Patents by Inventor James J. Watkins

James J. Watkins 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).

  • THERMAL IMPRINTING OF NANOSTRUCTURE MATERIALS
    Publication number: 20250068063
    Abstract: Various examples disclosed relate to a method of manufacturing a mechanically stabilized material that includes a nanostructure. The method includes providing a curable material disposed on a substrate. The curable material includes inorganic nanoparticles. The method further includes exposing the curable material and the substrate to pulsed electromagnetic radiation to form the mechanically stabilized material.
    Type: Application
    Filed: November 8, 2024
    Publication date: February 27, 2025
    Inventors: James J. Watkins, Feyza Dundar Arisoy, Irene R. Howell, Vincent Einck
  • FORMULATIONS FOR FORMING A STRUCTURED NANOPARTICLE COMPOSITE
    Publication number: 20250060664
    Abstract: Structured nanoparticle composite and methods and formulations for forming the same. A formulation for forming a structured nanoparticle composite includes a nanoparticle with an average diameter of less than 50 nm. The formulation includes at least one solvent with a boiling point of 40° C. to 300° C. The formulation includes a binder for the nanoparticles that is the solvent or that has a different chemical structure than the solvent.
    Type: Application
    Filed: December 16, 2022
    Publication date: February 20, 2025
    Inventors: James J. Watkins, Vincent Einck, Daeeon Jung
  • Master mold for pattern transfer
    Patent number: 12204242
    Abstract: In various embodiments, the present invention provides a method comprising: disposing upon a first substrate, a first coating; texturing the first coating with a stamp; treating the textured first coating to form a master mold; where the master mold contains a mirror image of the texture contained in the first coating; and transferring the texture from the master mold to a second substrate.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: January 21, 2025
    Assignee: University of Massachusetts
    Inventors: James J. Watkins, Feyza Dundar
  • Thermal imprinting of nanostructure materials
    Patent number: 12174533
    Abstract: Various examples disclosed relate to a method of manufacturing a mechanically stabilized material that includes a nanostructure. The method includes providing a curable material disposed on a substrate. The curable material includes inorganic nanoparticles. The method further includes exposing the curable material and the substrate to pulsed electromagnetic radiation to form the mechanically stabilized material.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: December 24, 2024
    Assignee: University of Massachusetts
    Inventors: James J. Watkins, Feyza Dundar Arisoy, Irene R. Howell, Vincent Einck
  • METHOD OF FORMING GRAPHENE FILMS
    Publication number: 20240417263
    Abstract: Methods for formation of graphene films, graphene films made thereby, and applications thereof. A method for the formation of a graphene film includes coating a polymeric graphene precursor on a substrate. The method includes irradiating the polymeric graphene precursor coated on the substrate with a pulsed high intensity light source emitting at more than a single wavelength and with a pulse duration of less than one second, to convert the polymeric graphene precursor to the graphene film.
    Type: Application
    Filed: October 18, 2022
    Publication date: December 19, 2024
    Inventors: James J. Watkins, Uzodinma Okoroanyanwu, Ayush Bhardwaj
  • PATTERNING OF COMPLEX METAL OXIDE STRUCTURES
    Publication number: 20240411224
    Abstract: Various embodiments disclosed relate to methods of manufacturing textured surfaces nanoimprint lithography with nanoparticulate inks. The present invention provides methods that allow flexible patterning of substrates with features having complex geometries.
    Type: Application
    Filed: August 16, 2024
    Publication date: December 12, 2024
    Inventors: James J. Watkins, Irene R. Howell
  • Patterning of complex metal oxide structures
    Patent number: 12099294
    Abstract: Various embodiments disclosed relate to methods of manufacturing textured surfaces nanoimprint lithography with nanoparticulate inks. The present invention provides methods that allow flexible patterning of substrates with features having complex geometries.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: September 24, 2024
    Assignee: University of Massachusetts
    Inventors: James J. Watkins, Irene R. Howell
  • Patterning of nanostructures using imprint lithography
    Patent number: 12092953
    Abstract: Various embodiments disclosed relate to methods of manufacturing a textured surface comprising disposing a nanoparticulate ink on a substrate.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: September 17, 2024
    Assignee: University of Massachusetts
    Inventors: James J. Watkins, Rohit Kothari
  • Direct printing of 3-D microbatteries and electrodes
    Patent number: 12051795
    Abstract: Various embodiments disclosed relate to novel methods of fabricating 3-D Li ion batteries using direct nanoimprint lithography. The present invention includes methods of fabricating high surface area electrodes, including imprint patterning of high aspect ratio parallel grating style electrodes. The method includes coating a substrate with an ink containing nanoparticles and subsequently annealing the ink into a desired pattern.
    Type: Grant
    Filed: June 22, 2022
    Date of Patent: July 30, 2024
    Assignee: University of Massachusetts
    Inventors: James J. Watkins, Wenhao Li
  • NANOPOROUS STRUCTURES AND ASSEMBLIES INCORPORATING THE SAME
    Publication number: 20240217886
    Abstract: Various embodiments disclosed relate to a method of forming a composite including a carbon composite structure. The method includes disposing a precursor composition on a substrate. The composition includes a porogen component, a carbon component, and a catalyst component. The method further includes irradiating the precursor composition to form the carbon composite structure.
