A62C 2/06
Physical fire-barriers
A62C2/06 (Physical fire-barriers) appears on 909 US grants and 915 published applications in this corpus.
Search patents in A62C- Granted patents
- 909
- Published applications
- 915
- Assignees
- 508
- Inventors
- 1,705
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 13 | 0 |
| 1978 | 15 | 0 |
| 1979 | 10 | 0 |
| 1980 | 17 | 0 |
| 1981 | 13 | 0 |
| 1982 | 5 | 0 |
| 1983 | 7 | 0 |
| 1984 | 7 | 0 |
| 1985 | 10 | 0 |
| 1986 | 10 | 0 |
| 1987 | 8 | 0 |
| 1988 | 7 | 0 |
| 1989 | 14 | 0 |
| 1990 | 10 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 15 | 0 |
| 1994 | 10 | 0 |
| 1995 | 14 | 0 |
| 1996 | 18 | 0 |
| 1997 | 15 | 0 |
| 1998 | 20 | 0 |
| 1999 | 19 | 0 |
| 2000 | 11 | 0 |
| 2001 | 3 | 2 |
| 2002 | 7 | 12 |
| 2003 | 8 | 9 |
| 2004 | 15 | 23 |
| 2005 | 7 | 19 |
| 2006 | 14 | 31 |
| 2007 | 11 | 19 |
| 2008 | 10 | 23 |
| 2009 | 8 | 27 |
| 2010 | 18 | 32 |
| 2011 | 15 | 28 |
| 2012 | 16 | 26 |
| 2013 | 9 | 41 |
| 2014 | 35 | 41 |
| 2015 | 37 | 38 |
| 2016 | 30 | 34 |
| 2017 | 28 | 39 |
| 2018 | 30 | 56 |
| 2019 | 37 | 61 |
| 2020 | 45 | 60 |
| 2021 | 56 | 53 |
| 2022 | 26 | 55 |
| 2023 | 31 | 51 |
| 2024 | 48 | 50 |
| 2025 | 45 | 45 |
| 2026 | 25 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A62C 2/065Having as the main closure device materials, whose characteristics undergo an irreversible256
- A62C 2/24Operating or controlling mechanisms252
- A62C 2/12Hinged dampers171
- A62C 2/10Fire-proof curtains103
- A62C 2/18Sliding dampers48
- A62C 2/08Water curtains28
- A62C 2/22Fire-dampers with provision for the removal of an obstacle19
Recent patents
- Hydrogen fusible link29 Sep 2026US 12,746,417 B2Atomic Energy of Canada Limited/éNergie Atomique Du Canada LimitéE
- Vented safety cabinet with thermally-actuated damper29 Sep 2026US 12,746,418 B2Justrite Manufacturing Company
- Shutter open-closing apparatus, shutter open-closing system including the same, and shutter open-closing method25 Aug 2026US 12,714,892 B2Semes Co., Ltd.
- Fire rated cleanout cover assemblies18 Aug 2026US 12,708,804 B2Reliance Worldwide Corporation
- Welding enclosure with magnetic-latching doorway18 Aug 2026US 12,708,966 B1Gulf Island Fabrication, Inc.
- Method and apparatus for confining the spread of pollutants spilled into a moving fluid8 Oct 2026US 2026/0308859 A1
- Energy saving module and energy saving system including the same8 Oct 2026US 2026/0312199 A1Samsung SDI.Co., Ltd.
- Fire wall panel with reinforced columns1 Oct 2026US 2026/0295313 A1PNK Holdings LLC
- Fire-rated joint component with multiple intumescent material layers and related wall assemblies1 Oct 2026US 2026/0295314 A1Cemco, LLC
- Cast-in-place through-penetration firestop device24 Sep 2026US 2026/0287090 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
- Fail-safe fire door release mechanism having automatic reset128US 5,245,879 AMcKeon Rolling Steel Door Co., Inc. · 1993