Patents-Review.com
ClassID:

54189 ⎘

B29L2031/3418 - CPC Classification

Classification description:

Other particular articles; Electrical apparatus, e.g. sparking plugs or parts thereof Loud speakers

Recent Application in this class:
#1
20260075357
2026-03-12

Expandable Foam and Manufacturing Method thereof, and Speaker

 #2
20260001270
2026-01-01

Fabric with Digitally Controlled Characteristics

 #3
20250119690
2025-04-10

IMPROVED LOUDSPEAKER AND METHOD OF MANUFACTURE

 #4
20250058505
2025-02-20

MOLDING METHOD OF VEHICLE SPEAKER GRILL

 #5
20240217148
2024-07-04

DIAPHRAGM ASSEMBLY, METHOD OF MANUFACTURING DIAPHRAGM ASSEMBLY AND INJECTION MOLD

 #6
20230024491
2023-01-26

METHOD FOR FORMING AIRTIGHT STRUCTURE OF ELECTROACOUSTIC DEVICE AND AIRTIGHT STRUCTURE THEREOF

 #7
20220256266
2022-08-11

Sound producing device and electronic product

 #8
20210394410
2021-12-23

Passive horn integrally formed by using thermoplastic vulcanized rubber and preparation method thereof

 #9
20210008810
2021-01-14

Method for manufacturing a hearing device

 #10
20200331174
2020-10-22

Loudspeaker membrane with spray-coated elastomer layer

 #11
20200252702
2020-08-06

Type of speaker cabinet, and an extrusion blow mould and manufacturing method for a speaker cabinet

 #12
20200221203
2020-07-09

Earphone

 #13
20200204891
2020-06-25

Method for producing a plastic-coated loudspeaker housing and plastic-coated loudspeaker housing

 #14
20200122366
2020-04-23

SYSTEM AND METHOD FOR MAKING MOLDED ARTICLES

 #15
20200077216
2020-03-05

SPEAKER VIBRATION PLATE, SPEAKER VIBRATION PLATE MANUFACTURING DEVICE, AND MANUFACTURING METHOD OF SPEAKER VIBRATION PLATE

 #16
20200068315
2020-02-27

Method of fabricating a miniature device having an acoustic diaphragm

 #17
20200045486
2020-02-06

Manufacturing method of a speaker vibrating diaphragm by controlling a ratio of fiber materials

 #18
20200021933
2020-01-16

Method of fabricating a miniature device having an acoustic diaphragm

 #19
20200015018
2020-01-09

Injection molding method for product with elastic connection sheet, and loudspeaker and electronic apparatus

 #20
20190337203
2019-11-07

Passive horn integrally formed by using thermoplastic vulcanized rubber and preparation method thereof

 #21
20190246192
2019-08-08

Assembly for protecting acoustic device

 #22
20190037330
2019-01-31

Method of fabricating a miniature device having an acoustic diaphragm

 #23
20180338207
2018-11-22

Method of fabricating a miniature device having an acoustic diaphragm

 #24
20180310082
2018-10-25

Unit body housing in a speaker system

 #25
20180302710
2018-10-18

Enclosure for an audio speaker

 #26
20180250860
2018-09-06

Die insert for molding a speaker grille and method of forming same

 #27
20180098168
2018-04-05

Seamlessly joining sides of a speaker enclosure

 #28
20180014098
2018-01-11

Speaker module

 #29
20170303021
2017-10-19

Die insert for molding a speaker grille

 #30
20170129143
2017-05-11

Method of manufacturing a membrane for an electro-acoustic transducer

 #31
20160309272
2016-10-20

Speaker module and manufacturing method therefor

 #32
20150317972
2015-11-05

Loudspeaker membrane and method for manufacturing such a membrane

 #33
20150125692
2015-05-07

Asymmetrical multi-layered membrane for electroacoustic transducers

 #34
20140102825
2014-04-17

Speaker damper and manufacturing method of the same

 #35
20120244912
2012-09-27

Electronic device

 #36
20120177237
2012-07-12

Audio port configuration for compact electronic devices

 #37
20120161549
2012-06-28

SYSTEM FOR ASSEMBLING A SPEAKER MOTOR

 #38
20120039502
2012-02-16

Film-type audio output apparatus

 #39
20110007922
2011-01-13

Speaker diaphragm, speaker, and electronic equipment and mobile device using the speaker

 #40
20100128889
2010-05-27

Trim panel assembly for retaining an acoustical device

 #41
20080212800
2008-09-04

Diaphragm for Speaker, Method for Producing Same, Speaker Using Such Diaphragm, and Apparatus Using Such Speaker

 #42
20080152180
2008-06-26

Film-type audio output apparatus

 #43
20070164477
2007-07-19

Production method of an electroacoustic transducer diaphragm, electroacoustic transducer diaphragm, and an electroacoustic transducer

 #44
20070052136
2007-03-08

Exclusive molding method for producing cloth-based parts of loudspeaker

 #45
14521434
2017-12-19

Method for manufacturing a plastic speaker grill for wireless speaker assembly