E04B 1/948
Fire-proof sealings or joints
Official title: {Fire-proof sealings or joints (for doors or windows E06B5/164)}
E04B1/948 (Fire-proof sealings or joints) appears on 345 US grants and 382 published applications in this corpus.
Search patents in E04B- Granted patents
- 345
- Published applications
- 382
- Assignees
- 118
- Inventors
- 327
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 5 |
| 2009 | 1 | 4 |
| 2010 | 2 | 5 |
| 2011 | 5 | 9 |
| 2012 | 4 | 6 |
| 2013 | 11 | 7 |
| 2014 | 10 | 8 |
| 2015 | 12 | 18 |
| 2016 | 15 | 18 |
| 2017 | 14 | 28 |
| 2018 | 22 | 35 |
| 2019 | 33 | 43 |
| 2020 | 32 | 41 |
| 2021 | 41 | 32 |
| 2022 | 24 | 34 |
| 2023 | 22 | 26 |
| 2024 | 28 | 19 |
| 2025 | 18 | 19 |
| 2026 | 12 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Joint-sealing strip29 Sep 2026US 12,747,582 B2Hanno-Werk GmbH & Co. KG
- 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
- Welding enclosure with magnetic-latching doorway18 Aug 2026US 12,708,966 B1Gulf Island Fabrication, Inc.
- Window mullion to interior wall transition assembly4 Aug 2026US 12,698,629 B2Cemco, LLC
- Fire-rated joint component with multiple intumescent material layers and related wall assemblies1 Oct 2026US 2026/0295314 A1Cemco, LLC
- 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.
- Sealing profile for edge joints, drywall, and method for fastening27 Aug 2026US 2026/0250943 A1Hilti Aktiengesellschaft
- Building joint with compressible firestopping component27 Aug 2026US 2026/0250947 A1Cemco, LLC
Most cited
By later US patents
- Fire barrier protected dynamic joint200US 5,765,332 AMinnesota Mining and Manufacturing Company · 1998
- 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
- Fire barrier protected dynamic joint131US 5,974,750 A3M Innovative Properties Company · 1999
- Fire barrier127US 6,131,352 A2000