ClassID:

129925

E04B1/8404 - 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 block-shaped

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
20230349151
2023-11-02

SOUND ABSORBER AND SOUND ABSORBING DEVICE

#4
20230055540
2023-02-23

Ceiling baffle attachment structure and ceiling system

#5
20220403652
2022-12-22

SOUND ABSORBING STRUCTURE AND SOUND ABSORBING WALL

#6
20220325545
2022-10-13

Freestanding enclosed office with wall support structure

#7
20210348385
2021-11-11

Dry-stack masonry wall supported on hollow piles

#8
20200216990
2020-07-09

Voluminous meltblown nonwoven fabric with improved stackability and storability

#9
20200011056
2020-01-09

Felt baffle with snap ends

#10
20190362700
2019-11-28

Soundproof structure

#11
20190338514
2019-11-07

Precision dry-stack masonry unit

#12
20190244598
2019-08-08

Soundproof structure and method of manufacturing soundproof structure

#13
20190186132
2019-06-20

Acoustic baffle to be arranged in a building

#14
20190186127
2019-06-20

Soundproof structure and soundproof system

#15
20190177969
2019-06-13

Modifiable and reusable modular soundproofing structures

#16
20190047914
2019-02-14

High noise reduction coefficient, low density acoustical tiles

#17
20190017260
2019-01-17

Acoustic panel

#18
20180334804
2018-11-22

Felt baffle with snap ends

#19
20180308463
2018-10-25

Insulating spheres and method of manufacturing same

#20
20180051462
2018-02-22

Soundproof structure and soundproof structure manufacturing method

#21
20150284946
2015-10-08

Sound panel and method for assembly of sound panel

#22
20150068137
2015-03-12

Prefabricated wall apparatus and method

#23
20150027807
2015-01-29

Acoustic barrier support structure

#24
20140314487
2014-10-23

Attenuating element

#25
20130031852
2013-02-07

Attenuating element

#26
20100186317
2010-07-29

BAR-TYPE SUPPORTING STRUCTURE FOR FORMING A FRAME, COMPRISING A PLURALITY OF NODES AND BARS CONNECTING THE NODES

#27
20090120717
2009-05-14

Sound absorbing structure and sound chamber

#28
20080047779
2008-02-28

Sound absorption block and method of constructing the same

#29
20050167193
2005-08-04

Acoustic construction element