F41B 9/0018
The gas being compressed utilising a manual piston pump
Official title: {the gas being compressed utilising a manual piston pump}
F41B9/0018 (The gas being compressed utilising a manual piston pump) appears on 67 US grants and 43 published applications in this corpus.
Search patents in F41B- Granted patents
- 67
- Published applications
- 43
- Assignees
- 30
- Inventors
- 75
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 5 |
| 2003 | 2 | 3 |
| 2004 | 2 | 5 |
| 2005 | 3 | 5 |
| 2006 | 1 | 7 |
| 2007 | 2 | 4 |
| 2008 | 3 | 2 |
| 2009 | 2 | 2 |
| 2010 | 2 | 2 |
| 2011 | 2 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 1 |
| 2024 | 2 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Pinch trigger pump water gun89US 5,074,437 A1991
- Double tank pinch trigger pump water gun69US 5,150,819 A1992
- Water pistol and/or flashlight structure63US 4,239,129 A1980
- Hydro pistol with pressurized water container and with variable water ejection capability57US 4,214,674 ACalifornia R & D Center · 1980
- Snap action ball valve assembly and liquid dispenser using same55US 6,631,830 B2Larami Limited · 2003