A62B 11/00
Devices for reconditioning breathing air in sealed rooms
Official title: Devices for reconditioning breathing air in sealed rooms (chemical purification, disinfection, or sterilisation of air A61L; in aircraft or submarines, insofar as they influence the construction of the vehicle or are influenced by its construction B63B, B64D, respectively; air-conditioning in general F24F)
A62B11/00 (Devices for reconditioning breathing air in sealed rooms) appears on 56 US grants and 57 published applications in this corpus.
Search patents in A62B- Granted patents
- 56
- Published applications
- 57
- Assignees
- 40
- Inventors
- 141
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 2 |
| 2002 | 4 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 2 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 3 |
| 2014 | 1 | 1 |
| 2015 | 1 | 2 |
| 2016 | 0 | 4 |
| 2017 | 2 | 1 |
| 2018 | 0 | 2 |
| 2019 | 4 | 4 |
| 2020 | 3 | 4 |
| 2021 | 3 | 6 |
| 2022 | 1 | 6 |
| 2023 | 2 | 4 |
| 2024 | 3 | 1 |
| 2025 | 3 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Configuration for expedited filling and emptying of an amine bed29 Jul 2025US 12,370,488 B2Hamilton Sundstrand Corporation
- Electro-ionic devices for improved protection from airborne biopathogens28 Jan 2025US 12,208,183 B2
- NBC filtration system with air exchange backup unit28 Jan 2025US 12,208,290 B2Beth-El Zikhron Yaaqov Industries Ltd.
- System for monitoring serviceability status parameters3 Dec 2024US 12,157,020 B2Dezega Polska Sp. Z O. O.
- Electro-ionic devices for improved protection from airborne biopathogens28 May 2024US 11,992,585 B2
- Co2 separation system20 Aug 2026US 2026/0241330 A1Panasonic Intellectual Property Management Co., Ltd.
- Fire Shelter and Method18 Sep 2025US 2025/0290312 A1Strata Products Worldwide, LLC
- Nbc filtration system with air exchange backup unit24 Jul 2025US 2025/0235723 A1Beth-El Zikhron Yaaqov Industries Ltd.
- Electro-ionic devices for improved protection from airborne biopathogens17 Oct 2024US 2024/0342335 A1
- Hollow fiber membrane for enclosed space air remediation9 Nov 2023US 2023/0356154 A1University of Kentucky Research Foundation
Most cited
By later US patents
- Sorbent system and method for absorbing carbon dioxide (CO2) from the atmosphere of a closed habitable environment129US 6,364,938 B1Hamilton Sundstrand Corporation · 2002
- Self-contained, portable room air treatment apparatus and method therefore107US 5,240,478 A1993
- Combined lamp and indoor air purification apparatus63US 5,217,696 A1993
- Carbon dioxide scrubber for fuel and gas emissions56US 6,755,892 B2Hamilton Sundstrand Corporation · 2004
- Method and apparatus for air purification53US 6,488,900 B1MesoSystems Technology, Inc. · 2002