A62C 2/24
Operating or controlling mechanisms
Official title: Operating or controlling mechanisms {(emergency operation of doors and windows E05F1/002, E05F15/72)}
A62C2/24 (Operating or controlling mechanisms) appears on 252 US grants and 184 published applications in this corpus.
Search patents in A62C- Granted patents
- 252
- Published applications
- 184
- Assignees
- 141
- Inventors
- 434
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 9 | 0 |
| 1979 | 2 | 0 |
| 1980 | 7 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 8 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 3 |
| 2003 | 2 | 2 |
| 2004 | 5 | 4 |
| 2005 | 1 | 2 |
| 2006 | 4 | 8 |
| 2007 | 2 | 2 |
| 2008 | 0 | 6 |
| 2009 | 2 | 3 |
| 2010 | 1 | 6 |
| 2011 | 3 | 3 |
| 2012 | 4 | 8 |
| 2013 | 5 | 10 |
| 2014 | 6 | 9 |
| 2015 | 11 | 6 |
| 2016 | 5 | 3 |
| 2017 | 9 | 5 |
| 2018 | 4 | 21 |
| 2019 | 5 | 9 |
| 2020 | 12 | 16 |
| 2021 | 15 | 12 |
| 2022 | 10 | 11 |
| 2023 | 8 | 9 |
| 2024 | 14 | 12 |
| 2025 | 11 | 7 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Multi layer fire curtain4 Aug 2026US 12,697,515 B2McKeon Rolling Steel Door Co., Inc.
- Upright sprinkler and a sprinkler system14 Apr 2026US 12,599,794 B2Marioff Corporation Oy
- Battery safety monitoring system and method, and energy storage system17 Mar 2026US 12,576,294 B2Huawei Digital Power Technologies Co., Ltd.
- Deployable fire barrier for protecting structures and vegetation from an approaching fire6 Aug 2026US 2026/0224926 A1Viridis Arbor LLC
- Actuator housing2 Jul 2026US 2026/0183581 A1Belimo Holding AG
- Emergency escape system for fire or hazardous conditions11 Jun 2026US 2026/0158306 A1
- System for automatically deploying a smoke curtain and associated systems and methods9 Apr 2026US 2026/0098655 A1
- Fire protection element having bimetal5 Mar 2026US 2026/0063224 A1Hilti Aktiengesellschaft
Most cited
By later US patents
- Fail-safe fire door release mechanism having automatic reset128US 5,245,879 AMcKeon Rolling Steel Door Co., Inc. · 1993
- Door controlling device106US 6,484,784 B12002
- Apparatus and method for operating a door94US 6,155,324 AThe Cookson Company · 2000
- Fire rated floor door and control system70US 5,554,433 AThe Bilco Company · 1996
- Mechanism for controlling the raising and lowering of a door61US 5,203,392 AAnchuan Corporation · 1993