A62B 9/02
Valves
Official title: Valves {(non-return valves mounted in breathing masks or helmets A62B18/10)}
A62B9/02 (Valves) appears on 512 US grants and 472 published applications in this corpus.
Search patents in A62B- Granted patents
- 512
- Published applications
- 472
- Assignees
- 254
- Inventors
- 894
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 7 | 0 |
| 1978 | 8 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 8 | 0 |
| 1982 | 7 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 8 | 0 |
| 1986 | 8 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 14 | 0 |
| 1990 | 8 | 0 |
| 1991 | 8 | 0 |
| 1992 | 9 | 0 |
| 1993 | 10 | 0 |
| 1994 | 10 | 0 |
| 1995 | 12 | 0 |
| 1996 | 12 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 12 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 0 |
| 2002 | 5 | 5 |
| 2003 | 5 | 11 |
| 2004 | 8 | 10 |
| 2005 | 5 | 5 |
| 2006 | 6 | 7 |
| 2007 | 3 | 11 |
| 2008 | 7 | 15 |
| 2009 | 4 | 14 |
| 2010 | 5 | 11 |
| 2011 | 6 | 6 |
| 2012 | 10 | 12 |
| 2013 | 9 | 15 |
| 2014 | 8 | 26 |
| 2015 | 15 | 34 |
| 2016 | 9 | 26 |
| 2017 | 14 | 18 |
| 2018 | 25 | 20 |
| 2019 | 22 | 20 |
| 2020 | 19 | 24 |
| 2021 | 16 | 42 |
| 2022 | 24 | 46 |
| 2023 | 16 | 29 |
| 2024 | 27 | 32 |
| 2025 | 25 | 21 |
| 2026 | 14 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ventilation apparatus8 Sep 2026US 12,728,296 B2Aviation Works Ltd
- Breathing apparatus with multiple breathing channels25 Aug 2026US 12,714,821 B1MPOINTAERO Inc.
- Portable gas delivery device25 Aug 2026US 12,714,888 B1Minogue Consulting, LLC
- Breathing regulator boost tube11 Aug 2026US 12,702,871 B2Honeywell International Inc.
- Full-face respirator mask11 Aug 2026US D1,141,117 S1Design
- Lung Demand Regulator1 Oct 2026US 2026/0295307 A1Dräger Safety AG & Co. KGaA
- Flow Valve1 Oct 2026US 2026/0295308 A1Dräger Safety AG & Co. KGaA
- Portable oxygen cylinder23 Jul 2026US 2026/0207977 A1
- Modular self contained breathing apparatus and powered air purifying respirator system11 Jun 2026US 2026/0158300 A1
- Demand regulator28 May 2026US 2026/0145011 A1Dräger Safety AG & Co. KGaA
Most cited
By later US patents
- Breathing equipment such as resuscitators308US 4,077,404 AH. B. W. Medical Instruments Manufacturing Company, Inc. · 1978
- Flow regulating valve and method298US 5,685,296 ARespironics, Inc. · 1997
- Valve for use in a gas delivery system255US 5,896,857 AResMed Limited · 1999
- Demand valve for a respirator192US 5,042,473 APro-Tech Respirators, Inc. · 1991
- Vent valve apparatus191US 6,006,748 AResMed Limited · 1999