E04B 2001/8461
Layered
Official title: {layered}
E04B2001/8461 (Layered) appears on 373 US grants and 313 published applications in this corpus.
Search patents in E04B- Granted patents
- 373
- Published applications
- 313
- Assignees
- 238
- Inventors
- 770
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 1 | 0 |
| 1978 | 15 | 0 |
| 1979 | 3 | 0 |
| 1980 | 9 | 0 |
| 1981 | 3 | 0 |
| 1982 | 6 | 0 |
| 1983 | 1 | 0 |
| 1984 | 11 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 6 | 0 |
| 1999 | 12 | 0 |
| 2000 | 11 | 0 |
| 2001 | 6 | 4 |
| 2002 | 5 | 5 |
| 2003 | 3 | 3 |
| 2004 | 6 | 20 |
| 2005 | 3 | 13 |
| 2006 | 3 | 11 |
| 2007 | 5 | 7 |
| 2008 | 3 | 17 |
| 2009 | 4 | 9 |
| 2010 | 10 | 13 |
| 2011 | 8 | 11 |
| 2012 | 9 | 5 |
| 2013 | 9 | 9 |
| 2014 | 14 | 17 |
| 2015 | 12 | 8 |
| 2016 | 9 | 12 |
| 2017 | 8 | 11 |
| 2018 | 11 | 18 |
| 2019 | 10 | 22 |
| 2020 | 12 | 20 |
| 2021 | 14 | 10 |
| 2022 | 16 | 20 |
| 2023 | 13 | 15 |
| 2024 | 13 | 15 |
| 2025 | 14 | 9 |
| 2026 | 6 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-functional acoustical foam board22 Sep 2026US 12,741,444 B2
- Flexible lightweight multi-layer panel for sound insulation application in construction19 May 2026US 12,631,021 B2Nano and Advanced Materials Institute Limited
- Mineral fiber product28 Apr 2026US 12,612,782 B2Rockwool A/S
- Acoustical building panel and surface covering systems utilizing the same14 Apr 2026US 12,601,170 B2AWI Licensing LLC
- Insulation products7 Apr 2026US 12,595,655 B2Rockwool A/S
- Construction board assembly with high flame, temperature, and acoustic resistant capabilities3 Sep 2026US 2026/0258653 A1
- Mineral fiber product6 Aug 2026US 2026/0226734 A1Rockwool A/S
- Prefabricated soundproof booth2 Jul 2026US 2026/0185350 A1Inbooth Inc.
- Acoustic Article25 Jun 2026US 2026/0176865 A13M Innovative Properties Company
- Acoustic structures28 May 2026US 2026/0148724 A1Armstrong World Industries, Inc.
Most cited
By later US patents
- Acoustic/shock wave attenuating assembly103US 5,394,786 ASuppression Systems Engineering Corp. · 1995
- Vibration damping materials and soundproofing structures using such damping materials93US 5,063,098 ANichias Corporation · 1991
- Acoustically porous building materials89US 4,585,685 AArmstrong World Industries, Inc. · 1986
- Method of making sound absorbing laminates and laminates having maximized sound absorbing characteristics82US 5,824,973 AJohns Manville International, Inc. · 1998
- Heat and sound insulating structure for boarding or other non-loadbearing wall79US 4,434,592 ASMAC Acieroid · 1984