F16L 2201/00
Special arrangements for pipe couplings
F16L2201/00 (Special arrangements for pipe couplings) appears on 1,851 US grants and 2,141 published applications in this corpus.
Search patents in F16L- Granted patents
- 1,851
- Published applications
- 2,141
- Assignees
- 974
- Inventors
- 3,588
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 9 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 11 | 0 |
| 1995 | 10 | 0 |
| 1996 | 11 | 0 |
| 1997 | 13 | 0 |
| 1998 | 11 | 0 |
| 1999 | 13 | 0 |
| 2000 | 22 | 0 |
| 2001 | 16 | 6 |
| 2002 | 26 | 34 |
| 2003 | 37 | 29 |
| 2004 | 26 | 44 |
| 2005 | 27 | 50 |
| 2006 | 27 | 50 |
| 2007 | 21 | 29 |
| 2008 | 22 | 55 |
| 2009 | 36 | 53 |
| 2010 | 33 | 62 |
| 2011 | 30 | 47 |
| 2012 | 32 | 65 |
| 2013 | 38 | 62 |
| 2014 | 44 | 62 |
| 2015 | 57 | 129 |
| 2016 | 60 | 121 |
| 2017 | 83 | 118 |
| 2018 | 112 | 117 |
| 2019 | 141 | 156 |
| 2020 | 140 | 141 |
| 2021 | 111 | 130 |
| 2022 | 115 | 116 |
| 2023 | 121 | 143 |
| 2024 | 167 | 130 |
| 2025 | 109 | 103 |
| 2026 | 72 | 89 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16L 2201/10Indicators for correct couplingIndexing code770
- F16L 2201/30Detecting leaksIndexing code402
- F16L 2201/40Special arrangements for pipe couplings: for special environmentsIndexing code321
- F16L 2201/20Safety or protective couplingsIndexing code228
- F16L 2201/60Identification or markingIndexing code200
- F16L 2201/80Dust coversIndexing code95
Recent patents
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- 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
- Liner hose with integrated sensor system8 Oct 2026US 2026/0309255 A1Relineeurope GmbH
- 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
Most cited
By later US patents
- Lightweight positive lock coupling522US 6,073,973 AStanley Aviation Corporation · 2000
- Fluid connectors235US 4,022,205 A1977
- 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