Against fire
Official title: against fire ({fire protection of partitions E04B2/7403, E04B2/7409; supporting constructions for ceilings having the capability of expansion in case of fire E04B9/08}; fire-fighting A62C, {e.g. fire prevention or containment A62C2/00}; impregnation of wood or similar materials B27K; {fireproof paints C09D5/18; fireproofing materials C09K21/00; flame-resistant papers D21H5/0002; coverings or linings, e.g. for walls or ceilings, in general E04F13/00}; fireproof doors E06B5/16; {firebreak devices for pipes or the like passing through walls F16L5/04; protection of pipes by means of non-inflammable material F16L57/04})
E04B1/94 (Against fire) appears on 1,146 US grants and 1,298 published applications in this corpus.
Search patents in E04B- Granted patents
- 1,146
- Published applications
- 1,298
- Assignees
- 594
- Inventors
- 1,899
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 13 | 0 |
| 1978 | 17 | 0 |
| 1979 | 9 | 0 |
| 1980 | 11 | 0 |
| 1981 | 16 | 0 |
| 1982 | 9 | 0 |
| 1983 | 9 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 13 | 0 |
| 1987 | 6 | 0 |
| 1988 | 14 | 0 |
| 1989 | 14 | 0 |
| 1990 | 12 | 0 |
| 1991 | 3 | 0 |
| 1992 | 10 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 11 | 0 |
| 1996 | 11 | 0 |
| 1997 | 10 | 0 |
| 1998 | 10 | 0 |
| 1999 | 10 | 0 |
| 2000 | 14 | 0 |
| 2001 | 9 | 1 |
| 2002 | 5 | 11 |
| 2003 | 5 | 14 |
| 2004 | 12 | 16 |
| 2005 | 7 | 12 |
| 2006 | 4 | 26 |
| 2007 | 4 | 25 |
| 2008 | 2 | 31 |
| 2009 | 6 | 26 |
| 2010 | 16 | 20 |
| 2011 | 17 | 37 |
| 2012 | 21 | 36 |
| 2013 | 32 | 40 |
| 2014 | 27 | 59 |
| 2015 | 42 | 60 |
| 2016 | 48 | 60 |
| 2017 | 54 | 89 |
| 2018 | 50 | 97 |
| 2019 | 78 | 129 |
| 2020 | 84 | 107 |
| 2021 | 88 | 79 |
| 2022 | 58 | 93 |
| 2023 | 69 | 69 |
| 2024 | 63 | 66 |
| 2025 | 52 | 54 |
| 2026 | 34 | 41 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
- E04B 1/941Building elements specially adapted therefor581
- E04B 1/948Fire-proof sealings or joints345
- E04B 1/947By closing openings in walls or the like in the case of170
- E04B 1/946Protection against smoke or toxic gases57
- E04B 1/945Load-supporting structures specially adapted therefor39
- E04B 2001/949Construction elements filled with liquidIndexing code19
Recent patents
- Joint-sealing strip29 Sep 2026US 12,747,582 B2Hanno-Werk GmbH & Co. KG
- Fire-retardant-treated wood composite panels for exterior applications or weather exposure during constructions1 Sep 2026US 12,723,401 B2Louisiana-Pacific Corp.
- Two-piece deflection drift fire-rated component1 Sep 2026US 12,723,402 B2Cemco, LLC
- Fire barrier sliding mounting system1 Sep 2026US 12,723,403 B2InPro Corporation
- Fire rated floor box installation assembly25 Aug 2026US 12,719,248 B2Hubbell Incorporated
- Fire-Resistant Building Panels8 Oct 2026US 2026/0308909 A1Envirograf Ltd
- Fire-rated joint component with multiple intumescent material layers and related wall assemblies1 Oct 2026US 2026/0295314 A1Cemco, LLC
- Fire-Resistant Building Panels1 Oct 2026US 2026/0297933 A1Envirograf Ltd
- Modular system for producing and sealing a line feedthrough1 Oct 2026US 2026/0297934 A1Hilti Aktiengesellschaft
- Heat sensitive protective barrier17 Sep 2026US 2026/0273322 A1
Most cited
- Fire-resistant intumescent laminates251US 3,934,066 AW. R. Grace & Co. · 1976
- Fire barrier protected dynamic joint200US 5,765,332 AMinnesota Mining and Manufacturing Company · 1998
- Fire retardant foams comprising expandable graphite, amine salts and phosphorous polyols178US 5,173,515 ABayer Aktiengesellschaft · 1992
- Method and apparatus for sealing a joint gap between two independently movable structural substrates173US 7,240,905 B1Specified Technologies Inc. · 2007
- Fire resistant barrier for dynamic expansion joints156US 6,128,874 AConstruction Specialties, Inc. · 2000