Patents-Review.com
ClassID:

72087 ⎘

B64C2027/005 - CPC Classification

Classification description:

Rotorcraft; Rotors peculiar thereto; Vibration damping devices using suspended masses

Recent Application in this class:
#1
20250296678
2025-09-25

TUNABLE MASS DAMPER ASSEMBLY FOR A ROTOR BLADE

 #2
20220388641
2022-12-08

Single-blade aircraft rotor

 #3
20220332409
2022-10-20

TUNABLE MASS DAMPER ASSEMBLY FOR A ROTOR BLADE

 #4
20220258856
2022-08-18

Rotor for a hover-capable aircraft

 #5
20220258855
2022-08-18

Rotor for a hover-capable aircraft

 #6
20220250741
2022-08-11

Rotor for a hover-capable aircraft

 #7
20220126989
2022-04-28

Vibration attenuator

 #8
20210403148
2021-12-30

Vibration isolation systems for compound helicopters

 #9
20210347470
2021-11-11

Rotary-wing aircraft

 #10
20210053679
2021-02-25

Unmanned vehicle

 #11
20200385105
2020-12-10

Helicopter kit

 #12
20200298967
2020-09-24

Vibration attenuation system for electric and hybrid electric vehicles

 #13
20200255132
2020-08-13

Vibration attenuator

 #14
20200198779
2020-06-25

Rotor for a hover-capable aircraft

 #15
20200156773
2020-05-21

Vibration attenuator

 #16
20200130819
2020-04-30

Anti-tail buffet system

 #17
20200055613
2020-02-20

SYSTEMS, METHODS, AND DEVICES FOR IMPROVING SAFETY AND FUNCTIONALITY OF CRAFT HAVING ONE OR MORE ROTORS

 #18
20190263512
2019-08-29

Vibration attenuator

 #19
20190047689
2019-02-14

Spring system varying stiffness with applied force for use in a torque dependent rotor of a rotary wing aircraft

 #20
20190047688
2019-02-14

Resonant operating rotor assembly

 #21
20180319485
2018-11-08

Integrated bifilar system that absorbs vibrations in both vertical and in-plane directions

 #22
20180273163
2018-09-27

Adaptable rotor blade design for performance flexibility

 #23
20180265188
2018-09-20

Rotorcraft fitted with an antivibration system, and a method of adjusting such an antivibration system

 #24
20180265187
2018-09-20

Anti-vibration suspension device for a mechanical element, and an aircraft

 #25
20180170532
2018-06-21

Systems and methods for structural health monitoring and protection

 #26
20180141645
2018-05-24

Damper

 #27
20180022447
2018-01-25

Resonator, and an aircraft provided with the resonator

 #28
20170349271
2017-12-07

Resonator, and an aircraft fitted with the resonator

 #29
20170305003
2017-10-26

EXTRACTION DEVICE FOR EXTRACTING A TRIM WEIGHT FROM A ROTOR BLADE

 #30
20170297685
2017-10-19

Rotor hub vibration attenuator

 #31
20170283044
2017-10-05

DAMAGE ADAPTIVE VIBRATION CONTROL

 #32
20170259930
2017-09-14

Helicopter engine mounting assembly

 #33
20170190414
2017-07-06

Rotor damping

 #34
20170166295
2017-06-15

Device for fixing blades with variable pitch of a non-streamlined turbomachine propeller

 #35
20170036758
2017-02-09

SYSTEMS AND METHODS FOR DAMPING ROTOR BLADE ASSEMBLIES

 #36
20160264236
2016-09-15

Antivibration suspension system for a tie bar of an aircraft power transmission gearbox, an antivibration suspension system, and an aircraft

 #37
20160152332
2016-06-02

Rotorcraft tail rotor, a rotorcraft fitted with such a tail rotor, and a method of statically and/or dynamically balancing a rotorcraft tail rotor

 #38
20150203196
2015-07-23

Active vibration control system with non-concentric revolving masses

 #39
20150098801
2015-04-09

Hover aircraft rotor comprising a vibration damping device

 #40
20150069173
2015-03-12

Antivibration suspension device for a mechanical element, and an aircraft

 #41
20150014477
2015-01-15

Vibration reducing apparatus

 #42
20130306420
2013-11-21

Piezoelectric liquid inertia vibration eliminator

 #43
20130264419
2013-10-10

Landing gear vibration absorber and method of operating said landing gear vibration absorber

 #44
20130011260
2013-01-10

Vibration reduction device and vibration reduction method

 #45
20120181377
2012-07-19

Vibration control system

 #46
20120158217
2012-06-21

Distributed active vibration control systems and rotary wing aircraft with suppressed vibrations

 #47
20120012732
2012-01-19

Helicopter engine mounting system and methods

 #48
20110316207
2011-12-29

Method and apparatus for improved vibration isolation

 #49
20110308905
2011-12-22

Device for damping the vibration of a structure

 #50
20110268573
2011-11-03

Device for reducing the vibration generated by a rotorcraft lift rotor, and a rotor hub provided with such a device

 #51
20110155841
2011-06-30

Vibration damper mechanism, and a flying machine including a carrier structure and a rotor provided with such a mechanism

 #52
20110147512
2011-06-23

Rotor carrier structure with a damper device for avoiding unstable coupling between resonant vibration modes

 #53
20110097193
2011-04-28

Device for reducing vibration generated by rotorcraft rotor, and rotorcraft provided with such device

 #54
20110079477
2011-04-07

Tuned vibration absorber mountable to aircraft skin panel

 #55
20110027081
2011-02-03

Helicopter hub mounted vibration control and circular force generation systems for canceling vibrations

 #56
20100108822
2010-05-06

Method for suppressing vibration in a tiltrotor aircraft

 #57
20100090054
2010-04-15

Method and system for controlling helicopter vibrations

 #58
20100059632
2010-03-11

Method for suppressing vibration and acoustic signature in a tiltrotor aircraft

 #59
20090324406
2009-12-31

Blade for reducing the drag movements of said blade, and a method of reducing such a drag movement

 #60
20090254230
2009-10-08

Distributed active vibration control systems and rotary wing aircraft with suppressed vibrations

 #61
20080179451
2008-07-31

Method and system for controlling helicopter vibrations

 #62
20070114104
2007-05-24

Device for supporting an aircraft battery

 #63
20070108340
2007-05-17

Vibration isolation system

 #64
20060266153
2006-11-30

Centrifugal-effect vibration generator having coaxial contrarotating rotors

 #65
20060151272
2006-07-13

Piezoelectric liquid inertia vibration eliminator

 #66
20060054738
2006-03-16

Method and system for controlling helicopter vibrations

 #67
20060032973
2006-02-16

Lightweight structural damping assembly

 #68
20050254947
2005-11-17

Trailing edge adjustable weight system for helicopter main rotor blades

 #69
20050125103
2005-06-09

Method and device for detecting defects of at least one rotary wing aircraft rotor