Patents-Review.com
ClassID:

72096 ⎘

B64C27/025 - CPC Classification

Classification description:

Rotorcraft; Rotors peculiar thereto; Gyroplanes; Rotor or rotor head construction Rotor drives, in particular for taking off; Combination of autorotation rotors and driven rotors

Recent Application in this class:
#1
20260093269
2026-04-02

AIRCRAFT LANDING SITE DETERMINATION FOR AUTOMATED EMERGENCY LANDING CONTROL

 #2
20250223028
2025-07-10

SUPPLEMENTARY LIFT GENERATION SYSTEM FOR MULTICOPTER ROTORCRAFT

 #3
20240391585
2024-11-28

Aerial vehicle

 #4
20240059409
2024-02-22

Aircraft and methods of operating the same to increase descent angles thereof

 #5
20230271699
2023-08-31

Aerial vehicle

 #6
20230192284
2023-06-22

MAST DAMPENER FOR A ROTORCRAFT

 #7
20220204157
2022-06-30

Hybrid gyrodyne aircraft

 #8
20220097834
2022-03-31

Hybrid gyrodyne aircraft

 #9
20220055742
2022-02-24

Hybrid gyrodyne aircraft

 #10
20220055741
2022-02-24

Hybrid gyrodyne aircraft

 #11
20220043465
2022-02-10

Hybrid gyrodyne aircraft

 #12
20210030784
2021-02-04

Compact gyroplane employing torque compensated main rotor and hybrid power train

 #13
20200387170
2020-12-10

System and method for enhanced altitude control of an autogyro

 #14
20200385106
2020-12-10

AUTOGYRO

 #15
20200282847
2020-09-10

HELICOPTER USING ELECTRIC PROPELLER TORQUE ARM AS A POWER SOURCE TO DRIVE A MAIN ROTOR

 #16
20200130822
2020-04-30

Helicopter using electric propeller torque arm as power source driving main rotor

 #17
20200102073
2020-04-02

Mast Dampener and Collective Pitch for a Rotocraft

 #18
20190077501
2019-03-14

System and method for vertical take-off in an autogyro

 #19
20180346107
2018-12-06

Drive system for a vehicle

 #20
20180244380
2018-08-30

Apparatus and method for roll moment equalization at high advance ratios for rotary wing aircraft

 #21
20180141649
2018-05-24

Helicopter rotor transmission

 #22
20180111680
2018-04-26

Electric cold flow tipjet rotorcraft

 #23
20180065734
2018-03-08

Off-board gyrocopter take-off systems and associated methods

 #24
20170369160
2017-12-28

Automated autorotation and pilot aiding system

 #25
20170113792
2017-04-27

System for controlling a rotorcraft rotor, a rotorcraft fitted with such a system, and an associated control method

 #26
20170096219
2017-04-06

Autorotative enhancement system

 #27
20170066539
2017-03-09

ROTOR DRIVEN AUXILIARY POWER APPARATUS AND METHOD

 #28
20160257399
2016-09-08

MAST DAMPENER AND COLLECTIVE PITCH FOR A ROTORCRAFT

 #29
20160207617
2016-07-21

Off-board gyrocopter take-off systems and associated methods

 #30
20150375858
2015-12-31

Automatic pitch change rotary wing rotor system and method of rotor control

 #31
20150142219
2015-05-21

Low speed autogyro yaw control apparatus and method

 #32
20130134264
2013-05-30

Electric Motor Powered Rotor Drive for Slowed Rotor Winged Aircraft

 #33
20120312915
2012-12-13

Low speed autogyro yaw control apparatus and method

 #34
20120181378
2012-07-19

Gyroplane

 #35
20120175461
2012-07-12

Rotor hub and blade root fairing apparatus and method

 #36
20120168568
2012-07-05

Rotor unloading apparatus and method

 #37
20120168556
2012-07-05

Pre-landing, rotor-spin-up apparatus and method

 #38
20120104157
2012-05-03

Rotor driven auxiliary power apparatus and method

 #39
20120104156
2012-05-03

Use of auxiliary rudders for yaw control at low speed

 #40
20120104155
2012-05-03

Tail jet apparatus and method for low speed yaw control of a rotorcraft

 #41
20120104154
2012-05-03

Tail fan apparatus and method for low speed yaw control of a rotorcraft

 #42
20120104153
2012-05-03

GYROPLANE PREROTATION BY COMPRESSED AIR

 #43
20120068006
2012-03-22

Autogyro Plane

 #44
20120025011
2012-02-02

AUTOGYRO WITH PRE-ROTATION

 #45
20110139928
2011-06-16

Aerovehicle system including plurality of autogyro assemblies

 #46
20110036954
2011-02-17

Compound aircraft with autorotation

 #47
20100001120
2010-01-07

High-speed aircraft with vertical lift and self-revolving ability

 #48
14756420
2018-02-27

Apparatus and method for roll moment equalization at high advance ratios for rotary wing aircraft

 #49
14544654
2017-04-25

Heliplane rotor thermal management for maintaining dimensional stability

 #50
13999366
2015-12-08

Apparatus and method for roll moment equalization at high advance ratios for rotary wing aircraft

 #51
13373433
2015-05-26

Rotor configuration for reaction drive rotor system

 #52
13373406
2015-03-31

Solid lubricated blade pitch control system for use within a compressed airstream of a reaction driven rotorcraft

 #53
13199705
2015-03-10

Blade root attachment apparatus and method

 #54
13199684
2015-05-05

Torsionally stiff rotorcraft control apparatus and method

 #55
13199682
2015-01-13

Fail safe, multiple source, tip-jet supply apparatus and method

 #56
13199681
2015-02-10

Heliplane rotor thermal management for maintaining dimensional stability

 #57
13199678
2015-07-07

Feathering-spindle-bearing lubrication and temperature control