A62B 13/00
Special devices for ventilating gasproof shelters
Official title: Special devices for ventilating gasproof shelters (ventilating in general F24F)
A62B13/00 (Special devices for ventilating gasproof shelters) appears on 45 US grants and 42 published applications in this corpus.
Search patents in A62B- Granted patents
- 45
- Published applications
- 42
- Assignees
- 27
- Inventors
- 83
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 2 |
| 2002 | 2 | 1 |
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 4 |
| 2009 | 4 | 2 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 2 | 0 |
| 2013 | 3 | 1 |
| 2014 | 4 | 2 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 1 | 2 |
| 2021 | 3 | 3 |
| 2022 | 0 | 3 |
| 2023 | 3 | 1 |
| 2024 | 2 | 4 |
| 2025 | 2 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system of automatically modifying a rate of filling an air bottle with breathable air in a firefighter air replenishment system based on flow rate detection thereof21 Apr 2026US 12,605,572 B2Rescue Air Systems, Inc.
- Pathogen protection device7 Oct 2025US 12,434,079 B2
- Modular portable multi-crew life support system4 Feb 2025US 12,214,227 B2Hamilton Sundstrand Corporation
- NBC filtration systems26 Mar 2024US 11,938,351 B2Beth-El Zikhron Yaaqov Industries Ltd.
- Underground shelter with air-intake system26 Mar 2024US 11,939,792 B2Atlas Survival Shelters LLC
- Maskless respiratory, skin, and eye protection device for aerosols and vapors including chemical, biological, radiological, nuclear, and explosive (cbrne) contaminants30 Apr 2026US 2026/0115504 A1Patient Knowhow, Inc.
- Maskless respiratory, skin, and eye protection device for aerosols and vapors including chemical, biological, radiological, nuclear, and explosive (cbrne) contaminants16 Apr 2026US 2026/0102637 A1Patient Knowhow, Inc.
- Booster pump based efficient maintenance of source pressure of breathable air in a breathable air supply system7 Aug 2025US 2025/0249292 A1Rescue Air Systems, Inc.
- In-ground raceway of a safety system associated with a structure with one or more fire rated component(s) to provide physical isolation and to seamlessly and jointlessly transition a metallic coil tube across perpendicular directions17 Jul 2025US 2025/0229112 A1Rescue Air Systems, Inc.
- Underground Shelter with Air-Intake System17 Oct 2024US 2024/0344347 A1Atlas Survival Shelters LLC
Most cited
By later US patents
- Forced ventilation filtration device185US 5,022,900 AEagle, Military Gear Overseas Ltd. · 1991
- Control system for doors of a negative air pressure enclosure87US 5,099,751 AGPAC, Inc. · 1992
- Protective action system including a deployable system63US 5,706,846 AUnited Defense, L.P. · 1998
- Ventilation method and means for the same60US 5,331,991 AAB Ventilatorverken · 1994
- Fireproof cabinet system for electronic equipment59US 4,616,694 A1986