publication date: October 12, 2017Inventors: Suman Khatiwada, John C. Welch, Anil K. Sadana, Sayantan Roy
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Publication number: 20170152371Abstract: A degradable polymer composition comprises a polyurethane comprising ester groups in a backbone of the polyurethane and carboxylic acid groups attached to the backbone of the polyurethane; and a filler comprising one or more of the following: a powder comprising particles having an average particle size of about 5 microns to about 500 microns; or a fiber having an average length of about ? inch to about 5 inches. Also disclosed are articles comprising the composition. A method to degrade the article includes exposing the article to a fluid at a temperature of about 25° C. to about 300° C.Type: ApplicationFiled: November 30, 2015Publication date: June 1, 2017Applicant: Baker Hughes IncorporatedInventors: Ping Duan, Anil K. Sadana, Suman Khatiwada, Yingqing Xu, Xiao Wang
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Patent number: 9637827Abstract: The present disclosure pertains to methods of protecting a surface (e.g., a metal surface) from corrosion by conformably attaching a hybrid device comprising at least one multilayer energy storage device and at least one energy conversion device.Type: GrantFiled: October 1, 2014Date of Patent: May 2, 2017Assignee: WILLIAM MARSH RICE UNIVERSITYInventors: Charudatta Galande, Neelam Singh, Suman Khatiwada, Pulickel M. Ajayan
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Publication number: 20170114480Abstract: In one embodiment, a method to form a downhole element is disclosed, including weaving a continuous glass filament and a continuous degradable thermoplastic filament to form a commingled glass fiber. In another embodiment, a commingled glass fiber is disclosed, including a continuous glass filament, and a continuous degradable thermoplastic filament interwoven with the continuous glass filament. In another embodiment, a downhole element is disclosed, including a commingled glass fiber. The commingled glass fiber includes a continuous glass filament, and a continuous degradable thermoplastic filament interwoven with the continuous glass filament.Type: ApplicationFiled: October 23, 2015Publication date: April 27, 2017Applicant: Baker Hughes IncorporatedInventor: Suman Khatiwada