H04R 1/42
Combinations of transducers with fluid-pressure or other non-electrical amplifying means
H04R1/42 (Combinations of transducers with fluid-pressure or other non-electrical amplifying means) appears on 78 US grants and 78 published applications in this corpus.
Search patents in H04R- Granted patents
- 78
- Published applications
- 78
- Assignees
- 63
- Inventors
- 160
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 2 |
| 2012 | 1 | 5 |
| 2013 | 3 | 4 |
| 2014 | 4 | 3 |
| 2015 | 8 | 12 |
| 2016 | 2 | 5 |
| 2017 | 3 | 3 |
| 2018 | 4 | 9 |
| 2019 | 6 | 1 |
| 2020 | 6 | 3 |
| 2021 | 3 | 4 |
| 2022 | 4 | 6 |
| 2023 | 4 | 3 |
| 2024 | 1 | 3 |
| 2025 | 3 | 3 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Implantable microphone management10 Feb 2026US 12,549,894 B2Cochlear Limited
- Electronic device30 Sep 2025US 12,429,360 B2Merry Electronics(Shenzhen) Co., Ltd.
- External ear canal pressure regulation system23 Sep 2025US 12,419,786 B2Nocira, LLC
- Air-pulse generating device, wearable sound device, bladeless fan, and airflow producing method8 Jul 2025US 12,356,141 B2xMEMS Labs, Inc.
- Hearing device10 Sep 2024US 12,089,001 B2Sivantos Pte.Ltd
- Implantable microphone management17 Sep 2026US 2026/0281613 A1Cochlear Limited
- Microfluidic conveying system and method for operating a microfluidic conveying system20 Aug 2026US 2026/0242207 A1
- External ear canal pressure regulation system16 Jul 2026US 2026/0199137 A1Nocira, LLC
- System for acoustic diagnostics of vehicles9 Jul 2026US 2026/0196085 A1V2M Inc.
- Sensor element and sensor device having same25 Jun 2026US 2026/0177441 A1Denso Corporation
Most cited
By later US patents
- Hearing aid mechanism65US 7,471,805 B2Central Coast Patent Agency, Inc. · 2008
- Method and structure for inducing acoustic signals and attenuating acoustic signals53US 9,123,323 B22015
- Air breezing pump41US 5,246,353 A1993
- Polyhedral directional transducer array36US 5,377,166 AMartin Marietta Corporation · 1994
- Sound innovation speaker system29US 5,388,162 A1995