H04R 1/2873
For loudspeaker transducers
Official title: {for loudspeaker transducers}
H04R1/2873 (For loudspeaker transducers) appears on 279 US grants and 361 published applications in this corpus.
Search patents in H04R- Granted patents
- 279
- Published applications
- 361
- Assignees
- 133
- Inventors
- 565
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 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 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 3 |
| 2005 | 0 | 2 |
| 2006 | 3 | 4 |
| 2007 | 0 | 5 |
| 2008 | 1 | 2 |
| 2009 | 1 | 2 |
| 2010 | 3 | 3 |
| 2011 | 2 | 2 |
| 2012 | 4 | 3 |
| 2013 | 6 | 11 |
| 2014 | 6 | 10 |
| 2015 | 6 | 3 |
| 2016 | 5 | 11 |
| 2017 | 10 | 14 |
| 2018 | 13 | 15 |
| 2019 | 18 | 14 |
| 2020 | 20 | 20 |
| 2021 | 20 | 41 |
| 2022 | 24 | 26 |
| 2023 | 23 | 39 |
| 2024 | 54 | 66 |
| 2025 | 30 | 32 |
| 2026 | 25 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and method for generating a first control signal and a second control signal by using a linearization and/or a bandwidth extension25 Aug 2026US 12,720,254 B2Kaetel Systems GmbH
- Loudspeaker18 Aug 2026US 12,713,176 B2Panasonic Automotive Systems Co., Ltd.
- Earphones11 Aug 2026US 12,707,182 B2Shenzhen Shokz Co., Ltd.
- Electronic device11 Aug 2026US 12,707,203 B2Merry Electronics (Suzhou) Co., Ltd.
- Acoustic output device and components thereof4 Aug 2026US 12,701,349 B2Shenzhen Shokz Co., Ltd.
- Transducer devices1 Oct 2026US 2026/0304031 A1Shenzhen Shokz Co., Ltd.
- Speaker20 Aug 2026US 2026/0247065 A1DENSO TEN Limited
- Recreational vehicle storage and speaker systems13 Aug 2026US 2026/0233684 A1Polaris Industries Inc.
- Speaker13 Aug 2026US 2026/0238925 A1Foster Electric Company, Limited
- Earphone30 Jul 2026US 2026/0222726 A1Shenzhen Shokz Co., Ltd.
Most cited
By later US patents
- High frequency horn having a tuned resonant cavity81US 8,607,922 B1Harman International Industries, Incorporated · 2013
- Ceiling loudspeaker support system66US 8,672,087 B2RGB Systems, Inc. · 2014
- Bass speaker57US 5,850,460 AMatsushita Electric Industrial Co., Ltd. · 1998
- Baffle vibration reducing47US 7,551,749 B2Bose Corporation · 2009
- Speaker system36US 4,336,861 A1982