F16L 2201/10
Indicators for correct coupling
F16L2201/10 (Indicators for correct coupling) appears on 770 US grants and 836 published applications in this corpus.
Search patents in F16L- Granted patents
- 770
- Published applications
- 836
- Assignees
- 369
- Inventors
- 1,401
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 9 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 9 | 0 |
| 2000 | 15 | 0 |
| 2001 | 8 | 2 |
| 2002 | 12 | 17 |
| 2003 | 15 | 11 |
| 2004 | 9 | 19 |
| 2005 | 16 | 25 |
| 2006 | 9 | 20 |
| 2007 | 8 | 17 |
| 2008 | 16 | 20 |
| 2009 | 15 | 20 |
| 2010 | 18 | 26 |
| 2011 | 13 | 20 |
| 2012 | 11 | 24 |
| 2013 | 13 | 25 |
| 2014 | 20 | 25 |
| 2015 | 21 | 27 |
| 2016 | 21 | 38 |
| 2017 | 25 | 48 |
| 2018 | 36 | 40 |
| 2019 | 46 | 61 |
| 2020 | 56 | 51 |
| 2021 | 42 | 52 |
| 2022 | 38 | 55 |
| 2023 | 60 | 57 |
| 2024 | 81 | 52 |
| 2025 | 53 | 43 |
| 2026 | 29 | 41 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fitting for connecting to a tubular element, tubing connection and a method for connecting a fitting to a tubular element15 Sep 2026US 12,736,155 B2Conex IPR Limited
- Garden hose connectors15 Sep 2026US 12,736,163 B2Exel Industries
- Plumbing connector8 Sep 2026US 12,729,785 B2Reliance Worldwide Corporation (UK) Limited
- Apparatus and method for monitoring and managing the connection and operation of lines of a hydraulic system8 Sep 2026US 12,729,786 B2
- Female connector and connector assembly8 Sep 2026US 12,729,789 B2Illinois Tool Works Inc.
- Plug connector1 Oct 2026US 2026/0298380 A1Henn GmbH & Co KG.
- Hose fittings1 Oct 2026US 2026/0298381 A1Exel Industries
- Automatic locking quick release mechanisms1 Oct 2026US 2026/0298383 A1TripleEight LLC
- Plumbing connector24 Sep 2026US 2026/0287102 A1Reliance Worldwide Corporation (UK) Limited
- Pipe joint24 Sep 2026US 2026/0287106 A1Sanoh Industrial Co., Ltd.
Most cited
By later US patents
- Lightweight positive lock coupling522US 6,073,973 AStanley Aviation Corporation · 2000
- Connector apparatus and method for connecting the same for controlling fluid dispensing185US 6,649,829 B2Colder Products Company · 2003
- Quick detachable coupler164US 3,990,727 A1976
- Connector apparatus and method for connecting the same139US 6,897,374 B2Colder Products Company · 2005
- Connector apparatus and method for connecting the same for controlling fluid dispensing123US 7,647,954 B2Colder Products Company · 2010