F16L 37/33
The lift valves being of the ball type
Official title: the lift valves being of the ball type
F16L37/33 (The lift valves being of the ball type) appears on 40 US grants and 34 published applications in this corpus.
Search patents in F16L- Granted patents
- 40
- Published applications
- 34
- Assignees
- 26
- Inventors
- 75
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 2 | 1 |
| 2012 | 0 | 3 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 3 |
| 2016 | 5 | 3 |
| 2017 | 2 | 3 |
| 2018 | 1 | 0 |
| 2019 | 1 | 3 |
| 2020 | 0 | 0 |
| 2021 | 2 | 1 |
| 2022 | 1 | 3 |
| 2023 | 1 | 3 |
| 2024 | 2 | 2 |
| 2025 | 1 | 1 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Self-valving connector and interface system and a method of using same93US 5,395,351 ABaxter International Inc. · 1995
- Quick-action fluid coupling53US 5,255,714 APerfecting Services, Inc. · 1993
- Fluid sprayer apparatus and method46US 4,272,019 A1981
- Sealing structure for an oil pipe female coupler40US 6,799,747 B1Plum Industrial Co., Ltd. · 2004
- Rigid mount coupler with flow check stop31US 4,583,711 AParker-Hannifin Corporation · 1986