A62B 18/04
Gas helmets
A62B18/04 (Gas helmets) appears on 282 US grants and 336 published applications in this corpus.
Search patents in A62B- Granted patents
- 282
- Published applications
- 336
- Assignees
- 170
- Inventors
- 746
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 8 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 4 |
| 2002 | 5 | 3 |
| 2003 | 5 | 9 |
| 2004 | 5 | 2 |
| 2005 | 4 | 10 |
| 2006 | 6 | 6 |
| 2007 | 2 | 7 |
| 2008 | 1 | 3 |
| 2009 | 0 | 1 |
| 2010 | 6 | 6 |
| 2011 | 4 | 7 |
| 2012 | 5 | 5 |
| 2013 | 3 | 12 |
| 2014 | 5 | 9 |
| 2015 | 8 | 12 |
| 2016 | 8 | 13 |
| 2017 | 7 | 14 |
| 2018 | 9 | 10 |
| 2019 | 9 | 13 |
| 2020 | 14 | 13 |
| 2021 | 9 | 43 |
| 2022 | 20 | 49 |
| 2023 | 12 | 41 |
| 2024 | 20 | 13 |
| 2025 | 23 | 19 |
| 2026 | 17 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hardhat with air conduit15 Sep 2026US 12,734,377 B23M Innovative Properties Company
- Reusable head gear with replaceable microfilter assemblies powered air circulation, earthing and communication protocol8 Sep 2026US 12,728,300 B2
- Full face mask equipped with an inlet air filter25 Aug 2026US 12,714,890 B2Mestel Safety S.R.L.
- Head protection with integrated air filtration18 Aug 2026US 12,708,168 B2Gilz LLC
- Firefighter safety helmet system14 Jul 2026US 12,678,640 B1Imam Abdulrahman Bin Faisal University
- Dual breathable gas supply apparatus24 Sep 2026US 2026/0285454 A1
- Masks, helmets and components thereof16 Jul 2026US 2026/0198625 A1
- Respiratory pump arrangement for personal respiratory isolation and method of use25 Jun 2026US 2026/0175056 A1FlexSys, Inc.
- Firefighter protective gloves with regenerated cellulose fiber18 Jun 2026US 2026/0166348 A1Innotex Inc.
- Personal protection system and method4 Jun 2026US 2026/0151655 A1Pabban Development, Inc.
Most cited
By later US patents
- Breathing equipment for aircrew276US 5,649,532 A1997
- Multiple-effect respirator220US 4,549,542 A1985
- Personal air filtration and control system161US 5,054,480 ABio Medical Devices, Inc. · 1991
- Air filtration system including a helmet assembly129US 6,481,019 B2Stryker Instruments · 2002
- Helmet-mounted air system for personal comfort125US 5,193,347 A1993