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).

  • Patent number: 11890606
    Abstract: 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: Grant
    Filed: June 26, 2018
    Date of Patent: February 6, 2024
    Assignee: Syzygy Plasmonics Inc.
    Inventors: Suman Khatiwada, Trevor William Best
  • Patent number: 11883810
    Abstract: 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: Grant
    Filed: June 26, 2018
    Date of Patent: January 30, 2024
    Assignee: Syzygy Plasmonics Inc.
    Inventors: Suman Khatiwada, Trevor William Best
  • Publication number: 20240009649
    Abstract: 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: Application
    Filed: September 25, 2023
    Publication date: January 11, 2024
    Applicant: Syzygy Plasmonics Inc.
    Inventors: Suman Khatiwada, Shreya Shah, John Welch, Trevor William Best, Braden Paul Adams
  • Patent number: 11779898
    Abstract: 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: Grant
    Filed: July 10, 2021
    Date of Patent: October 10, 2023
    Assignee: Syzygy Plasmonics Inc.
    Inventors: Suman Khatiwada, Shreya Shah, John Welch, Trevor William Best, Braden Paul Adams
  • Publication number: 20230294984
    Abstract: 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: Application
    Filed: July 20, 2021
    Publication date: September 21, 2023
    Applicant: Syzygy Plasmonics Inc.
    Inventors: Suman Khatiwada, Trevor William Best, Shreya Shah, Syed Ali Gardezi
  • Patent number: 11435170
    Abstract: 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: Grant
    Filed: July 10, 2019
    Date of Patent: September 6, 2022
    Assignee: BAKER HUGHES INCORPORATED
    Inventors: Suman Khatiwada, John Welch, Anil Sadana, Ramon Garza
  • Publication number: 20210339220
    Abstract: 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: Application
    Filed: July 10, 2021
    Publication date: November 4, 2021
    Applicant: Syzygy Plasmonics Inc.
    Inventors: Suman Khatiwada, Shreya Shah, John Welch, Trevor William Best, Braden Paul Adams
  • Publication number: 20210178378
    Abstract: 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: Application
    Filed: June 26, 2018
    Publication date: June 17, 2021
    Applicant: Syzygy Plasmonics Inc.
    Inventors: Suman KHATIWADA, Trevor William BEST
  • Publication number: 20210178377
    Abstract: 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: Application
    Filed: June 26, 2018
    Publication date: June 17, 2021
    Applicant: Syzygy Plasmonics Inc.
    Inventors: Suman KHATIWADA, Trevor William BEST
  • Patent number: 10851611
    Abstract: 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: Grant
    Filed: March 23, 2017
    Date of Patent: December 1, 2020
    Assignee: BAKER HUGHES, A GE COMPANY, LLC
    Inventors: Suman Khatiwada, John C. Welch, Anil K. Sadana, Sayantan Roy
  • Patent number: 10753016
    Abstract: 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: Grant
    Filed: October 23, 2015
    Date of Patent: August 25, 2020
    Assignee: BAKER HUGHES, A GE COMPANY, LLC
    Inventor: Suman Khatiwada
  • Publication number: 20190331466
    Abstract: 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: Application
    Filed: July 10, 2019
    Publication date: October 31, 2019
    Applicant: BAKER HUGHES INCORPORATED
    Inventors: Suman Khatiwada, John Welch, Anil Sadana, Ramon Garza
  • Patent number: 10458197
    Abstract: 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: Grant
    Filed: May 9, 2016
    Date of Patent: October 29, 2019
    Assignee: BAKER HUGES, A GE COMPANY, LLC
    Inventors: Suman Khatiwada, Yusheng Yuan, Anil K. Sadana
  • Patent number: 10393482
    Abstract: 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: Grant
    Filed: November 1, 2016
    Date of Patent: August 27, 2019
    Assignee: BAKER HUGHES, A GE COMPANY, LLC
    Inventors: Suman Khatiwada, John Welch, Anil Sadana, Ramon Garza
  • Patent number: 10329407
    Abstract: 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: Grant
    Filed: November 30, 2015
    Date of Patent: June 25, 2019
    Assignee: BAKER HUGHES, A GE COMPANY, LLC
    Inventors: Ping Duan, Anil K. Sadana, Suman Khatiwada, Yingqing Xu, Xiao Wang
  • Publication number: 20180120066
    Abstract: 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: Application
    Filed: November 1, 2016
    Publication date: May 3, 2018
    Applicant: BAKER HUGHES INCORPORATED
    Inventors: Suman Khatiwada, John Welch, Anil Sadana, Ramon Garza
  • Publication number: 20170291222
    Abstract: 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: Application
    Filed: March 23, 2017
    Publication date: October 12, 2017
    Inventors: Suman Khatiwada, John C. Welch, Anil K. Sadana, Sayantan Roy
  • Publication number: 20170152371
    Abstract: 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: Application
    Filed: November 30, 2015
    Publication date: June 1, 2017
    Applicant: Baker Hughes Incorporated
    Inventors: Ping Duan, Anil K. Sadana, Suman Khatiwada, Yingqing Xu, Xiao Wang
  • Patent number: 9637827
    Abstract: 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: Grant
    Filed: October 1, 2014
    Date of Patent: May 2, 2017
    Assignee: WILLIAM MARSH RICE UNIVERSITY
    Inventors: Charudatta Galande, Neelam Singh, Suman Khatiwada, Pulickel M. Ajayan
  • Publication number: 20170114480
    Abstract: 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: Application
    Filed: October 23, 2015
    Publication date: April 27, 2017
    Applicant: Baker Hughes Incorporated
    Inventor: Suman Khatiwada