F41B 9/00
Liquid ejecting guns
Official title: Liquid ejecting guns, e.g. water pistols {, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure}
F41B9/00 (Liquid ejecting guns) appears on 377 US grants and 267 published applications in this corpus.
Search patents in F41B- Granted patents
- 377
- Published applications
- 267
- Assignees
- 156
- Inventors
- 522
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 8 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 6 | 0 |
| 1992 | 10 | 0 |
| 1993 | 11 | 0 |
| 1994 | 17 | 0 |
| 1995 | 12 | 0 |
| 1996 | 7 | 0 |
| 1997 | 10 | 0 |
| 1998 | 17 | 0 |
| 1999 | 10 | 0 |
| 2000 | 8 | 0 |
| 2001 | 13 | 2 |
| 2002 | 11 | 9 |
| 2003 | 7 | 10 |
| 2004 | 8 | 14 |
| 2005 | 10 | 16 |
| 2006 | 6 | 18 |
| 2007 | 5 | 11 |
| 2008 | 8 | 13 |
| 2009 | 8 | 13 |
| 2010 | 10 | 10 |
| 2011 | 13 | 15 |
| 2012 | 7 | 16 |
| 2013 | 11 | 9 |
| 2014 | 11 | 10 |
| 2015 | 9 | 9 |
| 2016 | 11 | 10 |
| 2017 | 8 | 3 |
| 2018 | 8 | 10 |
| 2019 | 15 | 13 |
| 2020 | 11 | 11 |
| 2021 | 13 | 11 |
| 2022 | 6 | 4 |
| 2023 | 4 | 8 |
| 2024 | 9 | 8 |
| 2025 | 6 | 8 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F41B 9/0003Liquid ejecting guns: characterised by the pressurisation of the liquid323
- F41B 9/0078Liquid ejecting guns: characterised by the gun housing59
- F41B 9/0071Liquid ejecting guns: characterised by special valve arrangements41
- F41B 9/0087Liquid ejecting guns: characterised by the intended use41
- F41B 9/0075Liquid ejecting guns: characterised by special nozzle arrangements35
- F41B 9/0059Liquid ejecting guns: characterised by the number or kind of pressure or25
- F41B 9/0096Liquid ejecting guns: having means for mixing other agents with the liquid13
Recent patents
- Anti-freeze water gun structure23 Jun 2026US 12,663,235 B2Zhongshan Qingyi Metal Products Enterprise Co., Ltd.
- Water gun31 Mar 2026US D1,121,063 S1Zuru IP Ltd. · Design
- Specially-shaped-charges for focusing fluid jets30 Dec 2025US 12,510,334 B2The United States of America as Represented by the Federal Bureau of Investigation, Department of Justice
- Water gun16 Dec 2025US 12,498,196 B2
- Phone case to hold a concealed defense system9 Dec 2025US 12,493,328 B1
- Multi-shot disrupter24 Sep 2026US 2026/0287301 A1Applied Research Associates, Inc.
- Hand-cranked Driving Device and Hand-cranked Water Gun25 Jun 2026US 2026/0177346 A1Shantou Barbosheng Technology Co., Ltd.
- Water gun18 Jun 2026US 2026/0168757 A1
- Half pipe disrupter26 Mar 2026US 2026/0085908 A1Disablement Technologies and Consulting LLC
- Toy water gun and accessories therefore5 Feb 2026US 2026/0036393 A1WeCool Toys Inc.
Most cited
By later US patents
- Bioluminescent novelty items261US 5,876,995 A1999
- Rough terrain, large water volume, track driven firefighting vehicle and its method of operation91US 6,289,995 B12001
- Pinch trigger pump water gun89US 5,074,437 A1991
- Combined water pistol and scoring target81US 5,435,569 A1995
- Water fortress78US 5,779,240 A1998