ClassID:

127936

E01F8/0029 - CPC Classification

Classification description:

Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with porous surfaces, e.g. concrete with porous fillers

Recent Application in this class:
#1
20220376647
2022-11-24

NOISE CONTROL DEVICE

#2
20210372060
2021-12-02

Sound dampening barrier wall

#3
20190348018
2019-11-14

Sound-absorbing construction component having extinguishing profiles and sound protection wall

#4
20190292738
2019-09-26

Methods for forming noise absorbing barrier walls and related forms

#5
20190108825
2019-04-11

Sound absorption panel

#6
20170263233
2017-09-14

Structure body, sound absorbing material, sound insulating wall material, and manufacturing method of structure body

#7
20160362855
2016-12-15

Diffractor for diffracting sound

#8
20160186395
2016-06-30

High-sound-absorption composite material for traffic sound barriers and preparation method thereof

#9
20160118034
2016-04-28

Particulate sound barrier and sound absorption/insulation board thereof

#10
20130272551
2013-10-17

Sound protection component

#11
20130199868
2013-08-08

SOUND ABSORBING WALL

#12
20130081901
2013-04-04

Noise barrier

#13
20120325579
2012-12-27

Sound barriers made from scrap and waste materials

#14
20120267188
2012-10-25

Sound barrier wall

#15
20120111664
2012-05-10

ACOUSTIC SHIELDING DEVICE FOR DAMPING OF DISTURBING TRAFFIC NOISE

#16
20100078260
2010-04-01

Acoustical sound barrier material

#17
20090193733
2009-08-06

Concrete panel construction system

#18
20080164093
2008-07-10

Sound Absorbing Material and Structure Using the Same

#19
20060186217
2006-08-24

Noise protection

#20
20060185290
2006-08-24

Concrete panel construction system

#21
20050103568
2005-05-19

Noise abatement wall