H04R 9/022
Cooling arrangements
Official title: {Cooling arrangements}
H04R9/022 (Cooling arrangements) appears on 361 US grants and 399 published applications in this corpus.
Search patents in H04R- Granted patents
- 361
- Published applications
- 399
- Assignees
- 190
- Inventors
- 688
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 9 | 1 |
| 2002 | 3 | 11 |
| 2003 | 7 | 4 |
| 2004 | 8 | 8 |
| 2005 | 7 | 14 |
| 2006 | 7 | 11 |
| 2007 | 4 | 16 |
| 2008 | 8 | 7 |
| 2009 | 5 | 5 |
| 2010 | 9 | 9 |
| 2011 | 6 | 6 |
| 2012 | 8 | 11 |
| 2013 | 11 | 10 |
| 2014 | 9 | 11 |
| 2015 | 7 | 15 |
| 2016 | 19 | 10 |
| 2017 | 9 | 10 |
| 2018 | 19 | 36 |
| 2019 | 18 | 26 |
| 2020 | 30 | 30 |
| 2021 | 25 | 46 |
| 2022 | 38 | 20 |
| 2023 | 19 | 16 |
| 2024 | 20 | 30 |
| 2025 | 14 | 21 |
| 2026 | 9 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Apparatus for providing a sound19 May 2026US 12,634,622 B2LG Display Co., Ltd.
- Electronic device including insulating structure for speaker12 May 2026US 12,627,912 B2Samsung Electronics Co., Ltd.
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Most cited
By later US patents
- Direct measurement of an input signal to a loudspeaker to determine and limit a temperature of a voice coil of the loudspeaker172US 9,510,101 B1Maxim Integrated Products, Inc. · 2016
- Self-cooled loudspeaker64US 5,909,015 A1999
- Alignment device for electro-acoustical transducers52US 4,327,257 A1982
- Audio driver and power supply unit architecture52US 9,930,444 B1Apple Inc. · 2018
- Flow-through air-cooled loudspeaker system51US 5,357,586 AThe Nordschow/Wright Loudspeaker Company · 1994