H04R 1/2842
For loudspeaker transducers
Official title: {for loudspeaker transducers}
H04R1/2842 (For loudspeaker transducers) appears on 354 US grants and 367 published applications in this corpus.
Search patents in H04R- Granted patents
- 354
- Published applications
- 367
- Assignees
- 193
- Inventors
- 670
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 3 |
| 2002 | 7 | 6 |
| 2003 | 1 | 3 |
| 2004 | 6 | 10 |
| 2005 | 0 | 5 |
| 2006 | 8 | 8 |
| 2007 | 5 | 14 |
| 2008 | 3 | 11 |
| 2009 | 6 | 13 |
| 2010 | 5 | 13 |
| 2011 | 11 | 12 |
| 2012 | 14 | 10 |
| 2013 | 11 | 7 |
| 2014 | 11 | 11 |
| 2015 | 7 | 12 |
| 2016 | 9 | 10 |
| 2017 | 13 | 21 |
| 2018 | 24 | 16 |
| 2019 | 16 | 11 |
| 2020 | 13 | 26 |
| 2021 | 24 | 35 |
| 2022 | 22 | 22 |
| 2023 | 26 | 28 |
| 2024 | 29 | 29 |
| 2025 | 13 | 15 |
| 2026 | 10 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Acoustic output device and components thereof4 Aug 2026US 12,701,349 B2Shenzhen Shokz Co., Ltd.
- Miniature loudspeaker30 Jun 2026US 12,671,937 B2Merry Electronics (Suzhou) Co., Ltd.
- Electronic device including speaker16 Jun 2026US 12,659,637 B2Samsung Electronics Co., Ltd.
- Acoustic output device2 Jun 2026US 12,647,723 B2Shenzhen Shokz Co., Ltd.
- Covering structure, sound producing package and manufacturing method of sound producing package28 Apr 2026US 12,615,474 B2Xmems Taiwan Co., Ltd.
- Grille integrated acoustic filter3 Sep 2026US 2026/0261794 A1Qsc, LLC
- Resonator devices and assemblies thereof30 Jul 2026US 2026/0222729 A1SimpliSafe, Inc.
- Sound signal output apparatus16 Jul 2026US 2026/0205733 A1NTT, Inc.
- Sound signal output apparatus25 Jun 2026US 2026/0181301 A1NTT, Inc.
- Acoustic signal output device18 Jun 2026US 2026/0172730 A1NTT, Inc.
Most cited
By later US patents
- Bass reproduction speaker apparatus213US 5,588,065 AMasushita Electric Industrial Co., Ltd. · 1996
- Headphone192US 8,098,872 B22012
- Dual element headphone150US 4,418,248 AKoss Corporation · 1983
- Electroacoustical transducing with at least three cascaded subchambers84US 5,092,424 ABose Corporation · 1992
- Multiple porting loudspeaker systems83US 4,549,631 ABose Corporation · 1985