Patents by Inventor Ritwik

Ritwik 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).

  • Drug delivery device
    Patent number: D982744
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: April 4, 2023
    Assignee: AVAXZIPEN LIMITED
    Inventors: Owen Ryan, David Andrew Grant, Ritwik
  • Drug delivery device
    Patent number: D1055274
    Type: Grant
    Filed: April 26, 2022
    Date of Patent: December 24, 2024
    Assignee: Avaxzipen Limited
    Inventors: Owen Ryan, David Andrew Grant, Ritwik
  • Cassette for drug delivery actuator
    Patent number: D1078040
    Type: Grant
    Filed: June 15, 2022
    Date of Patent: June 3, 2025
    Assignee: Avaxzipen Limited
    Inventors: Owen Ryan, David Andrew Grant, Ritwik