ClassID:

129933

E04B2001/8452 - 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; Tray or frame type panels or blocks, with or without acoustical filling with peripheral frame members

Recent Application in this class:
#1
20250166596
2025-05-22

SOUND INSULATION SHEET, MANUFACTURING METHOD THEREOF, AND SOUND INSULATION STRUCTURE

#2
20230124844
2023-04-20

Sound insulation plate and sound insulation structure using the same

#3
20220028363
2022-01-27

Sound insulation sheet, manufacturing method thereof, and sound insulation structure

#4
20210404178
2021-12-30

Acoustic panel and system

#5
20210324624
2021-10-21

Acoustic baffle assembly

#6
20200270861
2020-08-27

Framed acoustic panel and method of manufacture

#7
20200265820
2020-08-20

Basalt Fiber Acoustic Panel

#8
20190186126
2019-06-20

Soundproof structure

#9
20190112804
2019-04-18

Sound Absorbing Material, A Method For Production Of The Same And Device For Cutting Apertures In The Sound Absorbing Material

#10
20180066429
2018-03-08

Panel and panel structure for ventilation and both reactive and dissipative sound dampening

#11
20180038097
2018-02-08

Sound Absorbing Panel

#12
20180002919
2018-01-04

SOUNDPROOF STRUCTURE AND SOUNDPROOF STRUCTURE MANUFACTURING METHOD

#13
20170306617
2017-10-26

Acoustic panel

#14
20170044761
2017-02-16

Sound absorbing material, a method for production of the same and device for cutting apertures in the sound absorbing material

#15
20150330073
2015-11-19

Hermetic and acoustically absorbent assembly for a false partition

#16
20150284946
2015-10-08

Sound panel and method for assembly of sound panel

#17
20150267417
2015-09-24

System for arranging a plurality of sound-absorbing and/or sound-reflecting panels or the like

#18
20150267404
2015-09-24

Panel and panel structure for ventilation and both reactive and dissipative sound dampening

#19
20150096832
2015-04-09

Acoustic panel

#20
20150068137
2015-03-12

Prefabricated wall apparatus and method

#21
20150041249
2015-02-12

Soundproof panel connection structure

#22
20140233781
2014-08-21

Sound transmission material, sound control plane structure including building use using the sound transmission material, windscreen for microphone, protective grille, sound transmission projection screen, and speaker

#23
20140196981
2014-07-17

Acoustically absorptive panel

#24
20130264145
2013-10-10

Panel

#25
20130161126
2013-06-27

Sound absorbent barrier

#26
20120285767
2012-11-15

Acoustically absorptive panel

#27
20110220435
2011-09-15

Sound Absorbing Device

#28
20100089692
2010-04-15

Sound Absorbing Device

#29
20090277717
2009-11-12

Acoustic face of polymer and embedded coarse aggregates and an acoustic panel assembly

#30
20090178882
2009-07-16

Acoustic panel

#31
20080135327
2008-06-12

Sound absorbing structure

#32
20080069388
2008-03-20

Room dampening panel

#33
20080029336
2008-02-07

Acoustic panel

#34
20070125010
2007-06-07

Sound absorbing panel

#35
20060157297
2006-07-20

Diverse acoustical modules with identical outward appearance

#36
20060108175
2006-05-25

Soundproof assembly

#37
16987033
2023-09-12

Acoustic material frame and method

#38
15801414
2020-11-17

Sound reducing panel