ClassID:

129937

E04B1/86 - page 2 - 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 slab-shaped

Recent Application in this class:
#301
20130240291
2013-09-19

Acoustical sound proofing material with improved fracture characteristics and methods for manufacturing same

#302
20130240111
2013-09-19

Acoustical sound proofing material with improved fracture characteristics and methods for manufacturing same

#303
20130209782
2013-08-15

Utility materials incorporating a microparticle matrix

#304
20130186705
2013-07-25

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

#305
20130142584
2013-06-06

Method and device for manufacturing an acoustic absorbent panel

#306
20130133980
2013-05-30

Articles containing woven or non-woven ultra-high surface area macro polymeric fibers

#307
20130126267
2013-05-23

Noise reduction system for composite structures

#308
20130106037
2013-05-02

Open air layer-type vibration reduction structure

#309
20130087408
2013-04-11

Method for producing a double-layer or triple-layer sound-absorbing panel and corresponding sound-absorbing panel

#310
20130068555
2013-03-21

Acoustic barrier

#311
20130020148
2013-01-24

Partition panel

#312
20130016847
2013-01-17

METHOD AND APPARATUS FOR ACTIVE SOUND MASKING

#313
20120285767
2012-11-15

Acoustically absorptive panel

#314
20120247867
2012-10-04

COMPOSITE SOUND-ABSORBING DEVICE WITH BUILT IN RESONANT CAVITY

#315
20120240486
2012-09-27

Acoustic panel

#316
20120210665
2012-08-23

Fireproof Panel Equipped with Coupling Holes and Method of Manufacturing the Same, and Mold for the Fireproof Panel

#317
20120175184
2012-07-12

Method for making acoustical panels with a three-dimensional surface

#318
20120073899
2012-03-29

Laminated acoustic soundproofing panel

#319
20120067665
2012-03-22

Sound-absorbing noise barrier

#320
20120060440
2012-03-15

Utility materials incorporating a microparticle matrix

#321
20120037449
2012-02-16

Acoustic honeycomb with perforated septum caps

#322
20110300332
2011-12-08

ACOUSTIC TILE

#323
20110296794
2011-12-08

Acoustical sound proofing materials and methods of making the same

#324
20110284319
2011-11-24

Acoustic panels, apparatus and assemblies with airflow-resistive layers attached to sound incident surfaces

#325
20110278091
2011-11-17

Acoustic structure

#326
20110266088
2011-11-03

Soundproof panel and soundproof structure

#327
20110265539
2011-11-03

Method of making micro-holes on metal plate

#328
20110247894
2011-10-13

Molding a lightweight cast acoustical product

#329
20110232854
2011-09-29

Method of making a coating and a coated acoustical panel using degraded fibers

#330
20110226546
2011-09-22

Device for reducing noise pollution and equipment including such device

#331
20110220435
2011-09-15

Sound Absorbing Device

#332
20110186380
2011-08-04

Soundproofing panel

#333
20110180225
2011-07-28

Panels including renewable components and methods for manufacturing

#334
20110168484
2011-07-14

Systems and methods for providing an asymmetric cellular acoustic diffuser

#335
20110147119
2011-06-23

Porous nonwoven scrims in acoustical panels

#336
20110146078
2011-06-23

System and method for structure design

#337
20110114414
2011-05-19

Acoustically tunable sound absorption articles and methods of making same

#338
20110100746
2011-05-05

Viscoelastic phononic crystal

#339
20110091673
2011-04-21

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

#340
20110061324
2011-03-17

Sound Proofing material with improved damping and structural integrity

#341
20110041310
2011-02-24

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

#342
20110031064
2011-02-10

Non-combustible sound-absorbing facing

#343
20100314195
2010-12-16

Acoustically tunable sound absorption articles

#344
20100261023
2010-10-14

Acoustic damping compositions having elastomeric particulate

#345
20100258378
2010-10-14

Acoustic damping compositions

#346
20100243180
2010-09-30

Panel assemblies having controllable surface properties

#347
20100230206
2010-09-16

Acoustical sound proofing material with improved damping at select frequencies and methods for manufacturing same

#348
20100218446
2010-09-02

Structure system of concrete building for self-heat insulation

#349
20100089692
2010-04-15

Sound Absorbing Device

#350
20100065369
2010-03-18

Acoustic structure and acoustic room

#351
20100051380
2010-03-04

Impact sound insulation two-layer panel

#352
20090321183
2009-12-31

ACOUSTIC PANEL

#353
20090301810
2009-12-10

Adjustable sound panel with electroactive actuators

#354
20090277717
2009-11-12

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

#355
20090260918
2009-10-22

Panels including renewable components and methods for manufacturing same

#356
20090260770
2009-10-22

Panels including renewable components and methods for manufacturing

#357
20090250291
2009-10-08

Transparent acoustical laminate wall system and method of forming same

#358
20090242095
2009-10-01

System for reducing acoustic energy

#359
20090178882
2009-07-16

Acoustic panel

#360
20090126886
2009-05-21

Process for producing a low density acoustical panel with improved sound absorption

#361
20090107059
2009-04-30

Sound attenuation building material and system

#362
20090065290
2009-03-12

INTERFLOOR NOISE REDUCTION PANEL WITH AIR PURIFYING AND STERILIZING FUNCTIONS FOR BUILDING

#363
20090038883
2009-02-12

SOUND-ABSORBING PANEL

#364
20090011203
2009-01-08

Multilayer foam composite element with recesses

#365
20090004459
2009-01-01

Utility materials incorporating a microparticle matrix

#366
20090004448
2009-01-01

Acoustical sound proofing material with improved damping at select frequencies and methods for manufacturing same

