E04B 2001/8452
With peripheral frame members
Official title: {with peripheral frame members}
E04B2001/8452 (With peripheral frame members) appears on 143 US grants and 55 published applications in this corpus.
Search patents in E04B- Granted patents
- 143
- Published applications
- 55
- Assignees
- 84
- Inventors
- 209
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 10 | 0 |
| 1979 | 4 | 0 |
| 1980 | 9 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 1 |
| 2008 | 1 | 3 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 3 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 2 |
| 2014 | 4 | 3 |
| 2015 | 4 | 10 |
| 2016 | 4 | 0 |
| 2017 | 1 | 3 |
| 2018 | 2 | 3 |
| 2019 | 3 | 4 |
| 2020 | 3 | 1 |
| 2021 | 4 | 9 |
| 2022 | 4 | 1 |
| 2023 | 5 | 4 |
| 2024 | 2 | 1 |
| 2025 | 3 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Acoustic material frame and method20 Jan 2026US 12,529,223 B2
- Ballistic sound reducing panel28 Oct 2025US 12,455,145 B1LJ Avalon LLC
- Sound reducing panel18 Mar 2025US 12,251,911 B1LJ Avalon LLC
- Sound insulation sheet, manufacturing method thereof, and sound insulation structure25 Feb 2025US 12,236,929 B2Mitsubishi Chemical Corporation
- Room divider system and connector for a room divider system9 Jul 2024US 12,031,324 B2IKEA Supply AG
- Sound insulation sheet, manufacturing method thereof, and sound insulation structure22 May 2025US 2025/0166596 A1Mitsubishi Chemical Corporation
- Sound isolating ventilation panels and methods for manufacturing same2 Jan 2025US 2025/0003630 A1Vanair Design Inc.
- Acoustic material frame and method29 Feb 2024US 2024/0068228 A1
- Acoustic baffle suspension system21 Dec 2023US 2023/0407635 A1Rockwool A/S
- Apparatus with Interchangeable Panels for Varying Acoustic and Esthetic Treatments or Effects29 Jun 2023US 2023/0203805 A1
Most cited
By later US patents
- Acoustical panel103US 4,226,299 AAlphadyne, Inc. · 1980
- Acoustic panel98US 5,009,043 AHerman Miller, Inc. · 1991
- Noise-shielding panel for engine95US 4,456,092 ANissan Motor Co., Ltd. · 1984
- Sound absorbing panel82US 4,084,367 AHaworth Mfg., Inc. · 1978
- Knock-down sound attenuating system81US 5,123,874 A1992