Patents by Inventor David A. Love

David A. Love 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).

  • Publication number: 20240307881
    Abstract: A device for manipulating microdroplets using optically-mediated electrowetting comprising: a first composite wall comprising: a first transparent substrate; a first transparent conductor layer on the substrate having a thickness of 70 to 250 nm; a photoactive layer activated by electromagnetic radiation in the wavelength range 400-1000 nm on the conductor layer having a thickness of 300-1000 nm; and a first dielectric layer on the conductor layer having a thickness of 120-160 nm; a second composite wall comprised of: a second substrate; a second conductor layer on the substrate having a thickness of 70 to 250 nm; and an A/C source to provide a voltage across the first and second composite walls connecting the first and second conductor layers; at least one source of electromagnetic radiation having an energy higher than the bandgap of the photoexcitable layer; and means for manipulating the points of impingement of the electromagnetic radiation on the photoactive layer.
    Type: Application
    Filed: May 28, 2024
    Publication date: September 19, 2024
    Applicant: LIGHTCAST DISCOVERY LTD
    Inventors: Thomas Henry ISAAC, Pedro CUNHA, Eoin SHERIDAN, David LOVE, Rebecca PALMER, Douglas J. KELLY, Gareth PODD
  • Publication number: 20240309118
    Abstract: The present disclosure provides methods of controlling the size of cellulose crystals by mixing a first composition comprising cellulose and coagulating this mixture with varying concentrations of hydrogen peroxide.
    Type: Application
    Filed: May 24, 2024
    Publication date: September 19, 2024
    Inventors: David Salas de la Cruz, Xiao Hu, Stacy Love, David Verrill
  • Patent number: 12030055
    Abstract: A device comprising: a first zone comprising an attachment site; a first pathway; a second pathway and a means for creating a second medium comprised of aqueous microdroplets in a carrier; a microdroplet manipulation zone comprising: a first composite wall comprised of a first transparent substrate; a first transparent conductor layer on the substrate; a photoactive layer activated by electromagnetic radiation; and a first dielectric layer on the photoactive layer; a second composite wall comprised of a second substrate; a second conductor layer on the substrate; and optionally a second dielectric layer on the conductor layer; an A/C source; a source of first electromagnetic radiation; means for manipulating the points of impingement of the electromagnetic radiation on the photoactive layer; an detection zone disposed downstream of the microdroplet manipulation zone or integral therewith; and a fluorescence or Raman-scattering detection system.
    Type: Grant
    Filed: March 30, 2022
    Date of Patent: July 9, 2024
    Assignee: LIGHTCAST DISCOVERY LTD
    Inventors: Thomas Henry Isaac, Pedro Cunha, Eoin Sheridan, David Love, Rebecca Palmer, Douglas J Kelly, Gareth Podd
  • Patent number: 12017224
    Abstract: A device for manipulating microdroplets using optically-mediated electrowetting comprising: a first composite wall comprising: a first transparent substrate; a first transparent conductor layer on the substrate having a thickness of 70 to 250 nm; a photoactive layer activated by electromagnetic radiation in the wavelength range 400-1000 nm on the conductor layer having a thickness of 300-1000 nm; and a first dielectric layer on the conductor layer having a thickness of 120-160 nm; a second composite wall comprised of: a second substrate; a second conductor layer on the substrate having a thickness of 70 to 250 nm; and an A/C source to provide a voltage across the first and second composite walls connecting the first and second conductor layers; at least one source of electromagnetic radiation having an energy higher than the bandgap of the photoexcitable layer; and means for manipulating the points of impingement of the electromagnetic radiation on the photoactive layer.
    Type: Grant
    Filed: October 19, 2022
    Date of Patent: June 25, 2024
    Assignee: LIGHTCAST DISCOVERY LTD
    Inventors: Thomas Henry Isaac, Pedro Cunha, Eoin Sheridan, David Love, Rebecca Palmer, Douglas J. Kelly, Gareth Podd
  • Publication number: 20240125028
    Abstract: Indigo-dyed garments are treated with an anti-ozone agent to prevent ozone-related degradation of the garments before laser finishing. Without treatment, the garments can exhibit color loss (e.g., color change or fading) from exposure to ozone in the atmosphere. The indigo-dyed garments with anti-ozone treatment can serve as base templates in a laser finishing process flow. The anti-ozone treatment of the base templates can include a rinse including an ascorbic acid or vitamin C constituent during a base preparation process. Then quantities of these base templates can manufactured and stored for periods of time without exhibiting ozone-related degradation effects.
