H04R 2430/01
Aspects of volume control, not necessarily automatic, in sound systems
H04R2430/01 (Aspects of volume control, not necessarily automatic, in sound systems) appears on 2,561 US grants and 3,276 published applications in this corpus.
Search patents in H04R- Granted patents
- 2,561
- Published applications
- 3,276
- Assignees
- 867
- Inventors
- 5,501
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 4 |
| 2002 | 0 | 4 |
| 2003 | 2 | 5 |
| 2004 | 3 | 1 |
| 2005 | 1 | 4 |
| 2006 | 1 | 5 |
| 2007 | 0 | 23 |
| 2008 | 1 | 21 |
| 2009 | 3 | 19 |
| 2010 | 6 | 27 |
| 2011 | 14 | 42 |
| 2012 | 38 | 54 |
| 2013 | 24 | 93 |
| 2014 | 43 | 79 |
| 2015 | 87 | 124 |
| 2016 | 118 | 199 |
| 2017 | 202 | 249 |
| 2018 | 231 | 227 |
| 2019 | 250 | 243 |
| 2020 | 253 | 262 |
| 2021 | 221 | 261 |
| 2022 | 233 | 279 |
| 2023 | 208 | 277 |
| 2024 | 236 | 257 |
| 2025 | 232 | 283 |
| 2026 | 148 | 234 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
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