H04R 1/403
Loud-speakers
Official title: {loud-speakers}
H04R1/403 (Loud-speakers) appears on 1,577 US grants and 1,836 published applications in this corpus.
Search patents in H04R- Granted patents
- 1,577
- Published applications
- 1,836
- Assignees
- 612
- Inventors
- 3,137
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 9 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 10 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 3 |
| 2002 | 3 | 9 |
| 2003 | 7 | 8 |
| 2004 | 7 | 20 |
| 2005 | 5 | 24 |
| 2006 | 10 | 33 |
| 2007 | 10 | 39 |
| 2008 | 15 | 28 |
| 2009 | 16 | 48 |
| 2010 | 21 | 45 |
| 2011 | 32 | 36 |
| 2012 | 55 | 46 |
| 2013 | 34 | 54 |
| 2014 | 43 | 53 |
| 2015 | 48 | 44 |
| 2016 | 58 | 64 |
| 2017 | 60 | 77 |
| 2018 | 86 | 115 |
| 2019 | 129 | 122 |
| 2020 | 130 | 156 |
| 2021 | 146 | 160 |
| 2022 | 134 | 156 |
| 2023 | 142 | 155 |
| 2024 | 115 | 128 |
| 2025 | 105 | 104 |
| 2026 | 74 | 109 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sound bar system, sound bar, controller, program, and method for setting sound bar6 Oct 2026US 12,756,979 B2D&M Holdings, Inc.
- Coordination of audio devices29 Sep 2026US 12,750,621 B2Dolby International AB
- Apparatus including a rear cover having a hole29 Sep 2026US 12,750,622 B2LG Display Co., Ltd.
- Set-top box of reduced height22 Sep 2026US 12,745,028 B2Sagemcom Broadband SAS
- Playback transitions22 Sep 2026US 12,745,052 B2Sonos, Inc.
- Projector1 Oct 2026US 2026/0299384 A1Seiko Epson Corporation
- Speaker enclosure with soundwave shaping1 Oct 2026US 2026/0304032 A1Danley Sound Labs, Inc.
- Cinema Light Emitting Screen and Sound System1 Oct 2026US 2026/0304033 A1IMAX Corporation
- Estimating Loudspeaker Elevation17 Sep 2026US 2026/0276771 A1Samsung Electronics Co., Ltd.
- Device designation of playback and network microphone device arrangements17 Sep 2026US 2026/0281620 A1Sonos, Inc.
Most cited
By later US patents
- Localized projection of audible noises in medical settings525US 10,388,120 B2Masimo Corporation · 2019
- Orientation-responsive use of acoustic reflection403US 8,934,655 B2Bose Corporation · 2015
- Electroacoustical transducing313US 7,519,188 B2Bose Corporation · 2009
- Multi-element directional acoustic arrays309US 8,139,774 B2Bose Corporation · 2012
- Multi-element directional acoustic arrays307US 8,265,310 B2Bose Corporation · 2012