F16L 5/04
To form a firebreak device
Official title: to form a firebreak device
F16L5/04 (To form a firebreak device) appears on 340 US grants and 336 published applications in this corpus.
Search patents in F16L- Granted patents
- 340
- Published applications
- 336
- Assignees
- 142
- Inventors
- 439
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 3 |
| 2002 | 7 | 7 |
| 2003 | 9 | 11 |
| 2004 | 9 | 14 |
| 2005 | 3 | 5 |
| 2006 | 7 | 16 |
| 2007 | 3 | 14 |
| 2008 | 4 | 10 |
| 2009 | 7 | 6 |
| 2010 | 11 | 9 |
| 2011 | 6 | 8 |
| 2012 | 5 | 13 |
| 2013 | 4 | 14 |
| 2014 | 16 | 13 |
| 2015 | 13 | 9 |
| 2016 | 6 | 10 |
| 2017 | 6 | 15 |
| 2018 | 13 | 22 |
| 2019 | 16 | 20 |
| 2020 | 20 | 29 |
| 2021 | 16 | 20 |
| 2022 | 15 | 16 |
| 2023 | 21 | 16 |
| 2024 | 12 | 13 |
| 2025 | 14 | 13 |
| 2026 | 6 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Transit device for leading one or more cables and/or pipes through an opening in a partition1 Sep 2026US 12,723,681 B2Roxtec AB
- Fire-resistant filler18 Aug 2026US 12,710,115 B2Kuk Il Inntot Co., Ltd.
- Cast-in-place through-penetration firestop device7 Jul 2026US 12,674,527 B2Hilti Aktiengesellschaft
- Composite material and fire protection element for sealing passage openings and joints in components23 Jun 2026US 12,661,539 B2Hilti Aktiengesellschaft
- Fire collar23 Jun 2026US 12,663,100 B2Ig6 Pty Ltd
- Set of devices for routing lines, pipes, and/or cables through a building component1 Oct 2026US 2026/0298374 A1Hilti Aktiengesellschaft
- Cast-in-place through-penetration firestop device24 Sep 2026US 2026/0287090 A1Hilti Aktiengesellschaft
- Device for routing lines, pipes, and/or cables through a building structure part24 Sep 2026US 2026/0287091 A1Hilti Aktiengesellschaft
- Endless sleeve for a pipe3 Sep 2026US 2026/0257087 A1Hilti Aktiengesellschaft
- Composite material and fire protection element for sealing passage openings and joints in components3 Sep 2026US 2026/0257088 A1Hilti Aktiengesellschaft
Most cited
By later US patents
- System to prevent spread of fire and smoke through wall-breaching utility holes196US 5,456,050 AConstruction Consultants & Contractors, Inc. · 1995
- Tiered firestop assembly177US 5,452,551 AMinnesota Mining and Manufacturing Company · 1995
- Fire safety device151US 5,155,957 ANational Improvement Company, Inc. · 1992
- Fire stop pipe coupling adaptor128US 4,850,385 A1989
- In situ molded thermal barriers121US 6,783,345 B2W. R. Grace & Co.-Conn. · 2004