ClassID:

71955

B64C11/205 - CPC Classification

Classification description:

Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft; Blades; Constructional features for protecting blades, e.g. coating

Recent Application in this class:
#1
20250326481
2025-10-23

Method and System for Inverse-Tapered High-Speed Rotors

#2
20250319961
2025-10-16

WINGTIP SHIELD

#3
20250178718
2025-06-05

Wingtip Shield

#4
20230415882
2023-12-28

High impact-resistant, reinforced fiber for leading edge protection of aerodynamic structures

#5
20220274374
2022-09-01

Anti-icing stack

#6
20220251958
2022-08-11

Reinforced blade

#7
20220143766
2022-05-12

Method for separating a first mechanical part from a second mechanical part

#8
20210262350
2021-08-26

Tungsten-based erosion-resistant leading edge protection cap for rotor blades

#9
20210101361
2021-04-08

ANTI-ICING STACK

#10
20210001977
2021-01-07

Drone rotor cage

#11
20200377743
2020-12-03

SUBSTRATE COATED WITH AN EROSION PROTECTION LAYER

#12
20200300099
2020-09-24

Aircraft turbomachine provided with an unducted propeller with blades having a composite-material insert bonded to their leading edges

#13
20200247550
2020-08-06

Integrated lightning protection and electrical de-icing for aerodynamic structures

#14
20200182062
2020-06-11

Multi-material leading edge protector

#15
20190329906
2019-10-31

Applying cold spray erosion protection to an airfoil

#16
20190256983
2019-08-22

Turbine engine part coated in a thermal barrier, and a method of obtaining it

#17
20190193862
2019-06-27

Integrated lightning protection and electrical de-icing for aerodynamic structures

#18
20190118523
2019-04-25

Selectively activated frangible bonding system

#19
20190017394
2019-01-17

SHEATH

#20
20190017387
2019-01-17

Apparatus for airfoil leading edge protection

#21
20190016440
2019-01-17

Protection of propeller components

#22
20180187561
2018-07-05

Erosion strip integrated with carbon allotrope-based deicing/ anti-icing elements

#23
20180134378
2018-05-17

Drone rotor cage

#24
20180128112
2018-05-10

Reinforced blade

#25
20180127088
2018-05-10

Reinforced blade and spar

#26
20180127087
2018-05-10

Reinforced blade and spar

#27
20170334577
2017-11-23

PROPELLER BLADE SHEATH

#28
20170306177
2017-10-26

Polyurethane-based protective coatings for rotor blades

#29
20170217565
2017-08-03

Propeller blades having icephobic coating

#30
20170174338
2017-06-22

Propeller surface area treatments for sound dampening

#31
20170043860
2017-02-16

Erosion resistant blade and blade coating

#32
20170023008
2017-01-26

Fan blade with composite cover and sacrificial filler

#33
20170016134
2017-01-19

Protective edge for a blade and method of manufacturing said edge

#34
20160354999
2016-12-08

Anti-wear sheet, production method for the same, and anti-wear-sheet application method

#35
20160319135
2016-11-03

Ultra high temperature environmental protection coating

#36
20160312616
2016-10-27

Blade made of organic matrix composite material provided with a metal strip, and a method of fastening a metal strip on a blade fiber preform

#37
20160177780
2016-06-23

Blade arrangement of a jet engine or an aircraft propeller

#38
20160160659
2016-06-09

Composite vane

#39
20160009369
2016-01-14

Protective mat for leading edges of airfoil elements

#40
20150353185
2015-12-10

Energy absorption device for aircraft structural element

#41
20150344125
2015-12-03

Energy absorption device for aircraft structural element

#42
20150330231
2015-11-19

Erosion protection sleeve

#43
20150275864
2015-10-01

Freezing-point-lowering coating composed of plastic films for application to rotor blades of wind turbines

#44
20150210053
2015-07-30

Superhydrophobic, oleophobic and ice-phobic fabrics

#45
20150166831
2015-06-18

Polyurethane-based protective coatings for rotor blades

#46
20150041330
2015-02-12

Method of removing a metal detail from a substrate

#47
20150030458
2015-01-29

Rotor blade erosion protection system

#48
20140271214
2014-09-18

AMORPHOUS METAL ROTOR BLADE ABRASION STRIP

#49
20140193271
2014-07-10

Method of making protective reinforcement for the leading edge of a blade

#50
20140093378
2014-04-03

Erosion and fatigue resistant blade and blade coating

#51
20130343898
2013-12-26

Propeller blade with carbon foam spar core

#52
20130333215
2013-12-19

Process for making a metal part such as a turbine engine blade reinforcement

#53
20130101432
2013-04-25

Erosion resistant helicopter blade

#54
20130091918
2013-04-18

System and method of manufacturing a structure

#55
20130071252
2013-03-21

Rotor blade erosion protection system

#56
20130052031
2013-02-28

Propeller blades having icephobic coating

#57
20120189871
2012-07-26

Ultra high temperature environmental protection coating

#58
20110250075
2011-10-13

Rotor blade assembly

#59
20110116906
2011-05-19

AIRFOIL COMPONENT WEAR INDICATOR

#60
20110095131
2011-04-28

Energy absorbing impact band

#61
20110033308
2011-02-10

Titanium sheath and airfoil assembly

#62
20100226776
2010-09-09

Sacrificial blade tip

#63
20100209254
2010-08-19

Vane for aircraft turbine engine receiver, provided with two hollow cores lodged in one another

#64
20090053067
2009-02-26

Airfoil and method for protecting airfoil leading edge

#65
20090025365
2009-01-29

Airfoil and method for protecting airfoil leading edge

#66
20080265095
2008-10-30

Energy absorbing impact band and method

#67
20080258009
2008-10-23

Leading edge for aircraft made of reinforced composite material

#68
20060080010
2006-04-13

Device for detecting impacts on aeronautic propeller blades

#69
20060013687
2006-01-19

Device for detecting impacts on an aeronautic propeller

#70
20050169763
2005-08-04

Helicopter rotor and method of repairing same

#71
18638168
2025-10-21

Method and system for inverse-tapered high-speed rotors