H04R 2420/07

Applications of wireless loudspeakers or wireless microphones

H04R2420/07 (Applications of wireless loudspeakers or wireless microphones) appears on 5,592 US grants and 7,213 published applications in this corpus.

Search patents in H04R
Granted patents
5,592
Published applications
7,213
Assignees
1,691
Inventors
10,048
Latest grant
6 Oct 2026

Filings by year

H04R 2420/07: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197800
197900
198010
198110
198210
198300
198400
198500
198640
198700
198800
198930
199010
199110
199240
199330
199430
199570
199650
199770
1998100
199980
2000120
200188
20021038
20031036
20042552
20051948
20063089
200734145
200820147
200936114
201060103
201172109
2012130118
2013100144
2014107203
2015157251
2016224312
2017324507
2018448575
2019545538
2020523584
2021469594
2022481582
2023487576
2024482513
2025438447
2026281380

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

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