A62C 2/20
At 90 degrees to the plane of the opening
Official title: at 90 degrees to the plane of the opening
A62C2/20 (At 90 degrees to the plane of the opening) appears on 12 US grants and 12 published applications in this corpus.
Search patents in A62C- Granted patents
- 12
- Published applications
- 12
- Assignees
- 11
- Inventors
- 29
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 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 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 0 | 1 |
| 2024 | 2 | 2 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fireproof door apparatus, fireproof structure and substrate treating facility9 Dec 2025US 12,492,589 B2Semes Co., Ltd.
- Firebreak device3 Jun 2025US 12,318,640 B2BPR Medical Limited
- Fire door system for conveyor11 Jun 2024US 12,005,280 B2Fortyfive Fabrication, LLC
- Firestop device including an expandable fold-out collar28 May 2024US 11,992,714 B2J. Van Walraven Holding B.V.
- Self-closing vent19 Feb 2019US 10,207,132 B2Flannery, Inc.
- Fireproof door apparatus, fireproof structure and substrate treating facility28 Nov 2024US 2024/0392622 A1Semes Co., Ltd.
- Fire and explosion protection system for battery pack3 Oct 2024US 2024/0332716 A1Carrier Corporation
- Fire door system for conveyor26 Jan 2023US 2023/0022879 A1Fortyfive Fabrication, LLC
- Firebreak device8 Sep 2022US 2022/0280819 A1BPR Medical Limited
- Firestop device including an expandable fold-out collar21 Apr 2022US 2022/0118296 A1J. Van Walraven Holding B.V.
Most cited
By later US patents
- Flame-arresting or smoke-clearing valve device operating by closure and opening respectively6US 3,981,317 A1976
- Fire damper for ceiling diffuser6US 5,584,312 ATomkins Industries, Inc. · 1996
- Combined, adjustable airing valve and fire protection valve5US 4,044,785 A1977
- Closing device with valve having a high speed reaction5US 4,208,032 AMineur-Becourt SA · 1980
- Air flow balancing fire damper3US 4,519,301 A1985