A62C 2/14
With two or more blades
Official title: with two or more blades
A62C2/14 (With two or more blades) appears on 89 US grants and 49 published applications in this corpus.
Search patents in A62C- Granted patents
- 89
- Published applications
- 49
- Assignees
- 55
- Inventors
- 125
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 3 |
| 2003 | 2 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 2 |
| 2006 | 4 | 3 |
| 2007 | 2 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 2 | 1 |
| 2011 | 0 | 3 |
| 2012 | 3 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 1 |
| 2015 | 1 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 3 |
| 2018 | 0 | 6 |
| 2019 | 3 | 3 |
| 2020 | 4 | 1 |
| 2021 | 1 | 4 |
| 2022 | 5 | 1 |
| 2023 | 1 | 3 |
| 2024 | 2 | 3 |
| 2025 | 2 | 1 |
| 2026 | 2 | 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
- 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.
- Operator governor release for fire shutters13 May 2025US 12,297,696 B2CornellCookson, LLC
- Fire damper23 Jul 2024US 12,044,004 B2Price Holyoake (Nz) Limited
- Energy storage system24 Jul 2025US 2025/0235728 A1Samsung SDI.Co., Ltd.
- Generator enclosure with fire damper18 Jul 2024US 2024/0243642 A1Kohler Co.
- Actuator for a damper and method thereof18 Apr 2024US 2024/0125506 A1Siemens Industry, Inc.
- Hydrogen fusible link15 Feb 2024US 2024/0050787 A1Atomic Energy of Canada Limited/éNergie Atomique Du Canada LimitéE
- An improved fire collar31 Aug 2023US 2023/0272869 A1Ig6 Pty Ltd
Most cited
By later US patents
- Fire damper and method of fabrication35US 4,146,048 APrefco Productions, Inc. · 1979
- Smoke, fire and air control damper30US 4,080,978 A1978
- Smoke and fire shield damper27US 4,184,288 AActionair Equipment Limited · 1980
- Motor operated fire damper27US 4,432,272 ARuskin Manufacturing Company · 1984
- Damper blade actuating mechanism24US 4,487,214 A1984