    Type: Application
    Filed: July 18, 2023
    Publication date: April 18, 2024
    Inventors: James Barton Sights, David Love, Elizabeth O'Neill, Benjamin Bell, Jennifer Schultz, Christopher Schultz, Debdulal Mahanty, Sachith Devendra Samarasinghe, Chatura Atukorala, Jeff Zens
  • Publication number: 20240099408
    Abstract: Delayed finishing of apparel products, such as by way of laser finishing, allows an operating model that reduces finishing cost, lowers carrying costs, increases productivity, shortens time to market, be more reactive to trends, reduce product constraints, reduces lost sales and dilution, and more. Improved aspects include design, development, planning, merchandising, selling, making, and delivering. The model uses fabric templates, each of which can be used to produce a multitude of finishes. Operational efficiency is improved.
    Type: Application
    Filed: December 5, 2023
    Publication date: March 28, 2024
    Inventors: James Barton James, David Love, Elizabeth O'Neill, Jeff Zens
  • Patent number: 11904319
    Abstract: A device for manipulating microdroplets using optically-mediated electrowetting comprising: a first composite wall comprising: a first transparent substrate; a first transparent conductor layer on the substrate having a thickness of 70 to 250 nm; a photoactive layer activated by electromagnetic radiation in the wavelength range 400-1000 nm on the conductor layer having a thickness of 300-1000 nm; and a first dielectric layer on the conductor layer having a thickness of 120-160 nm; a second composite wall comprised of: a second substrate; a second conductor layer on the substrate having a thickness of 70 to 250 nm; and an A/C source to provide a voltage across the first and second composite walls connecting the first and second conductor layers; at least one source of electromagnetic radiation having an energy higher than the bandgap of the photoexcitable layer; and means for manipulating the points of impingement of the electromagnetic radiation on the photoactive layer.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: February 20, 2024
    Assignee: LIGHTCAST DISCOVERY LTD
    Inventors: Thomas Henry Isaac, Pedro Cunha, Eoin Sheridan, David Love, Rebecca Palmer, Douglas J. Kelly, Gareth Podd
  • Patent number: 11857014
    Abstract: Laser finishing of apparel products allows an operating model that reduces finishing cost, lowers carrying costs, increases productivity, shortens time to market, be more reactive to trends, reduce product constraints, reduces lost sales and dilution, and more. Improved aspects include design, development, planning, merchandising, selling, making, and delivering. The model uses fabric templates, each of which can be used to produce a multitude of laser finishes. Operational efficiency is improved.
    Type: Grant
    Filed: February 8, 2022
    Date of Patent: January 2, 2024
    Assignee: Levi Strauss & Co.
    Inventors: Elizabeth O'Neill, James Barton Sights, Jeff Zens, David Love
  • Patent number: 11840788
    Abstract: Indigo-dyed garments are treated with an anti-ozone agent to prevent ozone-related degradation of the garments before laser finishing. Without treatment, the garments can exhibit color loss (e.g., color change or fading) from exposure to ozone in the atmosphere. The indigo-dyed garments with anti-ozone treatment can serve as base templates in a laser finishing process flow. The anti-ozone treatment of the base templates can include a rinse including an ascorbic acid or vitamin C constituent during a base preparation process. Then quantities of these base templates can manufactured and stored for periods of time without exhibiting ozone-related degradation effects.
    Type: Grant
    Filed: July 12, 2022
    Date of Patent: December 12, 2023
    Assignee: Levi Strauss & Co.
    Inventors: Chatura Atukorala, James Barton Sights, David Love, Elizabeth O'Neill, Jeff Zens, Benjamin Bell, Jennifer Schultz, Christopher Schultz, Debdulal Mahanty, Sachith Devendra Samarasinghe
  • Patent number: 11832670
    Abstract: Laser finishing of apparel products allows an operating model that reduces finishing cost, lowers carrying costs, increases productivity, shortens time to market, be more reactive to trends, reduce product constraints, reduces lost sales and dilution, and more. Improved aspects include design, development, planning, merchandising, selling, making, and delivering. The model uses fabric templates, each of which can be used to produce a multitude of laser finishes. Operational efficiency is improved.
