E04B 1/941
Building elements specially adapted therefor
Official title: {Building elements specially adapted therefor}
E04B1/941 (Building elements specially adapted therefor) appears on 581 US grants and 691 published applications in this corpus.
Search patents in E04B- Granted patents
- 581
- Published applications
- 691
- Assignees
- 366
- Inventors
- 1,151
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 8 | 0 |
| 1978 | 11 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 5 | 0 |
| 1988 | 11 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 8 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 8 | 0 |
| 2001 | 6 | 1 |
| 2002 | 4 | 6 |
| 2003 | 2 | 8 |
| 2004 | 5 | 8 |
| 2005 | 5 | 7 |
| 2006 | 2 | 18 |
| 2007 | 3 | 13 |
| 2008 | 1 | 18 |
| 2009 | 1 | 11 |
| 2010 | 6 | 9 |
| 2011 | 7 | 21 |
| 2012 | 13 | 15 |
| 2013 | 17 | 26 |
| 2014 | 14 | 37 |
| 2015 | 26 | 36 |
| 2016 | 29 | 41 |
| 2017 | 34 | 61 |
| 2018 | 25 | 42 |
| 2019 | 35 | 76 |
| 2020 | 39 | 48 |
| 2021 | 43 | 34 |
| 2022 | 28 | 49 |
| 2023 | 39 | 32 |
| 2024 | 28 | 31 |
| 2025 | 24 | 21 |
| 2026 | 14 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fire-retardant-treated wood composite panels for exterior applications or weather exposure during constructions1 Sep 2026US 12,723,401 B2Louisiana-Pacific Corp.
- Flame retardant clear coatings for building panels4 Aug 2026US 12,698,628 B2AWI Licensing LLC
- Heat insulation and fire prevention structure28 Jul 2026US 12,692,696 B2Industrial Hans Co. Ltd.
- Composite material and fire protection element for sealing passage openings and joints in components23 Jun 2026US 12,661,539 B2Hilti Aktiengesellschaft
- Structural assembly using differential settlement anchors19 May 2026US 12,631,016 B2Thermacrete LLC
- Fire-Resistant Building Panels1 Oct 2026US 2026/0297933 A1Envirograf Ltd
- Heat sensitive protective barrier17 Sep 2026US 2026/0273322 A1
- Wall panel for a mobile medical accommodation unit, a mobile medical accommodation unit and a method of constructing a wall panel for a mobile medical accommodation unit10 Sep 2026US 2026/0264362 A1Lamboo Medical Holding B.V.
- Composite material and fire protection element for sealing passage openings and joints in components3 Sep 2026US 2026/0257088 A1Hilti Aktiengesellschaft
- Fire-resistant multiple drywall panel assembly3 Sep 2026US 2026/0258655 A1R&H Food Equipment Inc.
Most cited
By later US patents
- Fire-resistant core for a combustible fire-rated panel137US 6,271,156 B1Lydall, Inc. · 2001
- Stud for forming fire-rated wall and structure formed therewith121US 4,152,878 AUnited States Gypsum Company · 1979
- Fire-rated joint system120US 8,595,999 B1California Expanded Metal Products Company · 2013
- Heat expandable fireproof and flame retardant construction product114US 4,756,945 ABacker Rod Manufacturing and Supply Company · 1988
- Fire and water resistant expansion joint system113US 8,365,495 B1Emseal Joint Systems Ltd. · 2013