E04B 1/8209
Sound absorbing devices
Official title: {sound absorbing devices (E04B1/8218, E04B1/8227 take precedence)}
E04B1/8209 (Sound absorbing devices) appears on 120 US grants and 109 published applications in this corpus.
Search patents in E04B- Granted patents
- 120
- Published applications
- 109
- Assignees
- 84
- Inventors
- 245
- Latest grant
- 23 Dec 2025
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 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 3 |
| 2008 | 1 | 1 |
| 2009 | 2 | 2 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 2 | 3 |
| 2013 | 2 | 6 |
| 2014 | 6 | 11 |
| 2015 | 9 | 10 |
| 2016 | 11 | 15 |
| 2017 | 12 | 11 |
| 2018 | 9 | 9 |
| 2019 | 10 | 7 |
| 2020 | 9 | 7 |
| 2021 | 3 | 6 |
| 2022 | 3 | 5 |
| 2023 | 7 | 4 |
| 2024 | 4 | 2 |
| 2025 | 6 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lighting systems incorporating acoustic apertures23 Dec 2025US 12,504,163 B1Cooledge Lighting Inc.
- Dimensionally stable building panel21 Oct 2025US 12,448,774 B2AWI Licensing LLC
- Asymmetrical building surface baffles and building surface system25 Mar 2025US 12,258,752 B2CertainTeed Ceilings Corporation
- Sound isolation assemblies for walls supporting heavy loads25 Mar 2025US 12,258,755 B2Mtec Corporation
- Construction combination with acoustic absorbing device21 Jan 2025US 12,203,266 B2Wiswong Technolgoy Corporation
- Acoustic Article25 Jun 2026US 2026/0176865 A13M Innovative Properties Company
- Wall mounting system26 Feb 2026US 2026/0055601 A1
- Dual channel acoustic baffle coupler and related methods of use13 Nov 2025US 2025/0347106 A1
- Construction combination with acoustic absorbing device6 Jun 2024US 2024/0183150 A1Wiswong Technology Corporation
- Plaster boards and methods for making them4 Apr 2024US 2024/0110376 A1CertainTeed Gypsum, Inc.
Most cited
By later US patents
- Acoustic/shock wave attenuating assembly103US 5,394,786 ASuppression Systems Engineering Corp. · 1995
- Acoustic/shock wave attenuating assembly43US 5,225,622 A1993
- Reflective acoustical damping device for rooms42US 4,548,292 A1985
- Acoustic device for wall mounting for diffusion and absorption of sound32US 7,178,630 B12007
- Composite structure and method of manufacturing it30US 4,641,726 APeabody Noise Control, Inc. · 1987