MUMBAI, India, May 1 -- Intellectual Property India has published a patent application (202641026424 A) filed by Sri Sai Ram Engineering College, Chennai, Tamil Nadu, on March 6, for 'design and development of ecowave.'

Inventor(s) include Harini K L; Mamitha M; S J Hemapriya; and Dr K Sumathi.

The application for the patent was published on May 1, under issue no. 18/2026.

According to the abstract released by the Intellectual Property India: "The excessive growth of water hyacinth (Eichhornia crassipes) in lakes and waterways leads to severe environmental problems such as oxygen depletion, blockage of water transport, and loss of aquatic biodiversity. Manual removal of this invasive plant is time-consuming, labor-intensive, and inefficient for large water bodies. This project presents an engineering solution in the form of an autonomous unmanned surface vehicle (USV) designed to detect, collect, and remove water hyacinth efficiently. The system integrates sensors, a camera-based machine learning model, and navigation algorithms to identify floating hyacinth and avoid obstacles in real time. The onboard microcontroller processes sensor inputs and controls propulsion and collection mechanisms. A front-mounted smart cutting and guiding mechanism directs the plants into a collection bin, while thrusters enable controlled movement across water surfaces. The system also incorporates GPS-based navigation to return to the unloading point once the storage capacity is reached."

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