Intellectual Property India Publishes Patent Application for Method To Fabricate Pitch Case Of Rotary Wing Aircraft Composite Tail Rotor Blade

MUMBAI, India, Sept. 28 -- Intellectual Property India has published a patent application (202541026932 A) filed by Hindustan Aeronautics Limited on March 24, 2025, for Method To Fabricate Pitch Case Of Rotary Wing Aircraft Composite Tail Rotor Blade.

Inventor includes Dr. Vijaya Kumar K..

The application for the patent was published on September 25, 2026, under issue no. 39/2026.

Abstract: The present invention comprises a novel method to fabricate pitch case of composite tail rotor blade (Figure.1) for an advanced rotary wing aircraft. The pitch case (2) is fabricated uniquely due its geometrical complexity having tapered hollow structure to integrate members of the pitch change mechanism and embedded with the aerofoil section or the m...