| Patents for B64C 27 - Rotorcraft; Rotors peculiar thereto (10,112) |
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| 06/29/2000 | WO1999038770A8 Wire strike protection system with integrated antenna |
| 06/20/2000 | US6077042 Helicopter rotor brake |
| 06/20/2000 | US6077041 Reduction drive and torque-limiting clutch for autogyro aircraft |
| 06/20/2000 | US6076776 Profile edge of an aerodynamic profile |
| 06/20/2000 | CA2115166C Bearingless main rotor assembly torque tube |
| 06/14/2000 | EP1007406A2 Vibration isolator for rotorcraft |
| 06/14/2000 | CN2382652Y Composite rotary wing of aeroplane |
| 06/13/2000 | US6076024 Earth-referenced wind adjustment for hovering aircraft |
| 06/13/2000 | US6074168 Swash-plate device for controlling the pitch of the blades of a rotor with rotary guided parts on slides translated along the rotor axis |
| 06/08/2000 | WO2000032469A1 Hybrid toroidal airship |
| 06/08/2000 | WO2000032468A1 Helicopter single-blade rotor |
| 06/08/2000 | CA2353583A1 Helicopter single-blade rotor |
| 05/31/2000 | EP1003671A1 Gearbox with torque division, in particular for a helicopter rotor drive |
| 05/30/2000 | US6067853 Device for reducing the vibration in the cabin of a rotary-wing aircraft, especially a helicopter |
| 05/24/2000 | EP0944522A4 Hovering aircraft |
| 05/24/2000 | CN1052680C Method and apparatus for forming airfoil structure |
| 05/23/2000 | US6065933 Folding rotor blade/propeller drive and pitch control actuator |
| 05/23/2000 | US6065718 Universal VTOL power and rotor system module |
| 05/23/2000 | CA2113648C Adaptive control system input limiting |
| 05/18/2000 | WO2000027698A1 Rotor hub for rotating wing aircraft |
| 05/18/2000 | DE19910448C1 Rotor head for helicopter has rotary shaft formed as funnel shaped enclosure for drive |
| 05/17/2000 | EP0774084B1 Fluid damping devices |
| 05/17/2000 | EP0651713B1 Variable diameter rotor drive system |
| 05/17/2000 | CN1253532A Blade profile for aircraft rotor and rotor comprising same |
| 05/16/2000 | US6062818 Rotor head pendular resonator |
| 05/10/2000 | EP0998537A1 Adhesive composition for hot bonding and bonding method using same |
| 05/10/2000 | CN2377173Y Dish shaped bottom rotor helicopter |
| 05/10/2000 | CN1252754A Apparatus and method for assembling a helicopter main rotor blade subassembly |
| 05/10/2000 | CN1252753A Apparatus and method for installing a leading-edge sheath onto a helicopter main rotor blade subassembly |
| 05/09/2000 | US6059226 Navigation of helicopter with limited polar groundspeed commands |
| 05/03/2000 | EP0996570A1 Structural component having means for actively varying its stiffness to control vibrations |
| 05/03/2000 | EP0996569A1 Method and device for assisting the pilot in controlling the turboshaft power and/or rotor speed of heat-propelled helicopters |
| 05/02/2000 | US6056838 Method for manufacturing a variable-pitch composite blade for a helicopter rotor |
| 04/27/2000 | WO1997030813A9 Shaft phase control mechanism |
| 04/27/2000 | DE19847729A1 Universal transporting vehicle has propulsion unit with pressure housing with contra-rotating radial turbine wheels installed on common hollow shaft, and combustion chambers with jets installed on outer ends of turbine wheels |
| 04/26/2000 | EP0935557B1 Device for measuring and calibrating the control angles and control forces of a rotor blade |
| 04/25/2000 | US6053700 Ducted turbine |
| 04/25/2000 | US6053452 Compensation apparatus for main rotor torque |
| 04/20/2000 | DE19836729C1 Bearing for helicopter rotor drive shaft incorporates electrical sensor wire coupled to evaluation device for monitoring bearing during helicopter flight |
| 04/18/2000 | US6050778 Semi-articulated rotor system |
| 04/18/2000 | US6050521 Releasable coupling for a helicopter tail rotor power transmission line |
| 04/18/2000 | CA2138656C An unmanned aerial vehicle having ducted, coaxial counter-rotating rotors |
| 04/12/2000 | EP0991569A1 Blade profile for aircraft rotor and rotor comprising same |
| 04/11/2000 | US6047924 Method of folding the blades of a main rotor of a rotary-wing aircraft, and apparatus for implementing the method |
| 04/05/2000 | CN2372230Y High-lift helicopter rotor blade |
| 04/05/2000 | CN1249720A Aircraft with fuselage substantially designed as aerodynamic lifting body |
| 04/04/2000 | US6045328 Fluid damper including flexible damping plate |
| 04/04/2000 | US6045090 Device for reducing the vibrations generated by a lift rotor of a rotary-wing aircraft |
| 03/30/2000 | WO2000017047A1 Fluid damper including flexible damping plate |
| 03/30/2000 | DE19833869C1 Sectional mold for wind power rotor blade made of fiber-reinforced resin, produces blades of differing size and improved aerodynamic efficiency, avoiding cost of stocking one mold per blade |
