ClassID:

129914

E04B1/8209 - CPC Classification

Classification description:

Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs; Insulation or other protection; Elements or use of specified material therefor; Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only sound absorbing devices

Recent Application in this class:
#1
20260055601
2026-02-26

WALL MOUNTING SYSTEM

#2
20250347106
2025-11-13

DUAL CHANNEL ACOUSTIC BAFFLE COUPLER AND RELATED METHODS OF USE

#3
20240183150
2024-06-06

Construction combination with acoustic absorbing device

#4
20240110376
2024-04-04

PLASTER BOARDS AND METHODS FOR MAKING THEM

#5
20230093579
2023-03-23

Flush mount baffle for finished ceilings and walls

#6
20220136235
2022-05-05

WALL AND CEILING ACOUSTICAL ISOLATOR

#7
20220106803
2022-04-07

Power plant construction

#8
20220031998
2022-02-03

Sound disturbance inhibition system

#9
20210381231
2021-12-09

Soft acoustic boundary plate

#10
20210324623
2021-10-21

DEVICE FOR PREVENTING SOUND TRANSMISSION THROUGH AN APERTURE OR A PRODUCTION-RELATED DUCT IN A WALL, AND A METHOD FOR SOUNDTIGHT CLOSURE OF AN APERTURE OR A PRODUCTION-RELATED DUCT IN A WALL

#11
20210270034
2021-09-02

Acoustic mount

#12
20210164690
2021-06-03

Silencing system

#13
20200370292
2020-11-26

Smart dynamic acoustic ceiling panel

#14
20200332518
2020-10-22

Sound reducing system

#15
20200318344
2020-10-08

Sound absorber arrangement and sound-insulated room

#16
20200199866
2020-06-25

Two-way acoustic panel

#17
20200115895
2020-04-16

Acoustic dampening fire stop

#18
20200032505
2020-01-30

DEMOUNTABLE/MODULAR STRUCTURE SYSTEM

#19
20190376300
2019-12-12

Sealing strip for sealing drywall connecting joints

#20
20190277018
2019-09-12

Acoustic shell for stage performances

#21
20190186125
2019-06-20

Structural subfloor product and method of manufacturing same

#22
20190147846
2019-05-16

Planar element for the active compensation of noise in an interior room and anti-noise module therefor

#23
20190112803
2019-04-18

Enhanced acoustic cell and enhanced acoustic panel, and methods of producing the same

#24
20190019490
2019-01-17

Soundproofing structure, partition structure, window member, and cage

#25
20180334798
2018-11-22

Demountable/modular structure system

#26
20180313081
2018-11-01

Suspended baffle system

#27
20180240451
2018-08-23

Sound absorbing structure for anechoic chamber and anechoic chamber including the same

#28
20180216344
2018-08-02

Mullion seal

#29
20180171626
2018-06-21

Plaster boards and methods for making them

#30
20180155943
2018-06-07

Spectator hall at racetracks and the like with loudspeakers

#31
20180147432
2018-05-31

Concrete structure body for constructing building floor, having firefighting function, and building floor construction structure including same

#32
20180137850
2018-05-17

SOUND BARRIER PANEL AND SYSTEM

#33
20180119416
2018-05-03

Folding variable acoustic assembly and method of use

#34
20180090122
2018-03-29

Sound absorbing panel with wedge-shaped cross-section micro-slits

#35
20180073253
2018-03-15

FLOOR TILE WITH VIBRATION AND SHOCK CONTROL

#36
20180058066
2018-03-01

Soundproof structure, louver, and partition

#37
20180051461
2018-02-22

Structural subfloor product and method of manufacturing same

#38
20180010334
2018-01-11

Variable acoustic assembly and method of use

#39
20170314259
2017-11-02

SOUND PROOF UNDERLAYMENT MEMBRANE

#40
20170307041
2017-10-26

Non-linear dynamic absorber and use thereof for acoustic insulation

#41
20170284088
2017-10-05

Sound absorbing structure and acoustic room

#42
20170247880
2017-08-31

Acoustic panel for partition wall assembly

#43
20170224950
2017-08-10

System for influencing the senses of a person and room equipment having such a system

#44
20170218621
2017-08-03

Structural subfloor product and method of manufacturing same

#45
20170204604
2017-07-20

Mineral fiber based ceiling tile

#46
20170159302
2017-06-08

Composite acoustic damping batten

#47
20170081842
2017-03-23

Acoustical gypsum wallboard

#48
20170051506
2017-02-23

CONCRETE PANEL FOR CONSTRUCTING FLOOR OF BUILDING, SHOCK ABSORPTION UNIT, AND FLOOR CONSTRUCTION STRUCTURE FOR BUILDING INCLUDING SAME

#49
20170044760
2017-02-16

Sound dampening wall

#50
20170037616
2017-02-09

Roll-up wall system and modular components

#51
20170016272
2017-01-19

Asymmetric Thickness Laminate Glass Unit For Reducing The Transmission of Sound Energy Through A Window or Door Unit

#52
20160376788
2016-12-29

Gasket and drop seal associated with acoustic panel capable of impeding flow of sound into cavity of drop seal

