MUMBAI, India, May 29 -- Intellectual Property India has published a patent application (202641012839 A) filed by S Somasundaram; and Nagalakshmi C, Bangalore, Karnataka, on Feb. 5, for 'hybrid tethered heavy-lift unmanned aerial vehicle.'

Inventor(s) include S Somasundaram.

The application for the patent was published on May 29, under issue no. 22/2026.

According to the abstract released by the Intellectual Property India: "The present invention relates to the development of a hybrid tethered unmanned aerial systems (TUAS). It particularly relates to developing a hybrid lift-assisted tethered drone employing an auto-deployable lighter-than-air module for civil, defence and strategic communication applications. It specifically relates to developing the tethered heavy-lift unmanned aerial communication node employing altitude-triggered buoyancy deployment to dynamically offload rotor lift and stabilise tether dynamics under high-wind, high-payload defence conditions. It also relates to developing a method for the preparation of the hybrid lift-assisted tethered drone employing an auto-deployable lighter-than-air module for strategic communication applications. It also relates to developing a safety mechanism that deploys a parachute during an emergency like bird hit or tethered cable break or a power supply malfunction. This invention further relates to developing a method for the application of developed hybrid tethered unmanned aerial systems for strategic communications, forward area radio relay and persistent overwatch."

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