Patents by Inventor Suwan JAYASINGHE

Suwan JAYASINGHE 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).

  • METHOD OF DEPOSITING A SUBSTANCE ON A SUBSTRATE
    Publication number: 20260158509
    Abstract: The invention relates to a method of depositing a substance onto a substrate (6), comprising: providing a substrate (6) at a distance from a conducting spraying nozzle (1), said spaying nozzle (1) having an outlet (2); providing a liquid composition containing the substance to the spraying nozzle (1); generating electrically charged liquid droplets from the liquid composition between the outlet (2) of the spraying nozzle (1) and the substrate (6), by providing compressed gas around the liquid composition flowing out of the outlet (2) of the spraying nozzle (1) and by providing an electric field downstream of the outlet (2) of the spraying nozzle (1); and collecting the generated liquid droplets on the substrate (6). The invention also relates to an installation for carrying out this method.
    Type: Application
    Filed: December 1, 2025
    Publication date: June 11, 2026
    Inventors: Nael BERRI, Sarah DARWICHE, Maxime HUET, Suwan JAYASINGHE, Adam WOJCIK
  • Method of depositing a substance on a substrate
    Patent number: 12508608
    Abstract: The invention relates to a method of depositing a substance onto a substrate (6), comprising: —providing a substrate (6) at a distance from a conducting spraying nozzle (1), said spaying nozzle (1) having an outlet (2); —providing a liquid composition containing the substance to the spraying nozzle (1); —generating electrically charged liquid droplets from the liquid composition between the outlet (2) of the spraying nozzle (1) and the substrate (6), by providing compressed gas around the liquid composition flowing out of the outlet (2) of the spraying nozzle (1) and by providing an electric field downstream of the outlet (2) of the spraying nozzle (1); and—collecting the generated liquid droplets on the substrate (6). The invention also relates to an installation for carrying out this method.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: December 30, 2025
    Assignees: DBV TECHNOLOGIES, UCL BUSINESS LTD
    Inventors: Nael Berri, Sarah Darwiche, Maxime Huet, Suwan Jayasinghe, Adam Wojcik
  • METHOD OF DEPOSITING A SUBSTANCE ON A SUBSTRATE
    Publication number: 20220410188
    Abstract: The invention relates to a method of depositing a substance onto a substrate (6), comprising: —providing a substrate (6) at a distance from a conducting spraying nozzle (1), said spaying nozzle (1) having an outlet (2); —providing a liquid composition containing the substance to the spraying nozzle (1); —generating electrically charged liquid droplets from the liquid composition between the outlet (2) of the spraying nozzle (1) and the substrate (6), by providing compressed gas around the liquid composition flowing out of the outlet (2) of the spraying nozzle (1) and by providing an electric field downstream of the outlet (2) of the spraying nozzle (1); and collecting the generated liquid droplets on the substrate (6). The invention also relates to an installation for carrying out this method.
    Type: Application
    Filed: June 26, 2020
    Publication date: December 29, 2022
    Inventors: Nael BERRI, Sarah DARWICHE, Maxime HUET, Suwan JAYASINGHE, Adam WOJCIK