#53
20160372100
2016-12-22

SOUND ATTENUATING PANEL

#54
20160369498
2016-12-22

Acoustic mullion plug

#55
20160340896
2016-11-24

Sound absorbing panel and soundproof wall equipment

#56
20160267897
2016-09-15

Sound-absorbing material

#57
20160265215
2016-09-15

Acoustic board having displaced and passably abutted multiple through holes

#58
20160265214
2016-09-15

Acoustically absorbing room divider

#59
20160258615
2016-09-08

Acoustic lighting tile

#60
20160232885
2016-08-11

Perforation acoustic muffler assembly and method of reducing noise transmission through objects

#61
20160201318
2016-07-14

Structures formed with sheet material configured with at least one sound absorbing layer

#62
20160201317
2016-07-14

Post bond perforation of a septum in an acoustic panel

#63
20160112784
2016-04-21

SOUND VIBRATION EXCITATION ASSEMBLY FOR DISCRETE AREA SOUND-ABSORBING CEILING SURFACES, AND SOUND SYSTEM INCLUDING SUCH VIBRATION EXCITATION ASSEMBLY

#64
20160076245
2016-03-17

Sound attenuation building material and system

#65
20160071507
2016-03-10

AIR PASSAGE TYPE OR WATER PASSAGE TYPE SOUNDPROOF WALL HAVING ACOUSTIC ISOLATION RESONANCE CHAMBER FORMED IN AIR PASSAGE CHANNEL OR WATER PASSAGE CHANNEL

#66
20160024963
2016-01-28

Noise attenuating lipskin assembly and methods of assembling the same

#67
20160012812
2016-01-14

Acoustic module

#68
20160002939
2016-01-07

Eco-acoustic theatre

#69
20150337529
2015-11-26

Acoustic Panel With Drop Seal

#70
20150330074
2015-11-19

Ceiling system

#71
20150315783
2015-11-05

Soundproof room

#72
20150308111
2015-10-29

Multi-layer ceiling tile

#73
20150240484
2015-08-27

Sound abatement system and method

#74
20150233111
2015-08-20

System for sound isolation

#75
20150218804
2015-08-06

Optimized pattern of a damping layer for wall, floor, and ceiling constructions

#76
20150176269
2015-06-25

Sound absorption sheet with improved sound absorption function and method for manufacturing same

#77
20150096832
2015-04-09

Acoustic panel

#78
20150078833
2015-03-19

Method for handling a hydro sound absorber, and device for reducing underwater noise

#79
20140352234
2014-12-04

Mobile terminal booth

#80
20140318077
2014-10-30

Building structural connector

#81
20140305736
2014-10-16

System for sound isolation

#82
20140299407
2014-10-09

Adjustable sound-absorbing panel and assembly of adjustable sound-absorbing panels

#83
20140291069
2014-10-02

Noise barrier structure with sound-absorbing and sound-redirecting properties, and high performance sound absorber for use in such structure

#84
20140196981
2014-07-17

Acoustically absorptive panel

#85
20140169532
2014-06-19

X-ray CT system

#86
20140138180
2014-05-22

Vibration-dampening musical performance riser

#87
20140133964
2014-05-15

Acoustic structure with internal thermal regulators

#88
20140033620
2014-02-06

Mobile terminal booth

#89
20130264147
2013-10-10

Sound absorption panel

#90
20130264145
2013-10-10

Panel

#91
20130206502
2013-08-15

Wall structure working as a noise barrier for railways and use of the wall structure as a noise or passage barrier

#92
20130186705
2013-07-25

Optimized pattern of a damping layer for wall, floor, and ceiling constructions

#93
20130126268
2013-05-23

Acoustic structure

#94
20130016847
2013-01-17

METHOD AND APPARATUS FOR ACTIVE SOUND MASKING

#95
20120285767
2012-11-15

Acoustically absorptive panel

#96
20120195452
2012-08-02

Enclosure for acoustic insulation of an apparatus contained within said enclosure

#97
20120018247
2012-01-26

Wedge-shaped acoustic diffuser and method of installation

#98
20100129643
2010-05-27

Multi-layer acoustical plaster system

#99
20100065369
2010-03-18

Acoustic structure and acoustic room

#100
20090107059
2009-04-30

Sound attenuation building material and system

#101
20090000864
2009-01-01

Architectural acoustic device

#102
20080164090
2008-07-10

Acoustic absorbing device

#103
20070267248
2007-11-22

Combination acoustic diffuser and absorber and method of production thereof

#104
20070204529
2007-09-06

Acoustic device for use on office partitions

#105
20070189567
2007-08-16

Enclosure for acoustic insulation of an apparatus contained within said enclosure

#106
20060260870
2006-11-23

Sound absorber and sound absorbing device

#107
17000309
2023-05-23

Acoustic absorber for bass frequencies

#108
16567395
2022-10-25

Acoustical isolation hanger

#109
15879145
2019-06-18

Acoustic shell for stage performances

#110
15658418
2020-09-08

Acoustic absorber for bass frequencies

#111
15485478
2018-03-20

Acoustical baffle panel system

#112
15481766
2020-03-03

Acoustically stiff wall

#113
14643536
2016-01-19

Method for installing acoustic panel

#114
14285919
2015-09-01

Foldable sound attenuator