A62C 2/12
Hinged dampers
A62C2/12 (Hinged dampers) appears on 171 US grants and 105 published applications in this corpus.
Search patents in A62C- Granted patents
- 171
- Published applications
- 105
- Assignees
- 105
- Inventors
- 271
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 8 | 0 |
| 1978 | 4 | 0 |
| 1979 | 7 | 0 |
| 1980 | 8 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 4 |
| 2003 | 2 | 0 |
| 2004 | 1 | 4 |
| 2005 | 1 | 4 |
| 2006 | 5 | 4 |
| 2007 | 2 | 2 |
| 2008 | 1 | 7 |
| 2009 | 1 | 2 |
| 2010 | 3 | 1 |
| 2011 | 1 | 3 |
| 2012 | 3 | 4 |
| 2013 | 0 | 3 |
| 2014 | 3 | 3 |
| 2015 | 1 | 4 |
| 2016 | 8 | 5 |
| 2017 | 2 | 5 |
| 2018 | 4 | 10 |
| 2019 | 5 | 7 |
| 2020 | 6 | 5 |
| 2021 | 5 | 6 |
| 2022 | 7 | 3 |
| 2023 | 3 | 7 |
| 2024 | 8 | 9 |
| 2025 | 5 | 2 |
| 2026 | 4 | 0 |
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
- Self-testing fire door23 Jun 2026US 12,663,294 B2Harmony Fire Ltd.
- Generator enclosure with fire damper17 Mar 2026US 12,580,455 B2Discovery Energy, LLC
- Actuator for a damper and method thereof25 Nov 2025US 12,480,681 B2Siemens Industry, Inc.
- Energy storage system24 Jul 2025US 2025/0235728 A1Samsung SDI.Co., Ltd.
- Backdraft damper17 Apr 2025US 2025/0123024 A1Seeley International Pty Ltd
- Attic vent fire protection system12 Dec 2024US 2024/0408425 A1
- Ventilation device comprising at least one automatically closing flap, aircraft comprising at least one such ventilation device28 Nov 2024US 2024/0391297 A1
- Actuator device having power spring retention3 Oct 2024US 2024/0328396 A1Siemens Industry, Inc.
Most cited
By later US patents
- Air flow control system86US 4,977,818 A1990
- Fire rated floor door and control system70US 5,554,433 AThe Bilco Company · 1996
- Magnetically actuated auto-closing air vent55US 8,062,108 B22011
- Fire-resisting device for piping extending through a wall51US 4,136,707 APont-A-Mousson S. A. · 1979
- Heat-actuated door latch38US 4,161,804 ARixson-Firemark, Inc. · 1979