H04R 19/013
For loudspeakers
Official title: {for loudspeakers}
H04R19/013 (For loudspeakers) appears on 87 US grants and 96 published applications in this corpus.
Search patents in H04R- Granted patents
- 87
- Published applications
- 96
- Assignees
- 54
- Inventors
- 178
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 4 |
| 2008 | 0 | 1 |
| 2009 | 0 | 7 |
| 2010 | 2 | 14 |
| 2011 | 1 | 7 |
| 2012 | 12 | 7 |
| 2013 | 13 | 6 |
| 2014 | 6 | 4 |
| 2015 | 1 | 3 |
| 2016 | 4 | 7 |
| 2017 | 10 | 7 |
| 2018 | 3 | 4 |
| 2019 | 4 | 4 |
| 2020 | 4 | 4 |
| 2021 | 6 | 4 |
| 2022 | 1 | 0 |
| 2023 | 5 | 5 |
| 2024 | 2 | 3 |
| 2025 | 4 | 1 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Speaker device21 Apr 2026US 12,610,179 B2Aac Kaitai Technologies (Wuhan) Co., Ltd
- Substituted thiolate salt melt additives17 Feb 2026US 12,552,914 B23M Innovative Properties Company
- Audio-tactile transducer device based on dielectric electro-active elastomers13 Jan 2026US 12,526,582 B2Mateligent GmbH
- Magnetic field cancelling audio devices4 Nov 2025US 12,464,292 B1Seescan, Inc.
- Drive circuit of electrostatic film actuator12 Aug 2025US 12,388,436 B2ASUSTeK COMPUTER INC.
- Display device, display module and sound producing device20 Aug 2026US 2026/0247070 A1Boe Technology Group Co., Ltd.
- Simultaneous dual use of an acoustic device as a loudspeaker and microphone25 Jun 2026US 2026/0181334 A1Waves Audio Ltd.
- Speaker Device7 Aug 2025US 2025/0254464 A1Aac Kaitai Technologies (Wuhan) Co., Ltd
- Audio transducers26 Sep 2024US 2024/0323612 A1Wing Acoustics Limited
- Display device12 Sep 2024US 2024/0305929 A1ASUSTeK COMPUTER INC.
Most cited
By later US patents
- Bimorph transducer made from polymer material57US 4,400,634 AThomson-CSF · 1983
- Electrostatic parametric transducer and related methods44US 9,667,173 B1Turtle Beach Corporation · 2017
- Double diaphragm electrostatic transducer each diaphragm comprising two plastic sheets having different charge carrying characteristics42US 4,160,882 A1979
- Garment with speaker function23US 8,144,911 B2Industrial Technology Research Institute · 2012
- Electromechanical transducer19US 4,246,448 AUniroyal, Inc. · 1981