F41H 9/00
Equipment for attack or defence by spreading flame, gas or smoke or
Official title: Equipment for attack or defence by spreading flame, gas or smoke {or leurres}; Chemical warfare equipment (protection against chemicals A62B)
F41H9/00 (Equipment for attack or defence by spreading flame, gas or smoke or) appears on 565 US grants and 459 published applications in this corpus.
Search patents in F41H- Granted patents
- 565
- Published applications
- 459
- Assignees
- 237
- Inventors
- 930
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 14 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 9 | 0 |
| 1993 | 10 | 0 |
| 1994 | 16 | 0 |
| 1995 | 15 | 0 |
| 1996 | 19 | 0 |
| 1997 | 15 | 0 |
| 1998 | 15 | 0 |
| 1999 | 19 | 0 |
| 2000 | 11 | 0 |
| 2001 | 8 | 3 |
| 2002 | 10 | 11 |
| 2003 | 14 | 12 |
| 2004 | 11 | 18 |
| 2005 | 8 | 11 |
| 2006 | 11 | 15 |
| 2007 | 3 | 21 |
| 2008 | 11 | 11 |
| 2009 | 6 | 12 |
| 2010 | 13 | 13 |
| 2011 | 3 | 22 |
| 2012 | 7 | 10 |
| 2013 | 12 | 11 |
| 2014 | 8 | 18 |
| 2015 | 15 | 19 |
| 2016 | 17 | 19 |
| 2017 | 18 | 28 |
| 2018 | 19 | 29 |
| 2019 | 30 | 27 |
| 2020 | 23 | 26 |
| 2021 | 22 | 20 |
| 2022 | 24 | 31 |
| 2023 | 14 | 19 |
| 2024 | 15 | 21 |
| 2025 | 16 | 20 |
| 2026 | 16 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dispensing systems, dispensers, and methods of use22 Sep 2026US 12,741,805 B2
- Remote deployment safety system and deterrent devices11 Aug 2026US 12,702,994 B2
- Pepper spray dispensing systems and devices and methods of use23 Jun 2026US 12,662,301 B2
- Dispensers for spraying chemical irritants and methods of using2 Jun 2026US 12,643,731 B2
- Self-defense devices and related methods12 May 2026US 12,624,929 B1Safestrike Technologies LLC
- Dispensing devices, dispensing systems, and methods of use2 Jul 2026US 2026/0184489 A1Security Equipment Corporation
- Intruder deterrent apparatus28 May 2026US 2026/0146831 A1
- Composition for non-pyrotechnic generation of smoke21 May 2026US 2026/0138936 A1
- Autonomous security robot system with fluid-based deterrent, ink tracking, and automated refill30 Apr 2026US 2026/0115747 A1Agape-1 Technology Inc.
- Autonomous refill station for docking-based fluid transfer in security robots30 Apr 2026US 2026/0116351 A1Agape-1 Technology Inc.
Most cited
By later US patents
- Autonomous marine vehicle159US 6,269,763 B12001
- Autonomous safety and security device on an unmanned platform under command and control of a cellular phone134US 9,589,448 B1Micro Apps Group Inventions, LLC · 2017
- Interactive transector device116US 4,884,809 A1989
- Multi-function clipboard apparatus104US 4,153,927 A1979
- Personal accessory and defense baton87US 5,086,377 A1992