H04R 1/2896
For loudspeaker transducers
Official title: {for loudspeaker transducers}
H04R1/2896 (For loudspeaker transducers) appears on 241 US grants and 303 published applications in this corpus.
Search patents in H04R- Granted patents
- 241
- Published applications
- 303
- Assignees
- 138
- Inventors
- 593
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 1 | 4 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 7 |
| 2010 | 1 | 4 |
| 2011 | 4 | 3 |
| 2012 | 3 | 9 |
| 2013 | 3 | 5 |
| 2014 | 8 | 10 |
| 2015 | 8 | 8 |
| 2016 | 10 | 17 |
| 2017 | 18 | 15 |
| 2018 | 14 | 15 |
| 2019 | 21 | 15 |
| 2020 | 10 | 13 |
| 2021 | 18 | 36 |
| 2022 | 22 | 23 |
| 2023 | 26 | 29 |
| 2024 | 28 | 29 |
| 2025 | 19 | 35 |
| 2026 | 16 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Earphones and transducer devices thereof15 Sep 2026US 12,739,566 B2Shenzhen Shokz Co., Ltd.
- Electric vehicle8 Sep 2026US 12,728,792 B2Tvs Motor Company Limited
- Detachable headphone module and augmented reality glasses therewith8 Sep 2026US 12,732,738 B2Acer Incorporated
- Housing of sound generating device, sound generating device and electronic apparatus thereof25 Aug 2026US 12,720,242 B2Goertek Inc.
- Transducer apparatus and exterior equipment18 Aug 2026US 12,713,178 B2Panasonic Automotive Systems Co., Ltd.
- Speaker assemblies and earphones13 Aug 2026US 2026/0238919 A1Shenzhen Shokz Co., Ltd.
- Vibration Isolator and Audio Device6 Aug 2026US 2026/0230744 A1Century Step Audiotech Limited
- Low resonance structure and electronic device30 Jul 2026US 2026/0222730 A1SSI New Material (Zhenjiang) Co., Ltd.
- Speaker box23 Jul 2026US 2026/0214363 A1AAC Microtech (Changzhou) Co., Ltd.
- Multifunctional sound-generating device23 Jul 2026US 2026/0214379 A1AAC Microtech (Changzhou) Co., Ltd.
Most cited
By later US patents
- Rubber material36US 4,429,068 AHohyu Rubber Co., Ltd. · 1984
- Construction of sound converter in sound guide, especially for loudspeakers, for example speaker boxes23US 4,805,221 A1989
- Suspended speaker system23US 4,939,783 A1990
- Speaker structure18US 6,678,384 B2Fujitsu Ten Limited · 2004
- Honeycomb speaker system18US 9,838,789 B22017