E04B 2001/8442
Tray type elements
Official title: {Tray type elements}
E04B2001/8442 (Tray type elements) appears on 73 US grants and 31 published applications in this corpus.
Search patents in E04B- Granted patents
- 73
- Published applications
- 31
- Assignees
- 48
- Inventors
- 123
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 0 | 0 |
| 2002 | 4 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 1 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 2 | 2 |
| 2014 | 1 | 1 |
| 2015 | 2 | 3 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 2 | 1 |
| 2019 | 1 | 2 |
| 2020 | 2 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 2 | 3 |
| 2024 | 3 | 2 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Wall assembly and a soundproof booth18 Nov 2025US 12,473,730 B2Framer Oy
- Portable decorative acoustical blocking system18 Feb 2025US 12,227,939 B1LJ Avalon LLC
- Office pod and a soundproofing wall structure17 Dec 2024US 12,168,869 B2Framery Oy
- Multi-layer acoustical building panels17 Dec 2024US 12,168,871 B2AWI Licensing LLC
- Tile system for ceiling and wall18 Jun 2024US 12,012,755 B2Armfoam Inc.
- Office pod and a soundproofing wall structure20 Feb 2025US 2025/0059756 A1Framery Oy
- Office pod and a soundproofing wall structure30 May 2024US 2024/0175257 A1Framery Oy
- Wall assembly and a soundproof booth18 Jan 2024US 2024/0018775 A1Framery Oy
- Sound attenuation barrier with improved ease of assembly14 Sep 2023US 2023/0287641 A1Aus Group Alliance Pty Ltd
- Multi-layer acoustical building panels16 Mar 2023US 2023/0084159 A1Armstrong World Industries, Inc.
Most cited
By later US patents
- Noise-shielding panel for engine95US 4,456,092 ANissan Motor Co., Ltd. · 1984
- Acoustical panel construction65US 4,428,454 A1984
- Bulk acoustic absorber panels for use in high speed gas flow environments48US 4,313,524 ARohr Industries, Inc. · 1982
- Industrial noise abatement enclosure41US 4,258,511 A1981
- Sound absorber39US 5,512,715 AMatsushita Electric Industrial Co., Ltd. · 1996