MUMBAI, India, March 13 -- Intellectual Property India has published a patent application (202641024526 A) filed by Chilakapati Anil Kumar, Vijayawada, Andhra Pradesh, on March 2, for 'a retrofit ergonomic foot riser attachment system for existing indian-style squat toilets.'

Inventor(s) include Mr. Santhosh Kumar Pedagadi; Prof. Dr Ramesh Srikonda; and Ar Tadiboina Samantha Kumar.

The application for the patent was published on March 13, under issue no. 11/2026.

According to the abstract released by the Intellectual Property India: "The present invention relates to a retrofit ergonomic foot riser attachment system for existing Indian-style squat toilets, intended to improve user comfort, posture, and safety without requiring replacement of the squat toilet pan or modification of surrounding structures. Conventional squat toilets include footrest regions integrally formed with the squat pan during manufacture, which cannot be altered or upgraded once installed. As a result, many existing installations lack ergonomic optimization and pose discomfort or safety risks to users. The disclosed invention provides at least one structurally independent foot riser body configured to be mounted onto an existing squat toilet after installation. Each foot riser body includes an upper foot-support surface adapted to receive a user's foot during squatting and a lower mounting surface configured to interface with an existing surface of the squat toilet. The foot riser body is secured using a non-invasive attachment mechanism, including adhesive-based or mechanical attachment means, without drilling, cutting, or permanently altering the squat toilet pan. The ergonomic foot-support surface may include features such as contoured geometry, anti-slip texture, or a raised heel-support region to promote stable foot placement and improved squatting posture. The system may comprise a pair of foot riser bodies arranged on opposing sides of a waste discharge opening. The invention further discloses a method of upgrading existing squat toilets using the retrofit attachment system. The invention enables cost-effective, hygienic, and scalable ergonomic upgrading of installed squat toilets in residential, commercial, institutional, and public sanitation facilities."

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