#367
20090000866
2009-01-01

Acoustical sound proofing material

#368
20080301572
2008-12-04

Method and system for laying out perforation patterns

#369
20080289899
2008-11-27

Sound reflective acoustic panel

#370
20080264721
2008-10-30

Acoustical sound proofing material with improved fire resistance and methods for manufacturing same

#371
20080264720
2008-10-30

Sound absorbent

#372
20080251198
2008-10-16

Acoustical sound proofing material with controlled water-vapor permeability and methods for manufacturing same

#373
20080245603
2008-10-09

Acoustical sound proofing material with improved fracture characteristics and methods for manufacturing same

#374
20080230308
2008-09-25

Decorative acoustic absorber forming a wall element

#375
20080164093
2008-07-10

Sound Absorbing Material and Structure Using the Same

#376
20080135327
2008-06-12

Sound absorbing structure

#377
20080128202
2008-06-05

Composite Panel with Reinforced Recesses

#378
20080128080
2008-06-05

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

#379
20080116006
2008-05-22

Acoustic laminate

#380
20080113128
2008-05-15

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

#381
20080086957
2008-04-17

Noise-attenuating laminate composite wallboard panel and methods for manufacturing same

#382
20080069388
2008-03-20

Room dampening panel

#383
20080047779
2008-02-28

Sound absorption block and method of constructing the same

#384
20080029337
2008-02-07

System for reducing acoustic energy

#385
20080029336
2008-02-07

Acoustic panel

#386
20070277948
2007-12-06

Acoustical tile

#387
20070272481
2007-11-29

Acoustic elements and their production

#388
20070227815
2007-10-04

Sound-absorbing panel and production method of the same

#389
20070193175
2007-08-23

Structure of decoration acoustic board

#390
20070175173
2007-08-02

Board construction assembly for reducing sound transmission and method

#391
20070137927
2007-06-21

Multi-composite acoustic panel

#392
20070125010
2007-06-07

Sound absorbing panel

#393
20070102238
2007-05-10

Acoustical panel using wood veneer

#394
20070094950
2007-05-03

Acoustical sound proofing material and methods for manufacturing same

#395
20070062146
2007-03-22

WALL ELEMENT AND STRUCTURE CONSTRUCTED THEREWITH

#396
20070062145
2007-03-22

Structure of the light weight building materials with sound absorption and isolation character

#397
20070059482
2007-03-15

Sound absorbing structures

#398
20070034448
2007-02-15

Hybrid amplitude-phase grating diffusers

#399
20060272279
2006-12-07

Composite panel having subsonic transverse wave speed characteristics

#400
20060254202
2006-11-16

Lightweight shielded panel system including acoustical shielding

#401
20060234019
2006-10-19

Sound insulating board

#402
20060231331
2006-10-19

Extended bandwidth folded well diffusor

#403
20060191743
2006-08-31

Sound absorbing wall systems and methods of producing same

#404
20060166581
2006-07-27

Woven, lateral direction ventilated wall board structure

#405
20060124388
2006-06-15

Double wall acoustic panel

#406
20060108175
2006-05-25

Soundproof assembly

#407
20060099383
2006-05-11

Acoustic insulator with controlled airflow resistance and method of making same

#408
20060040099
2006-02-23

Sound-absorbing and soundproofing panel

#409
20050263346
2005-12-01

Sound-absorbing structure and sound-absorbing unit

#410
20050173187
2005-08-11

Flat panel diffuser

#411
20050153613
2005-07-14

Article and process for maintaining orientation of a fiber reinforced matt layer in a sandwiched urethane construction

#412
20050142335
2005-06-30

Translating an aesthetically pleasing surface on an acoustic substrate to the edge of the finished acoustical product

#413
20050139415
2005-06-30

Method of fabrication of an acoustical substrate into a three dimensional product

#414
20050126852
2005-06-16

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

#415
20050103568
2005-05-19

Noise abatement wall

#416
20050066618
2005-03-31

Panel and related wall structure

#417
20050050846
2005-03-10

Acoustical sound proofing material and methods for manufacturing same

#418
20050000751
2005-01-06

Acoustic attenuation materials

#419
18206007
2025-03-18

Sound reducing panel

#420
17099693
2023-07-25

Sound reducing panel

#421
16987033
2023-09-12

Acoustic material frame and method

#422
16455863
2020-08-18

Lighting systems incorporating connections for signal and power transmission

#423
16205815
2020-02-18

Acoustic flooring assembly

#424
15931507
2024-02-06

Method and apparatus for vacuum thermal and acoustical insulation

#425
15801414
2020-11-17

Sound reducing panel

#426
15620944
2020-01-07

Mobile carriage for acoustic panels

#427
15485478
2018-03-20

Acoustical baffle panel system

#428
15444424
2019-09-17

Acoustic insulation with hook and loop fasteners

#429
14643453
2016-07-12

Laminate acoustic panel

#430
14502789
2015-08-04

Biofoam door

#431
14251440
2015-09-08

Porous septum cap

#432
13537816
2016-12-06

Acoustic liners for turbine engines

#433
11742973
2019-01-08

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