High Endurance Quadrotor Unmanned Aerial Vehicle

Patent Status: 

Patent Filed

Indian Patent Applicaton No: 


Patent Category: 



A four rotor helicopter (quadrotor) powered by fuel engine

Key Features: 

  • Offers large flight time and payload lifting capability due to use of fuel engine
  • Improved navigational capability under windy conditions and ability to perform aggressive maneuvers with great ease.
  • Fuel engine actuated to power at least four rotor hub assembly through at least two transmission system
  • Flight control is achieved by independently altering the pitch angle of the rotor blades through a pitch change mechanism actuated by a servo which in turn regulates the thrust and torque of each rotor
  • An autopilot system is an integral part of the said quadrotor


  • In aeronautical industry.



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