H04R 9/066
Using the principle of inertia
Official title: {using the principle of inertia}
H04R9/066 (Using the principle of inertia) appears on 428 US grants and 471 published applications in this corpus.
Search patents in H04R- Granted patents
- 428
- Published applications
- 471
- Assignees
- 142
- Inventors
- 529
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 16 | 2 |
| 2002 | 8 | 9 |
| 2003 | 6 | 3 |
| 2004 | 5 | 2 |
| 2005 | 4 | 9 |
| 2006 | 2 | 12 |
| 2007 | 3 | 3 |
| 2008 | 7 | 2 |
| 2009 | 2 | 3 |
| 2010 | 2 | 3 |
| 2011 | 4 | 5 |
| 2012 | 4 | 8 |
| 2013 | 4 | 4 |
| 2014 | 6 | 19 |
| 2015 | 11 | 17 |
| 2016 | 18 | 15 |
| 2017 | 11 | 14 |
| 2018 | 15 | 9 |
| 2019 | 20 | 22 |
| 2020 | 18 | 30 |
| 2021 | 18 | 91 |
| 2022 | 47 | 29 |
| 2023 | 53 | 50 |
| 2024 | 34 | 60 |
| 2025 | 52 | 25 |
| 2026 | 23 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for suppressing sound leakage8 Sep 2026US 12,732,760 B2Shenzhen Shokz Co., Ltd.
- Systems and methods for improved acousto-haptic speakers11 Aug 2026US 12,707,190 B2Immerz, Inc.
- Systems and methods for suppressing sound leakage28 Jul 2026US 12,696,038 B2Shenzhen Shokz Co., Ltd.
- Display device14 Jul 2026US 12,684,296 B2Samsung Display Co., Ltd.
- Systems and methods for suppressing sound leakage14 Jul 2026US 12,684,300 B2Shenzhen Shokz Co., Ltd.
- Systems for bone conduction speaker24 Sep 2026US 2026/0292418 A1Shenzhen Shokz Co., Ltd.
- Systems and methods for suppressing sound leakage17 Sep 2026US 2026/0281632 A1Shenzhen Shokz Co., Ltd.
- Bone-conduction speakers and earphones23 Jul 2026US 2026/0214374 A1Shenzhen Shokz Co., Ltd.
- Vibration plates2 Jul 2026US 2026/0189845 A1Shenzhen Shokz Co., Ltd.
- Multiwire loudspeaker system25 Jun 2026US 2026/0181312 A1
Most cited
By later US patents
- Acoustic device295US 6,332,029 B1New Transducers Limited · 2001
- Acoustic device206US 7,158,647 B2New Transducers Limited · 2007
- Electro-mechanical and acoustic transducer for portable terminal unit127US 6,208,237 B1Matsushita Electric Industrial Co., Ltd. · 2001
- Electro-dynamic exciter112US 6,618,487 B1New Transducers Limited · 2003
- Selective call receiver having audible and tactile alerts88US 5,172,092 AMotorola, Inc. · 1992