ClassID:

129936

E04B2001/8476 - 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 elements; Solid slabs or blocks with acoustical cavities, with or without acoustical filling

Recent Application in this class:
#1
20250347106
2025-11-13

DUAL CHANNEL ACOUSTIC BAFFLE COUPLER AND RELATED METHODS OF USE

#2
20230383529
2023-11-30

Material set and method of installing the same

#3
20230193626
2023-06-22

ACOUSTICALLY ABSORPTIVE MODULAR PARTITION ASSEMBLY

#4
20230064261
2023-03-02

SOUND DAMPENING DEVICE AND SYSTEM

#5
20230003014
2023-01-05

ACOUSTICAL SOUND PROOFING MATERIAL FOR ARCHITECTURAL RETROFIT APPLICATIONS AND METHODS FOR MANUFACTURING SAME

#6
20220148552
2022-05-12

Acoustic system and method

#7
20190338512
2019-11-07

Impact damping mat, equipment accessory and flooring system

#8
20190270504
2019-09-05

Acoustic liners with oblique cellular structures

#9
20190153723
2019-05-23

Acoustical sound proofing material for architectural retrofit applications and methods for manufacturing same

#10
20190108826
2019-04-11

Acoustic system and method

#11
20190080676
2019-03-14

Sound absorbing cell and sound absorbing structure having the same

#12
20190024589
2019-01-24

Flexible acoustic honeycomb

#13
20180202150
2018-07-19

Impact damping mat, equipment accessory and flooring system

#14
20180051462
2018-02-22

Soundproof structure and soundproof structure manufacturing method

#15
20170089014
2017-03-30

Acoustical ceiling tile

#16
20160265216
2016-09-15

Concrete element comprising a sound-absorber

#17
20160083960
2016-03-24

Acoustic damping building material

#18
20160076245
2016-03-17

Sound attenuation building material and system

#19
20150259903
2015-09-17

Perforated acoustic tiles

#20
20140169532
2014-06-19

X-ray CT system

#21
20140151152
2014-06-05

Sound attenuation building material and system

#22
20140124291
2014-05-08

Gypsum-panel acoustical monolithic ceiling

#23
20140000978
2014-01-02

Gypsum-panel acoustical monolithic ceiling

#24
20130052429
2013-02-28

MULTIWALL SHEET AND METHODS FOR MAKING AND USING THE SAME

#25
20120240486
2012-09-27

Acoustic panel

#26
20110266088
2011-11-03

Soundproof panel and soundproof structure

#27
20110248117
2011-10-13

Multilayer board for acoustic insulation

#28
20110091673
2011-04-21

Method for producing hollow bodies from plastic and hollow plastic bodies with novel properties

#29
20110041310
2011-02-24

Method of making a composite panel having subsonic transverse wave speed characteristics

#30
20100261023
2010-10-14

Acoustic damping compositions having elastomeric particulate

#31
20090107059
2009-04-30

Sound attenuation building material and system

#32
20090011203
2009-01-08

Multilayer foam composite element with recesses

#33
20080128202
2008-06-05

Composite Panel with Reinforced Recesses

#34
20080128080
2008-06-05

Hollow structure plate, manufacturing method thereof, manufacturing device thereof, and sound absorbing structure plate

#35
20080113128
2008-05-15

Hollow structure plate, manufacturing method thereof, manufacturing device thereof, and sound absorbing structure plate

#36
20070227815
2007-10-04

Sound-absorbing panel and production method of the same

#37
20060272279
2006-12-07

Composite panel having subsonic transverse wave speed characteristics

#38
20060150552
2006-07-13

Novel partition comprising plasterboards with improved acoustic properties

#39
20060124388
2006-06-15

Double wall acoustic panel

#40
20050263346
2005-12-01

Sound-absorbing structure and sound-absorbing unit

#41
20050126852
2005-06-16

Hollow structure plate, manufacturing method thereof, manufacturing device thereof, and sound absorbing structure plate

#42
20050066618
2005-03-31

Panel and related wall structure

#43
11742973
2019-01-08

Acoustical sound proofing material for architectural retrofit applications and methods for manufacturing same