    Type: Application
    Filed: March 14, 2024
    Publication date: July 4, 2024
    Inventors: James J. Watkins, Dong-Po Song, Wenhao Li
  • Nanoporous structures and assemblies incorporating the same
    Patent number: 11964920
    Abstract: Various embodiments disclosed relate to a method of forming a composite including a carbon composite structure. The method includes disposing a precursor composition on a substrate. The composition includes a porogen component, a carbon component, and a catalyst component. The method further includes irradiating the precursor composition to form the carbon composite structure.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: April 23, 2024
    Assignee: University of Massachusetts
    Inventors: James J. Watkins, Dong-Po Song, Wenhao Li
  • DIRECT PRINTING OF 3-D MICROBATTERIES AND ELECTRODES
    Publication number: 20220328802
    Abstract: Various embodiments disclosed relate to novel methods of fabricating 3-D Li ion batteries using direct nanoimprint lithography. The present invention includes methods of fabricating high surface area electrodes, including imprint patterning of high aspect ratio parallel grating style electrodes. The method includes coating a substrate with an ink containing nanoparticles and subsequently annealing the ink into a desired pattern.
    Type: Application
    Filed: June 22, 2022
    Publication date: October 13, 2022
    Inventors: James J. Watkins, Wenhao Li
  • THERMAL IMPRINTING OF NANOSTRUCTURE MATERIALS
    Publication number: 20220260904
    Abstract: Various examples disclosed relate to a method of manufacturing a mechanically stabilized material that includes a nanostructure. The method includes providing a curable material disposed on a substrate. The curable material includes inorganic nanoparticles. The method further includes exposing the curable material and the substrate to pulsed electromagnetic radiation to form the mechanically stabilized material.
    Type: Application
    Filed: July 22, 2020
    Publication date: August 18, 2022
    Inventors: James J. Watkins, Feyza Dundar, Irene R. Howell, Vincent Einck
  • Direct printing of 3-d microbatteries and electrodes
    Patent number: 11387438
    Abstract: Various embodiments disclosed relate to novel methods of fabricating 3-D Li ion batteries using direct nanoimprint lithography. The present invention includes methods of fabricating high surface area electrodes, including imprint patterning of high aspect ratio parallel grating style electrodes. The method includes coating a substrate with an ink containing nanoparticles and subsequently annealing the ink into a desired pattern.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: July 12, 2022
    Assignee: University of Massachusetts
    Inventors: James J. Watkins, Wenhao Li
  • Active cooling of cold-spray nozzles
    Patent number: 11148153
    Abstract: Various embodiments disclosed relate to a method of cold-spray deposition involving cooling the cold-spray nozzle by at least one of expanding and vaporizing a compressed cooling fluid in proximity to the cold-spray nozzle. The present disclosure also includes a cold-spray deposition spray head, a cooling jacket for a cold-spray deposition nozzle and a cold-spray deposition system comprising the same.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: October 19, 2021
    Assignees: University of Massachusetts, The United States of America as Represented by the Secretary of the Army
    Inventors: James J. Watkins, David Schmidt, Jacobo Morere Rodriguez, Victor K. Champagne
  • NANOPOROUS STRUCTURES AND ASSEMBLIES INCORPORATING THE SAME
    Publication number: 20200377420
    Abstract: Various embodiments disclosed relate to a method of forming a composite including a carbon composite structure. The method includes disposing a precursor composition on a substrate. The composition includes a porogen component, a carbon component, and a catalyst component. The method further includes irradiating the precursor composition to form the carbon composite structure.
    Type: Application
    Filed: August 18, 2017
    Publication date: December 3, 2020
    Inventors: James J. Watkins, Dong-Po Song, Wenhao Li
  • PATTERNING OF COMPLEX METAL OXIDE STRUCTURES
    Publication number: 20200285145
    Abstract: Various embodiments disclosed relate to methods of manufacturing textured surfaces nanoimprint lithography with nanoparticulate inks. The present invention provides methods that allow flexible patterning of substrates with features having complex geometries.
    Type: Application
    Filed: September 28, 2018
    Publication date: September 10, 2020
    Inventors: James J. Watkins, Irene R. Howell
  • DIRECT PRINTING OF 3-D MICROBATTERIES AND ELECTRODES
    Publication number: 20200091498
    Abstract: Various embodiments disclosed relate to novel methods of fabricating 3-D Li ion batteries using direct nanoimprint lithography. The present invention includes methods of fabricating high surface area electrodes, including imprint patterning of high aspect ratio parallel grating style electrodes. The method includes coating a substrate with an ink containing nanoparticles and subsequently annealing the ink into a desired pattern.
    Type: Application
    Filed: March 16, 2018
    Publication date: March 19, 2020
    Inventors: James J. Watkins, Wenhao Li
  • MASTER MOLD FOR PATTERN TRANSFER
    Publication number: 20200073234
    Abstract: In various embodiments, the present invention provides a method comprising: disposing upon a first substrate, a first coating; texturing the first coating with a stamp; treating the textured first coating to form a master mold; where the master mold contains a mirror image of the texture contained in the first coating; and transferring the texture from the master mold to a second substrate.
    Type: Application
    Filed: December 8, 2017
    Publication date: March 5, 2020
    Inventors: James J. Watkins, Feyza Dundar
  • ACTIVE COOLING OF COLD-SPRAY NOZZLES
    Publication number: 20200023390
    Abstract: Various embodiments disclosed relate to a method of cold-spray deposition involving cooling the cold-spray nozzle by at least one of expanding and vaporizing a compressed cooling fluid in proximity to the cold-spray nozzle. The present disclosure also includes a cold-spray deposition spray head, a cooling jacket for a cold-spray deposition nozzle and a cold-spray deposition system comprising the same.
    Type: Application
    Filed: April 19, 2019
    Publication date: January 23, 2020
    Inventors: James J. Watkins, David Schmidt, Jacobo Morere Rodriguez, Victor K. Champagne