H04R 9/041
Centering
Official title: {Centering}
H04R9/041 (Centering) appears on 504 US grants and 620 published applications in this corpus.
Search patents in H04R- Granted patents
- 504
- Published applications
- 620
- Assignees
- 194
- Inventors
- 811
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 2 |
| 2002 | 3 | 4 |
| 2003 | 6 | 6 |
| 2004 | 10 | 17 |
| 2005 | 5 | 17 |
| 2006 | 5 | 25 |
| 2007 | 13 | 19 |
| 2008 | 14 | 16 |
| 2009 | 7 | 18 |
| 2010 | 10 | 13 |
| 2011 | 11 | 18 |
| 2012 | 16 | 12 |
| 2013 | 15 | 17 |
| 2014 | 12 | 14 |
| 2015 | 14 | 19 |
| 2016 | 21 | 22 |
| 2017 | 24 | 27 |
| 2018 | 21 | 18 |
| 2019 | 22 | 21 |
| 2020 | 38 | 54 |
| 2021 | 34 | 17 |
| 2022 | 23 | 51 |
| 2023 | 25 | 62 |
| 2024 | 54 | 56 |
| 2025 | 51 | 42 |
| 2026 | 20 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Wire damper of loudspeaker with periodic span wires and the method for manufacturing the same15 Sep 2026US 12,739,568 B2
- Fabric material including wire damper of loudspeaker having improved center hole shape by wave crests with unequal widths and the method for manufacturing the same1 Sep 2026US 12,726,771 B2
- Speaker that vibrates diaphragm11 Aug 2026US 12,707,204 B2JVCKENWOOD Corporation
- Audio transducer with high aspect ratio actuator4 Aug 2026US 12,701,365 B1Amazon Technologies, Inc.
- Speaker device23 Jun 2026US 12,666,199 B2Foster Electric Company, Limited
- Damping mesh24 Sep 2026US 2026/0286580 A1AAC Microtech (Changzhou) Co., Ltd.
- Loudspeaker and vehicle audio system17 Sep 2026US 2026/0281625 A1Suzhou Sonavox Electronics Co., Ltd.
- Sound generating device10 Sep 2026US 2026/0270621 A1Goertek Inc.
- Speaker device3 Sep 2026US 2026/0261804 A1Sonos, Inc.
- Speaker20 Aug 2026US 2026/0247065 A1DENSO TEN Limited
Most cited
By later US patents
- Surface acoustic transducer44US 9,621,994 B1Bongiovi Acoustics LLC · 2017
- Audio voice coil adaptor ring39US 6,088,466 A2000
- Planar type electro-acoustic transducer and process for manufacturing same34US 4,472,604 ANippon Gakki Seizo Kabushiki Kaisha · 1984
- Panel vibration type sound generating display device30US 10,009,683 B2LG Display Co., Ltd. · 2018
- Repairable electromagnetic linear motor for loudspeakers and the like27US 6,778,677 B22004