F41H 9/04
Gas-blowing apparatus
Official title: Gas-blowing apparatus, e.g. for tear gas (F41H9/10 takes precedence)
F41H9/04 (Gas-blowing apparatus) appears on 41 US grants and 51 published applications in this corpus.
Search patents in F41H- Granted patents
- 41
- Published applications
- 51
- Assignees
- 30
- Inventors
- 104
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 3 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 2 | 2 |
| 2012 | 0 | 1 |
| 2013 | 2 | 1 |
| 2014 | 2 | 4 |
| 2015 | 0 | 1 |
| 2016 | 2 | 1 |
| 2017 | 2 | 3 |
| 2018 | 1 | 7 |
| 2019 | 4 | 4 |
| 2020 | 5 | 5 |
| 2021 | 2 | 5 |
| 2022 | 3 | 4 |
| 2023 | 1 | 1 |
| 2024 | 3 | 3 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Mobile correctional facility robots1 Apr 2025US 12,264,902 B2Global Tel'Link Corporation
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- Non-lethal double-stage article made from a natural cellulose polymer, uses thereof and method for producing same, and kit30 Apr 2026US 2026/0118101 A1Condor S.A. Industria Quimica
- Remote deployment safety system and deterrent devices24 Oct 2024US 2024/0351058 A1
- Mobile correctional facility robots17 Oct 2024US 2024/0344816 A1Global Tel'Link Corporation
- Vehicle mounted riot control gas dispersal system19 Sep 2024US 2024/0310147 A1
- Mobile correctional facility robots22 Jun 2023US 2023/0194227 A1Global Tel'Link Corporation
Most cited
By later US patents
- Electrothermally actuated fluid dispensing device33US 4,068,780 A1978
- Fluid dispensing anti-burglar device16US 4,454,963 A1984
- Launchable remote-control attack device14US 8,636,096 B2Duksan Mecasys Inc. · 2014
- Systems and methods for explosive blast wave mitigation12US 7,421,936 B2BBN Technologies Corp. · 2008
- Charged aerosol10US 4,704,942 A1987