72103 ⎘
Rotorcraft; Rotors peculiar thereto; Helicopters with two or more rotors arranged coaxially
COUNTER-ROTATING ROTOR SYSTEM WITH FAIRING
#302Aircraft control system and method
#303Coaxial rotor yaw control
#304Yaw control of co-axial rotor
#305Contra-rotating open fan propulsion system
#306Torque split gearbox for rotary wing aircraft
#307Swashplateless coaxial rotary wing aircraft
#308Helicopter rotor load reduction and tip clearance control
#309Vibration control of a swashplateless coaxial rotor
#310Aircraft with pivoting rotor mast
#311Soft in-plane and stiff out-of-plane rotor system
#312UNMANNED DRONE, ROBOT SYSTEM FOR DELIVERING MAIL, GOODS, HUMANOID SECURITY, CRISIS NEGOTIATION, MOBILE PAYMENTS, SMART HUMANOID MAILBOX AND WEARABLE PERSONAL EXOSKELETON HEAVY LOAD FLYING MACHINE
#313Rotary wing aircraft having collocated exhaust duct and propeller shaft
#314AFT exhaust system for rotary wing aircraft
#315VTOLtwinpropellerattitudecontrolairvehicle
#316METHOD AND MEANS TO CONTROL THE POSITION AND ATTITUDE OF AN AIRBORNE VEHICLE AT VERY LOW VELOCITY
#317Upturned exhaust system for rotary wing aircraft
#318Rotary wing vehicle
#319Vehicle capable of in-air and on-ground mobility
#320Vehicle capable of stabilizing a payload when in motion
#321Low drag high restoring moment airfoils
#322Self-righting frame and aeronautical vehicle
#323Planetary de-rotation system for a shaft fairing system
#324Propulsion and motion-transmission assembly, in particular for a rotary-wing aircraft
#325Coaxial counter-rotating rotor system
#326Propulsion and motion-transmission assembly, in particular for a rotary-wing aircraft
#327Clutch system for rotary-wing aircraft with secondary thrust system
#328Deaerating assembly
#329Non-rotating stationary ground tube for a wind fairing
#330Special personal electric helicopter device with integral wind turbine recharging capability
#331Moment limiting control laws for dual rigid rotor helicopters
#332Helicopter rotor control system
#333Differential pitch-control to optimize co-rotating stacked rotor performance
#334Rotor blade spacing for vibration attenuation
#335Co-rotating stacked rotor disks for improved hover performance
#336Rotor hub and controls for multi-bladed rotor system
#337Rotary wing vehicle
#338Unmanned aerial vehicle
#339Control system and method for rotor assembly
#340ROTATING WING AIRCRAFT WITH TIP-DRIVEN ROTOR AND ROTOR-GUIDE RING
#341Helicopter with counter-rotating coaxial rotors without cyclic variation of pitch, equipped with means for aerodynamic control of attitude and flight path
#342Twin rotor flying vehicle
#343Rotary wing vehicle
#344Planetary de-rotation system for a shaft fairing system
#345Locknut assembly for a coaxial shaft
#346Magnetic de-rotation system for a shaft fairing system
#347AUTOMATIC FLIGHT CONTROL HELICOPTER
#348Remote engine/electric helicopter industrial plat form
#349Winch system for VTOL aircraft
#350Six rotor helicopter
#351Variable speed transmission for a rotary wing aircraft
#352Compact ultralight aircraft reduced dimensions, with vertical take-off and landing
#353Aerodynamic integration of a payload container with a vertical take-off and landing aircraft
#354Dual higher harmonic control (HHC) for a counter-rotating, coaxial rotor system
#355High-speed aircraft with vertical lift and self-revolving ability
#356Upper rotor control system for a counter-rotating rotor system
#357MICRO-ROTORCRAFT SURVEILLANCE SYSTEM
#358Thrust Vectoring Exhaust Nozzle System for Helicopters
#359Coaxial rotor aircraft
#360Coaxial rotor system for helicopters
#361System, method and apparatus for aircraft having counter-rotating, ring-winged rotors
#362Helicopter
#363Rotor blade folding system
#364De-rotation system suitable for use with a shaft fairing system
#365Transmission device for a twin-rotor helicopter
#366Helicopter Tail Assembly
#367Variable pitch anti torque coaxial counter rotation bi-prop rotor
#368Swash plate anti-torque mechanism
#369Yaw control system and method
#370Variable speed transmission for a rotary wing aircraft
#371Translational thrust system for a rotary wing aircraft
#372Bearingless rotor blade assembly for a high speed rotary-wing aircraft
#373Rotor system with pitch flap coupling
#374Counter rotating rotor head
#375Ultralight coaxial rotor aircraft
#376De-rotation system for a counter-rotating, coaxial rotor hub shaft fairing
#377Rotor hub fairing system for a counter-rotating, coaxial rotor system
#378Rotor blade twist distribution for a high speed rotary-wing aircraft
#379Compact co-axial rotor system for a rotary wing aircraft and a control system therefor
#380Rotor blade for a high speed rotary-wing aircraft
#381Variable speed transmission for a rotary wing aircraft
#382Rotor drive and control system for a high speed rotary wing aircraft
#383Rotor hub fairing system for a counter-rotating, coaxial rotor system
#384Split torque gearbox for rotary wing aircraft with translational thrust system
#385Rotary-wing vehicle system
#386Coaxial rotorcraft control system
#387Rotating wing aircraft with tip-driven rotor and rotor guide-ring
#388Swashplate and pitch link arrangement for a coaxial counter rotating rotor system
#389Rotary wing aircraft having a non-rotating structural backbone and a rotor blade pitch controller
#390Compact co-axial rotor system for a rotary wing aircraft and a control system thereof
#391Lightweight helicopter
#392Helicopter
#393Avia tilting-rotor convertiplane
#394Light weight helicopter
#395Rotorcraft having coaxial counter-rotating rotors which produce both vertical and horizontal thrust and method of controlled flight in all six degrees of freedom
#396Micro-rotorcraft surveillance system
#397Helicopter pitch controls
#398Contra-rotating electric helicopter
#399Helicopter with coaxial counter-rotating roller driven rotors
#400Helicopter with coaxial counter-rotating annular electric motor rotors
#401Deployable propeller blades for aerial vehicles
#402Collapsible flying device
#403Unmanned aerial vehicle configuration
#404Deployable propeller blades for aerial vehicles
#405Thin-profile counter-rotating differential electric motor assembly
#406Drone aircraft
#407Remotely controlled co-axial rotorcraft for heavy-lift aerial-crane operations
#408Unmanned aerial vehicle with center mounted fuselage and closed wing
#409Aircraft having circular body and blades