MUMBAI, India, July 5 -- Intellectual Property India has published a patent application (202517057170 A) filed by Thales, Meudon, France, on June 13, for 'variable-effect filtering device.'

Inventor(s) include Coumert, Bruno; and Le Poulain, Jean-Yves.

The application for the patent was published on July 4, under issue no. 27/2025.

According to the abstract released by the Intellectual Property India: "The present invention relates to variable-effect filtering device (12), comprising: - a filter (20) having a working surface (23) comprising a central zone (ZC) and a peripheral zone (ZP), the filter (20) having a predefined optical property over a filtering zone, the filtering zone being the central zone (ZC) or the peripheral zone (ZP) o...