MUMBAI, India, Jan. 9 -- Intellectual Property India has published a patent application (202541133272 A) filed by Ifet College Of Engineering, Viluppuram, Tamil Nadu, on Dec. 30, 2025, for 'automated sensor-based lavatory air freshening and odour-control system with remote monitoring.'
Inventor(s) include Ms. R. Revathy; and S. Jayaasri.
The application for the patent was published on Jan. 9, under issue no. 02/2026.
According to the abstract released by the Intellectual Property India: "An automated lavatory air freshening and odour-control system is disclosed comprising a gas sensor [102], temperature-humidity sensor [104] and occupancy sensor [106] arranged to monitor a lavatory atmosphere; a microcontroller-based control module [108] configured to receive and pre-process sensor values and compare at least a gas concentration value with a predefined odour-intensity threshold; an automated air-freshener dispenser [110] and an exhaust fan/ventilation module [112] operably coupled to the control module [108]; and a wireless communication module [114] configured to transmit sensed data and actuation events to a remote monitoring platform [116] for storage and visualization. Upon the gas concentration exceeding a permissible odour limit, the control module [108] actuates the dispenser [110] and selectively actuates the ventilation module [112] as required, thereby reducing unnecessary freshener usage and supporting maintenance through remote monitoring."
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