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 contamination levels. Its portability, low cost, and easy usability make it ideal for on-site testing in both rural and urban environments. The device promotes sustainable water reuse and contributes to public health protection by ensuring that grey water used for domestic or agricultural purposes meets safety standards."
Disclaimer: Curated by HT Syndication.