    Type: Grant
    Filed: February 8, 2022
    Date of Patent: December 5, 2023
    Assignee: Levi Strauss & Co.
    Inventors: Elizabeth O'Neill, James Barton Sights, Jeff Zens, David Love
  • Publication number: 20230380533
    Abstract: Laser finishing of apparel products allows an operating model that reduces finishing cost, lowers carrying costs, increases productivity, shortens time to market, be more reactive to trends, reduce product constraints, reduces lost sales and dilution, and more. Improved aspects include design, development, planning, merchandising, selling, making, and delivering. The model uses fabric templates, each of which can be used to produce a multitude of laser finishes. Operational efficiency is improved.
    Type: Application
    Filed: August 11, 2023
    Publication date: November 30, 2023
    Inventors: James Barton Sights, David Love, Elizabeth O'Neill, Jeff Zens
  • Patent number: 11723426
    Abstract: Laser finishing of apparel products allows an operating model that reduces finishing cost, lowers carrying costs, increases productivity, shortens time to market, be more reactive to trends, reduce product constraints, reduces lost sales and dilution, and more. Improved aspects include design, development, planning, merchandising, selling, making, and delivering. The model uses fabric templates, each of which can be used to produce a multitude of laser finishes. Operational efficiency is improved.
    Type: Grant
    Filed: February 8, 2022
    Date of Patent: August 15, 2023
    Assignee: Levi Strauss & Co.
    Inventors: Elizabeth O'Neill, James Barton Sights, Jeff Zens, David Love
  • Patent number: 11702783
    Abstract: Indigo-dyed garments are treated with an anti-ozone agent to prevent ozone-related degradation of the garments before laser finishing. Without treatment, the garments can exhibit color loss (e.g., color change or fading) from exposure to ozone in the atmosphere. The indigo-dyed garments with anti-ozone treatment can serve as base templates in a laser finishing process flow. The anti-ozone treatment of the base templates can include a rinse including an ascorbic acid or vitamin C constituent during a base preparation process. Then quantities of these base templates can manufactured and stored for periods of time without exhibiting ozone-related degradation effects.
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: July 18, 2023
    Assignee: Levi Strauss & Co.
    Inventors: Chatura Atukorala, James Barton Sights, David Love, Elizabeth O'Neill, Jeff Zens, Benjamin Bell, Jennifer Schultz, Christopher Schultz, Debdulal Mahanty, Sachith Devendra Samarasinghe
  • Publication number: 20230042172
    Abstract: A device for manipulating microdroplets using optically-mediated electrowetting comprising: a first composite wall comprising: a first transparent substrate; a first transparent conductor layer on the substrate having a thickness of 70 to 250 nm; a photoactive layer activated by electromagnetic radiation in the wavelength range 400-1000 nm on the conductor layer having a thickness of 300-1000 nm; and a first dielectric layer on the conductor layer having a thickness of 120-160 nm; a second composite wall comprised of: a second substrate; a second conductor layer on the substrate having a thickness of 70 to 250 nm; and an A/C source to provide a voltage across the first and second composite walls connecting the first and second conductor layers; at least one source of electromagnetic radiation having an energy higher than the bandgap of the photoexcitable layer; and means for manipulating the points of impingement of the electromagnetic radiation on the photoactive layer.
    Type: Application
    Filed: October 19, 2022
    Publication date: February 9, 2023
    Applicant: LIGHTCAST DISCOVERY LTD
    Inventors: Thomas Henry ISAAC, Pedro CUNHA, Eoin SHERIDAN, David LOVE, Rebecca PALMER, Douglas J. KELLY, Gareth PODD
  • Publication number: 20220349100
    Abstract: Indigo-dyed garments are treated with an anti-ozone agent to prevent ozone-related degradation of the garments before laser finishing. Without treatment, the garments can exhibit color loss (e.g., color change or fading) from exposure to ozone in the atmosphere. The indigo-dyed garments with anti-ozone treatment can serve as base templates in a laser finishing process flow. The anti-ozone treatment of the base templates can include a rinse including an ascorbic acid or vitamin C constituent during a base preparation process. Then quantities of these base templates can manufactured and stored for periods of time without exhibiting ozone-related degradation effects.
