F41H 9/06
Apparatus for generating artificial fog or smoke screens
Official title: Apparatus for generating artificial fog or smoke screens ({for producing special effects on stages A63J5/00}; smoke-pot projectors, e.g. arranged on vehicles, F42B5/155)
F41H9/06 (Apparatus for generating artificial fog or smoke screens) appears on 134 US grants and 90 published applications in this corpus.
Search patents in F41H- Granted patents
- 134
- Published applications
- 90
- Assignees
- 77
- Inventors
- 213
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 1 |
| 2003 | 3 | 3 |
| 2004 | 2 | 2 |
| 2005 | 1 | 2 |
| 2006 | 3 | 2 |
| 2007 | 0 | 6 |
| 2008 | 3 | 0 |
| 2009 | 1 | 1 |
| 2010 | 2 | 2 |
| 2011 | 0 | 7 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 2 | 3 |
| 2015 | 4 | 7 |
| 2016 | 1 | 2 |
| 2017 | 7 | 7 |
| 2018 | 4 | 7 |
| 2019 | 7 | 6 |
| 2020 | 3 | 8 |
| 2021 | 10 | 3 |
| 2022 | 6 | 7 |
| 2023 | 2 | 3 |
| 2024 | 2 | 4 |
| 2025 | 3 | 3 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Forced air fog chiller17 Feb 2026US 12,551,818 B2
- Waterproof heating module for smoke generator17 Feb 2026US 12,551,819 B2Novacorp Inc.
- Visibility-impairing security device10 Feb 2026US 12,546,571 B2Essence Security International (E.S.I.) Ltd.
- Dry ice machine for creating fog effect23 Dec 2025US 12,502,619 B2Shen Yun Collections, Inc.
- Safety systems for battery-supplied fogging device30 Sep 2025US 12,431,314 B2Ur Fog S.R.L.
- Composition for non-pyrotechnic generation of smoke21 May 2026US 2026/0138936 A1
- Smoke generator with deflector21 Aug 2025US 2025/0262630 A1Verisure SàRl
- Forced air fog chiller17 Apr 2025US 2025/0121298 A1
- Battery-operated fog generator with instantaneous heating16 Jan 2025US 2025/0020438 A1
- Fog generator for security system7 Nov 2024US 2024/0369259 A1Limited Liability Company "G-Mak"
Most cited
By later US patents
- Autonomous marine vehicle159US 6,269,763 B12001
- Electric smoke generator41US 4,764,660 AThe United States of America as represented by the Secretary of the Navy · 1988
- Smoke generator38US 4,818,843 A1989
- Method of generating non-toxic smoke32US 5,610,359 A1997
- Smoke generating apparatus30US 4,303,397 AThe United States of America as represented by the Secretary of the Navy · 1981