E04B 2001/8447
With two facing trays
Official title: {with two facing trays}
E04B2001/8447 (With two facing trays) appears on 27 US grants and 12 published applications in this corpus.
Search patents in E04B- Granted patents
- 27
- Published applications
- 12
- Assignees
- 15
- Inventors
- 36
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 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 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 2 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 2 | 2 |
| 2024 | 1 | 2 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Wall assembly and a soundproof booth18 Nov 2025US 12,473,730 B2Framer Oy
- Office pod and a soundproofing wall structure17 Dec 2024US 12,168,869 B2Framery Oy
- Composite noise-attenuating panel system4 Jul 2023US 11,692,350 B2Solar Turbines Incorporated
- Sound attenuation barrier with improved ease of assembly21 Mar 2023US 11,608,601 B2Aus Group Alliance Pty Ltd
- System, method and apparatus for providing a sound absorbing composite wall12 Oct 2021US 11,142,914 B1Valmont Industries, 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
- Composite noise-attenuating panel system5 Jan 2023US 2023/0003021 A1Solar Turbines Incorporated
Most cited
By later US patents