| 03/30/2000 | CA2344819A1 Fluid damper including flexible damping plate |
| 03/29/2000 | CN1249037A Fuselage pilot-static tube and the aerodynamic profile of its strut |
| 03/28/2000 | US6042499 Power transmission device for helicopter |
| 03/23/2000 | DE19841855A1 Individual blade control device for a helicopter main rotor permits use of a smaller hydraulic pump |
| 03/23/2000 | DE19841853A1 Individual blade control device for a helicopter main rotor makes use of the swash plate to transfer control movements |
| 03/22/2000 | CN1247821A Rotary wing pre-rotating device for rotorcraft |
| 03/21/2000 | US6039538 Multi-blade rotor for a helicopter |
| 03/16/2000 | WO1999064942A3 Navigation of helicopter with limited polar groundspeed commands |
| 03/15/2000 | CN1050333C Flight device |
| 03/14/2000 | US6036442 Device for folding of a helicopter rotor blade |
| 03/14/2000 | US6036141 Jet thruster for helicopter antitorque and yaw control system |
| 03/14/2000 | US6035531 Method for manufacturing a variable-pitch composite blade for a helicopter rotor |
| 03/09/2000 | DE19859041C1 Adjustable blade profile for helicopter rotor blade has variable spring force acting between blade body and profile edge adjusted relative to blade longitudinal direction |
| 03/07/2000 | US6033312 Method and apparatus for controlling lateral vibration in a rotating shaft |
| 03/07/2000 | US6033182 Swash-plate device for controlling the pitch of rotor blades with non rotating plate stop track and pin |
| 03/07/2000 | US6033180 Rotor blade with a rotary spoiler |
| 03/07/2000 | US6032899 Blade pitch locking device for a main rotor of a rotary-wing aircraft |
| 03/01/2000 | EP0981478A1 Rotor blade, in particular for helicopter antitorque tail rotor |
| 02/29/2000 | US6030177 Drive system for a variable diameter tilt rotor |
| 02/29/2000 | US6029930 Method of monitoring a transmission assembly of a vehicle equipped with acceleration sensors, in particular a helicopter |
| 02/23/2000 | EP0980824A2 Rotorblade for a bearingless helicopter rotor |
| 02/23/2000 | EP0897492B1 Vibration isolated ring gear for planetary gear drive |
| 02/17/2000 | WO2000007683A1 Model helicopter |
| 02/15/2000 | US6024325 Rotor for rotary wing aircraft |
| 02/15/2000 | US6024324 Method of monitoring an epicyclic assembly of a vehicle equipped with acceleration sensors in particular a helicopter |
| 02/10/2000 | DE19835385A1 Modellhubschrauber Model Helicopter |
| 02/08/2000 | US6021976 Operation of a helicopter |
| 02/04/2000 | WO2000009393A1 Method for reducing blade-vortex interaction noise generated by a rotary wing |
| 02/03/2000 | WO2000005130A1 Helicopter body |
| 02/03/2000 | DE19832697A1 Vibration reducing device e.g. for a helicopter |
| 02/02/2000 | EP0976654A1 Helicopter landing lights assembly |
| 02/01/2000 | US6019578 Variable diameter rotor blade actuation system |
| 02/01/2000 | US6019310 Method of monitoring on the basis of signal energy a transmission assembly of a vehicle equipped with acceleration sensors in particular a helicopter |
| 01/26/2000 | CN1048825C HF antenna for helicopter |
| 01/26/2000 | CN1048792C Self-scavenging hybrid lubrication subsystem |
| 01/25/2000 | US6016994 Method of monitoring a transmission assembly of a vehicle equipped with acceleration sensors, in particular a helicopter |
| 01/25/2000 | US6016993 Method of monitoring a transmission assembly of a vehicle equipped with acceleration sensors, in particular a helicopter |
| 01/25/2000 | CA2132198C Helicopter active noise control system |
| 01/20/2000 | WO2000002776A1 Combined blade for the rotor of an aircraft and aircraft flying method |
| 01/19/2000 | EP0783431B1 Fiber reinforced composite spar for a rotary wing aircraft and method of manufacture thereof |
| 01/19/2000 | CN1241974A A composite tip cap assembly for a helicopter main rotor blade |
| 01/18/2000 | CA2134747C Variable diameter rotor having an offset twist |
| 01/13/2000 | DE19821268A1 Active rotor blade adjustment system based on moment-of-impulse vector regulation with moment-of-impulse producers and sensors on rotor blade |
| 01/12/2000 | EP0971155A1 Face-gear transmission assembly with floating balance pinions |
| 01/11/2000 | US6012676 Integrated fire and flight control system with automatic engine torque limiting |
| 01/06/2000 | WO1999055582A3 Earth-referenced wind adjustment for hovering aircraft |
| 01/05/2000 | EP0771284B1 Apparatus and methods for fabricating a helicopter main rotor blade |
| 01/05/2000 | CN2356941Y Changeable length propeller blade for helicopter |
| 01/04/2000 | CA2114724C Compensation for kinematic foreshortening effect in pitch control system for rotary wing aircraft |
| 12/29/1999 | WO1999067130A1 Horizontal stabilizer for rotorcraft |