MUMBAI, India, Jan. 23 -- Intellectual Property India has published a patent application (202511126844 A) filed by Chandigarh University, Mohali, Punjab, on Dec. 15, 2025, for 'sound-based liquid-level indicator cups for visually impaired individuals.'
Inventor(s) include Mr. Shaman Sharma; and Dr. Deepak Kumar.
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 present invention relates to a passive, non-electronic acoustic device designed to assist visually impaired individuals in detecting safe liquid fill levels during pouring. The invention comprises a hollow conical insert equipped with a spiral acoustic channel and a whistle ...