E04B 1/947
By closing openings in walls or the like in the case of
Official title: {by closing openings in walls or the like in the case of fire (fire-proof doors E06B5/16)}
E04B1/947 (By closing openings in walls or the like in the case of) appears on 170 US grants and 221 published applications in this corpus.
Search patents in E04B- Granted patents
- 170
- Published applications
- 221
- Assignees
- 87
- Inventors
- 208
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 2 | 1 |
| 2013 | 3 | 5 |
| 2014 | 5 | 8 |
| 2015 | 10 | 9 |
| 2016 | 9 | 16 |
| 2017 | 9 | 14 |
| 2018 | 12 | 21 |
| 2019 | 16 | 21 |
| 2020 | 20 | 21 |
| 2021 | 15 | 16 |
| 2022 | 10 | 14 |
| 2023 | 12 | 19 |
| 2024 | 14 | 17 |
| 2025 | 17 | 16 |
| 2026 | 8 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Modular system for producing and sealing a line feedthrough1 Oct 2026US 2026/0297934 A1Hilti Aktiengesellschaft
- Composite material and fire protection element for sealing passage openings and joints in components3 Sep 2026US 2026/0257088 A1Hilti Aktiengesellschaft
- Building joint with compressible firestopping component27 Aug 2026US 2026/0250947 A1Cemco, LLC
Most cited
By later US patents
- Fire-rated joint system105US 9,045,899 B2California Expanded Metal Products Company · 2015
- Fire and water resistant expansion and seismic joint system102US 8,341,908 B1Emseal Joint Systems Ltd. · 2013
- Fire-rated wall construction product98US 8,087,205 B2California Expanded Metal Products Company · 2012
- Fire and water resistant expansion and seismic joint system91US 8,813,449 B1Emseal Joint Systems Ltd. · 2014
- Fireblocking device89US 7,540,118 B2Securo B.V. · 2009