F16L 37/36
With two lift valves being actuated to initiate the flow through the
Official title: with two lift valves being actuated to initiate the flow through the coupling after the two coupling parts are locked against withdrawal
F16L37/36 (With two lift valves being actuated to initiate the flow through the) appears on 224 US grants and 179 published applications in this corpus.
Search patents in F16L- Granted patents
- 224
- Published applications
- 179
- Assignees
- 124
- Inventors
- 294
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 4 |
| 2003 | 7 | 1 |
| 2004 | 2 | 1 |
| 2005 | 2 | 7 |
| 2006 | 1 | 1 |
| 2007 | 2 | 3 |
| 2008 | 2 | 4 |
| 2009 | 4 | 5 |
| 2010 | 2 | 9 |
| 2011 | 4 | 7 |
| 2012 | 9 | 16 |
| 2013 | 7 | 8 |
| 2014 | 13 | 6 |
| 2015 | 5 | 5 |
| 2016 | 10 | 10 |
| 2017 | 5 | 3 |
| 2018 | 8 | 10 |
| 2019 | 4 | 10 |
| 2020 | 15 | 9 |
| 2021 | 9 | 7 |
| 2022 | 9 | 10 |
| 2023 | 4 | 13 |
| 2024 | 9 | 10 |
| 2025 | 14 | 10 |
| 2026 | 9 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Coupling adapter87US 4,921,013 AAeroquip Corporation · 1990
- Quick connect air-conditioning coupling86US 5,464,042 AAeroquip Corporation · 1995
- Fluid fitting coupling system84US 5,799,987 A1998
- Dry break coupling valve83US 4,271,865 A1981
- Refrigeration system service adapter83US 5,139,049 AAeroquip Corporation · 1992