A62C 2/22
Fire-dampers with provision for the removal of an obstacle
Official title: Fire-dampers with provision for the removal of an obstacle, e.g. rails, conveyors, before closing the opening
A62C2/22 (Fire-dampers with provision for the removal of an obstacle) appears on 19 US grants and 20 published applications in this corpus.
Search patents in A62C- Granted patents
- 19
- Published applications
- 20
- Assignees
- 14
- Inventors
- 46
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 2 | 3 |
| 2018 | 1 | 0 |
| 2019 | 1 | 3 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 4 |
| 2023 | 0 | 0 |
| 2024 | 2 | 3 |
| 2025 | 2 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Shutter open-closing apparatus, shutter open-closing system including the same, and shutter open-closing method25 Aug 2026US 12,714,892 B2Semes Co., Ltd.
- Transport facility27 Jan 2026US 12,534,954 B2Daifuku Co., Ltd.
- Fireproof shutter and transport apparatus including the same21 Oct 2025US 12,448,835 B2Semes Co., Ltd.
- Automated storage and retrieval system with a vehicle pen8 Jul 2025US 12,351,404 B2Autostore Technology AS
- Transport conveyor24 Dec 2024US 12,172,843 B2Daifuku Co., Ltd.
- Conveying device23 Oct 2025US 2025/0326585 A1Contemporary Amperex Runzhi Software Technology Limited
- Automated grid storage and retrieval system with passive fire prevention arrangement13 Feb 2025US 2025/0050145 A1Autostore Technology AS
- Transport Facility12 Sep 2024US 2024/0301747 A1Daifuku Co., Ltd.
- Fire protection apparatus and fire protection method4 Jul 2024US 2024/0216724 A1Semes Co., Ltd.
- Shutter open-closing apparatus, shutter open-closing system including the same, and shutter open-closing method6 Jun 2024US 2024/0181281 A1Semes Co., Ltd.
Most cited
By later US patents
- Apparatus for actuating a breakaway conveyor section14US 4,753,337 A1988
- Latching mechanism for a generator fire door8US 5,810,405 AGeneral Electric Company · 1998
- Transport device and transport method for a container treatment installation7US 9,630,035 B2Krones AG · 2017
- Quick-closing fire gate5US 4,108,195 A1978
- Fire and smoke rated fabric door5US 9,133,663 B2CIW Enterprises, Inc. · 2015