Patents by Inventor Subhendu Chandra

Subhendu Chandra 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: 20220136719
    Abstract: An ultraviolet light filter assembly includes a filter and an ultraviolet light assembly. The filter is coupled to the ultraviolet light assembly. When the air flows through the ultraviolet light filter assembly, the filter absorbs particles that are present in the air. However, ultraviolet light assembly provides UVC light that damage RNA and DNA of the pathogens present in the air. As a result, the air becomes more purified after passing through the ultraviolet light filter assembly.
    Type: Application
    Filed: July 21, 2021
    Publication date: May 5, 2022
    Inventors: Pritam Kumar Sarkar, Subhendu Chandra