ClassID:

72595

B64D2033/0206 - page 2 - CPC Classification

Classification description:

Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes comprising noise reduction means, e.g. acoustic liners

Recent Application in this class:
#301
20100108809
2010-05-06

Noise-suppressing strut support system for an unmanned aerial vehicle

#302
20100096213
2010-04-22

Coating for acoustic treatment integrating the function of frost treatment with hot air

#303
20100089690
2010-04-15

METHOD FOR MAKING AN ACOUSTIC TREATMENT COATING AND COATING THUS OBTAINED

#304
20100068036
2010-03-18

Auxiliary power unit inlet duct with acoustic silencing

#305
20100038475
2010-02-18

Ice protection system for a multi-segment aircraft component

#306
20100000227
2010-01-07

AIR INTAKE FOR AN AIRCRAFT TURBINE ENGINE

#307
20090324390
2009-12-31

Liner for a gas turbine engine casing

#308
20090314899
2009-12-24

STRUCTURAL ELEMENT OF AN AIRCRAFT

#309
20090025393
2009-01-29

Auxiliary power unit assembly

#310
20090014234
2009-01-15

Acoustic Panel

#311
20080296439
2008-12-04

Integral suction device with acoustic panel

#312
20080296431
2008-12-04

Noise controlled turbine engine with aircraft engine adaptive noise control tubes

#313
20080263844
2008-10-30

Using a stiffener to repair a part for an aircraft engine

#314
20080206044
2008-08-28

Noise reduction assembly for aircraft turbojet

#315
20080185215
2008-08-07

Integrated inlet attachment

#316
20080179448
2008-07-31

Acoustic nacelle inlet lip having composite construction and an integral electric ice protection heater disposed therein

#317
20080135329
2008-06-12

Monolithic acoustically-treated engine nacelle inlet panels

#318
20080098747
2008-05-01

Auxiliary power unit assembly

#319
20080092362
2008-04-24

Zero acoustic splice fan case liner

#320
20080078612
2008-04-03

Integrated Inlet Attachment

#321
20080047121
2008-02-28

Method of joining composite honeycomb sections

#322
20080017442
2008-01-24

System for joining acoustic cellular panel sections in edge-to-edge relation

#323
20080000717
2008-01-03

Anechoic visco-thermal liner

#324
20070210073
2007-09-13

Composite ice protection heater and method of producing same

#325
20070163229
2007-07-19

Gas turbine engine inlet with noise reduction features

#326
20070102234
2007-05-10

Duct for reducing shock related noise

#327
20070062022
2007-03-22

Apparatus for making a tubular composite structure

#328
20060231329
2006-10-19

Acoustic dampers

#329
20060219475
2006-10-05

Flow restrictors for aircraft inlet acoustic treatments, and associated systems and methods

#330
20060169533
2006-08-03

Acoustic liner with a nonuniform depth backwall

#331
20060024154
2006-02-02

Zero acoustic splice fan case liner

#332
20060011408
2006-01-19

Acoustic liner for gas turbine engine

#333
20050284690
2005-12-29

High admittance acoustic liner

#334
20050274103
2005-12-15

Gas turbine engine inlet with noise reduction features

#335
20050263643
2005-12-01

Cowl structure for a gas turbine engine

#336
20050252195
2005-11-17

Noise reduction assembly for aircraft turbojet

#337
20050082112
2005-04-21

Annular acoustic panel

#338
20050081992
2005-04-21

Process for making a panel with a protected acoustic damping layer

#339
20050060982
2005-03-24

Method and system for reduction of jet engine noise

#340
20050006529
2005-01-13

Method and apparatus for noise abatement and ice protection of an aircraft engine nacelle inlet lip

#341
18826854
2025-06-24

Compliant dampening wedge mount

#342
18635986
2025-02-11

Passive bypass for mitigation of inlet buzz in supersonic or hypersonic air-breathing engines

#343
15153442
2017-08-15

Broadband acoustic panels coupled with large secondary cavities to attenuate low frequencies

#344
15144355
2017-04-11

Stepped acoustic structures with multiple degrees of freedom

#345
15130398
2017-07-11

Acoustic panel with corrugated baffles and septums

#346
15052097
2017-05-23

Methods of repairing an acoustic sandwich panel and acoustic sandwich panel repair kits therefor

#347
14297131
2016-05-10

Acoustic panel liner for an engine nacelle

#348
13781918
2016-01-26

Statistically based approach to broadband liner design and assessment