ClassID:

145435

F05D2250/191 - CPC Classification

Classification description:

Geometry; Two-dimensional machined; miscellaneous perforated

Recent Application in this class:
#1
20250003374
2025-01-02

LOW-FREQUENCY ACOUSTIC CENTER BODY

#2
20240271572
2024-08-15

ACOUSTIC PANEL WITH MULTIPLE LAYER CORRUGATED CORE

#3
20240159203
2024-05-16

Low-frequency acoustic center body

#4
20230366347
2023-11-16

PORTABLE AND WEARABLE HAND-GRASP NEURO-ORTHOSIS

#5
20230349330
2023-11-02

Face sheet of acoustic liner having streamlined holes with elongated edges

#6
20230127925
2023-04-27

Frame connection between fan case and core housing in a gas turbine engine

#7
20230079348
2023-03-16

Low-frequency acoustic center body

#8
20230042886
2023-02-09

VACUUM PUMP, VACUUM PUMP SET FOR EVACUATING A SEMICONDUCTOR PROCESSING CHAMBER AND METHOD OF EVACUATING A SEMICONDUCTOR PROCESSING CHAMBER

#9
20220389838
2022-12-08

Acoustic structure with floating interior skin

#10
20220252022
2022-08-11

Acoustic attenuation structure made of composite material and method for manufacturing same

#11
20220251969
2022-08-11

Containment systems for engine

#12
20220195932
2022-06-23

Acoustic panel with multiple layer corrugated core

#13
20220186667
2022-06-16

Integration of a fan flutter damper in an engine casing

#14
20220145797
2022-05-12

Continuous slanted cell septum

#15
20220049610
2022-02-17

Impact-cooling tubular insert for a turbomachine distributor

#16
20220042454
2022-02-10

NACELLE AIR INTAKE WITH AN ACOUSTIC PANEL

#17
20220025768
2022-01-27

Guide vane with truss structure and honeycomb

#18
20210372323
2021-12-02

Geared gas turbine engine with reduced fan noise

#19
20210164363
2021-06-03

Integral gutter and front center body

#20
20210115851
2021-04-22

Bearing cavity and method of evacuating oil therefrom

#21
20200392899
2020-12-17

ACOUSTIC TREATMENT FOR AIRCRAFT ENGINE

#22
20200392898
2020-12-17

Turbofan engine with acoustic treatment

#23
20200386154
2020-12-10

Geared gas turbine engine with reduced fan noise

#24
20200277969
2020-09-03

Fan cover

#25
20200040818
2020-02-06

Continuous slanted cell septum

#26
20190085697
2019-03-21

Compressor and gas turbine including the same

#27
20190078447
2019-03-14

Turbine rotor blade assembly

#28
20190063318
2019-02-28

Acoustic liner having internal structure

#29
20190055851
2019-02-21

Sealing structure for turbines, and turbine and gas turbine having the same

#30
20190024581
2019-01-24

Geared gas turbine engine with reduced fan noise

#31
20180230911
2018-08-16

Apparatus including heat exchanger and sound attenuator for gas turbine engine

#32
20180080340
2018-03-22

Vibration reduction damper and jet engine

#33
20180058323
2018-03-01

Particle separator

#34
20180030896
2018-02-01

Acoustic liners and method of shaping an inlet of an acoustic liner

#35
20170292453
2017-10-12

Acoustic attenuation panel for a turbojet engine nacelle

#36
20170101970
2017-04-13

Noise baffle for a rotary machine and method of making same

#37
20170044919
2017-02-16

Turbine shroud segment sealing

#38
20160348721
2016-12-01

Tapered land thrust bearing device and turbocharger provided with the bearing device

#39
20160333790
2016-11-17

Additive manufactured non-round, septum tied, conformal high pressure tubing

#40
20160186608
2016-06-30

Integral gutter and front center body

#41
20160097324
2016-04-07

Filtration system for use in a gas turbine engine assembly and method of assembling thereof

#42
20160090909
2016-03-31

Geared gas turbine engine with reduced fan noise

#43
20160061040
2016-03-03

Composite fan slider with nano-coating

#44
20160047261
2016-02-18

Method for manufacturing composite fan annulus filler having nano-coating

#45
20160031290
2016-02-04

Aircraft turbomachine comprising a deflector

#46
20160024954
2016-01-28

Swirl interruption seal teeth for seal assembly

#47
20150260294
2015-09-17

Rotary machine

#48
20150007581
2015-01-08

Shroud block segment for a gas turbine

#49
20150003007
2015-01-01

Techniques for improved volumetric resistance blower apparatus, system and method

#50
20140377077
2014-12-25

Noise attenuation in rotating blades

#51
20140271105
2014-09-18

Turbine shroud segment sealing

#52
20140248116
2014-09-04

Acoustic treatment in an unducted area of a geared turbomachine

#53
20140140827
2014-05-22

Full ring inner air-seal with locking nut

#54
20140086727
2014-03-27

Gas turbine engine turbine diaphragm with angled holes

#55
20140072415
2014-03-13

Swirl interruption seal teeth for seal assembly

#56
20130219922
2013-08-29

GEARED GAS TURBINE ENGINE WITH REDUCED FAN NOISE

#57
20120168248
2012-07-05

Noise attenuation panel and a gas turbine component comprising a noise attenuation panel

#58
20120131922
2012-05-31

Coating a perforated surface

#59
20110146297
2011-06-23

Bleed assembly for a gas turbine engine

#60
20110133035
2011-06-09

Method for making deicing system on a nacelle panel

#61
20100283211
2010-11-11

Honeycomb structure

#62
20090104024
2009-04-23

Air intake for a turbocharger for an internal combustion engine

#63
20080206063
2008-08-28

Method and apparatus for assembling blade shims

#64
20080118347
2008-05-22

Turbine engine diffusing exhaust muffler

#65
20080101923
2008-05-01

Turbomachine turbine ring sector

#66
20070297898
2007-12-27

Aerofoil

#67
20070048135
2007-03-01

Turbine vane construction

#68
20050241294
2005-11-03

Injector system for rocket motors

#69
17407275
2023-01-17

Frame connection between fan case and core housing in a gas turbine engine