    Type: Application
    Filed: July 12, 2022
    Publication date: November 3, 2022
    Inventors: Chatura Atukorala, James Barton Sights, David Love, Elizabeth O'Neill, Jeff Zens, Benjamin Bell, Jennifer Schultz, Christopher Schultz, Debdulal Mahanty, Sachith Devendra Samarasinghe
  • Publication number: 20220232920
    Abstract: Laser finishing of apparel products allows an operating model that reduces finishing cost, lowers carrying costs, increases productivity, shortens time to market, be more reactive to trends, reduce product constraints, reduces lost sales and dilution, and more. Improved aspects include design, development, planning, merchandising, selling, making, and delivering. The model uses fabric templates, each of which can be used to produce a multitude of laser finishes. Operational efficiency is improved.
    Type: Application
    Filed: February 8, 2022
    Publication date: July 28, 2022
    Inventors: Elizabeth O'Neill, James Barton Sights, Jeff Zens, David Love
  • Publication number: 20220235504
    Abstract: Indigo-dyed garments are treated with an anti-ozone agent to prevent ozone-related degradation of the garments before laser finishing. Without treatment, the garments can exhibit color loss (e.g., color change or fading) from exposure to ozone in the atmosphere. The indigo-dyed garments with anti-ozone treatment can serve as base templates in a laser finishing process flow. The anti-ozone treatment of the base templates can include a rinse including an ascorbic acid or vitamin C constituent during a base preparation process. Then quantities of these base templates can manufactured and stored for periods of time without exhibiting ozone-related degradation effects.
    Type: Application
    Filed: April 12, 2022
    Publication date: July 28, 2022
    Inventors: Chatura Atukorala, James Barton Sights, David Love, Elizabeth O'Neill, Jeff Zens, Benjamin Bell, Jennifer Schultz, Christopher Schultz, Debdulal Mahanty, Sachith Devendra Samarasinghe
  • Publication number: 20220225716
    Abstract: Laser finishing of apparel products allows an operating model that reduces finishing cost, lowers carrying costs, increases productivity, shortens time to market, be more reactive to trends, reduce product constraints, reduces lost sales and dilution, and more. Improved aspects include design, development, planning, merchandising, selling, making, and delivering. The model uses fabric templates, each of which can be used to produce a multitude of laser finishes. Operational efficiency is improved.
    Type: Application
    Filed: February 8, 2022
    Publication date: July 21, 2022
    Inventors: Elizabeth O'Neill, James Barton Sights, Jeff Zens, David Love
  • Publication number: 20220225715
    Abstract: Laser finishing of apparel products allows an operating model that reduces finishing cost, lowers carrying costs, increases productivity, shortens time to market, be more reactive to trends, reduce product constraints, reduces lost sales and dilution, and more. Improved aspects include design, development, planning, merchandising, selling, making, and delivering. The model uses fabric templates, each of which can be used to produce a multitude of laser finishes. Operational efficiency is improved.
    Type: Application
    Filed: February 8, 2022
    Publication date: July 21, 2022
    Inventors: Elizabeth O'Neill, James Barton Sights, Jeff Zens, David Love
  • Publication number: 20220219173
    Abstract: A device comprising: a first zone comprising an attachment site; a first pathway; a second pathway and a means for creating a second medium comprised of aqueous microdroplets in a carrier; a microdroplet manipulation zone comprising: a first composite wall comprised of a first transparent substrate; a first transparent conductor layer on the substrate; a photoactive layer activated by electromagnetic radiation; and a first dielectric layer on the conductor layer; a second composite wall comprised of a second substrate; a second conductor layer on the substrate; and optionally a second dielectric layer on the conductor layer; an A/C source; a source of first electromagnetic radiation; means for manipulating the points of impingement of the electromagnetic radiation on the photoactive layer; an detection zone disposed downstream of the microdroplet manipulation zone or integral therewith; and a fluorescence or Raman-scattering detection system.
    Type: Application
    Filed: March 30, 2022
    Publication date: July 14, 2022
    Applicant: LIGHTCAST DISCOVERY LTD
    Inventors: Thomas Henry ISAAC, Pedro CUNHA, Eoin SHERIDAN, David LOVE, Rebecca PALMER, Douglas J KELLY, Gareth PODD