E04B 9/0457
Having closed internal cavities
Official title: {having closed internal cavities}
E04B9/0457 (Having closed internal cavities) appears on 42 US grants and 51 published applications in this corpus.
Search patents in E04B- Granted patents
- 42
- Published applications
- 51
- Assignees
- 24
- Inventors
- 94
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 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 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 3 |
| 2003 | 1 | 2 |
| 2004 | 2 | 3 |
| 2005 | 0 | 0 |
| 2006 | 1 | 10 |
| 2007 | 3 | 2 |
| 2008 | 2 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 3 | 4 |
| 2015 | 1 | 2 |
| 2016 | 0 | 1 |
| 2017 | 4 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 3 |
| 2020 | 0 | 2 |
| 2021 | 3 | 3 |
| 2022 | 1 | 3 |
| 2023 | 3 | 3 |
| 2024 | 2 | 2 |
| 2025 | 2 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Panel and method for producing a panel10 Feb 2026US 12,546,122 B2Champion Link International Corporation
- Apparatus and system for dynamic high NRC acoustic locking wall tile and methods thereof28 Oct 2025US 12,456,446 B2Turf Design, Inc.
- Method for manufacturing acoustical elements9 Sep 2025US 12,409,584 B2Saint-Gobain Ecophon AB
- Longspan stay-in-place liners3 Dec 2024US 12,158,000 B2CFS Concrete Forming Systems Inc.
- Flush mount baffle for finished ceilings and walls23 Jul 2024US 12,044,003 B2Usg Ceilings Plus, LLC
- Baffle compromising a lighting system7 May 2026US 2026/0126172 A1Arktura LLC
- Apparatus and system for dynamic high nrc acoustic locking wall tile and methods thereof23 Apr 2026US 2026/0112350 A1Turf Design, Inc.
- Architectural fixture connection system6 Nov 2025US 2025/0341093 A1Arktura LLC
- Panel and method for producing a panel21 Nov 2024US 2024/0384543 A1Champion Link International Corporation
- Longspan Stay-in-Place Liners11 Jan 2024US 2024/0011290 A1CFS Concrete Forming Systems Inc.
Most cited
By later US patents
- Phase change thermal insulation structure125US 5,770,295 AEnergy Pillow, Inc. · 1998
- Phase change insulation system97US 5,626,936 AEnergy Pillow, Inc. · 1997
- Ceiling tile transmitter and receiver system58US 6,715,246 B1Armstrong World Industries, Inc. · 2004
- Acoustical insulation panel57US 6,220,388 B1Strandtek International, Inc. · 2001
- Airborne-sound-absorbing wall or ceiling paneling46US 4,347,912 A1982