MUMBAI, India, Jan. 2 -- Intellectual Property India has published a patent application (202541122647 A) filed by Anna University, Chennai, Tamil Nadu, on Dec. 5, 2025, for 'thrust augmentation of drone propellers utilizing curved serrated tips.'
Inventor(s) include C. Senthil Kumar; and Vijayanandh R.
The application for the patent was published on Jan. 2, under issue no. 01/2026.
According to the abstract released by the Intellectual Property India: "The present invention relates to an aerodynamic propeller for compact UAVs. featuring an optimized, fixed-geometry design for significantly enhanced propulsive efficiency and operational capability. The propeller comprises an enlarged, flow-conditioning hub, blades with continuously varyin...