H04R 2227/005

Audio distribution systems for home, i.e. multi-room use

H04R2227/005 (Audio distribution systems for home, i.e. multi-room use) appears on 1,576 US grants and 1,782 published applications in this corpus.

Search patents in H04R
Granted patents
1,576
Published applications
1,782
Assignees
219
Inventors
1,354
Latest grant
29 Sep 2026

Filings by year

H04R 2227/005: granted patents and published applications per publication year
YearGranted patentsPublished applications
199210
199310
199410
199510
199600
199710
199810
199900
200000
200110
200207
200316
200423
200503
200646
200779
200815
200944
2010711
201156
20121114
20131157
20141444
20155592
201682153
2017140136
2018172137
2019174171
2020163145
2021144136
2022118128
2023142142
2024131157
2025118132
20266378

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