Intellectual Property India Publishes Patent Application for 'Grey Water Management (GWM)' Filed by Nandha Engineering College

MUMBAI, India, Jan. 23 -- Intellectual Property India has published a patent application (202541116566 A) filed by Nandha Engineering College, Erode, Tamil Nadu, on Nov. 25, 2025, for 'grey water management (gwm).'

Inventor(s) include S Thangamani; M Govarthini; R Mohammed Farook; and R Ramsachin.

The application for the patent was published on Jan. 23, under issue no. 04/2026.

According to the abstract released by the Intellectual Property India: "The invention discloses a low-cost grey water testing kit designed to detect bacterial, faecal, and microbial contaminants in groundwater and recycled water sources. The system utilizes reagent-based colorimetric detection combined with optional digital sensing modules to determine contaminati...