F16L 2201/20
Safety or protective couplings
F16L2201/20 (Safety or protective couplings) appears on 228 US grants and 290 published applications in this corpus.
Search patents in F16L- Granted patents
- 228
- Published applications
- 290
- Assignees
- 185
- Inventors
- 526
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 4 |
| 2003 | 3 | 5 |
| 2004 | 5 | 5 |
| 2005 | 2 | 3 |
| 2006 | 2 | 1 |
| 2007 | 1 | 1 |
| 2008 | 2 | 8 |
| 2009 | 2 | 6 |
| 2010 | 3 | 4 |
| 2011 | 2 | 5 |
| 2012 | 2 | 4 |
| 2013 | 4 | 4 |
| 2014 | 2 | 8 |
| 2015 | 1 | 10 |
| 2016 | 8 | 14 |
| 2017 | 10 | 21 |
| 2018 | 17 | 17 |
| 2019 | 21 | 19 |
| 2020 | 19 | 22 |
| 2021 | 12 | 29 |
| 2022 | 22 | 14 |
| 2023 | 18 | 26 |
| 2024 | 24 | 21 |
| 2025 | 22 | 20 |
| 2026 | 13 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pressure relief structure for floating joint1 Sep 2026US 12,723,691 B2Fositek Corporation
- Dielectric ring gaskets and related methods and assemblies for detecting internal current transfer in a pipeline25 Aug 2026US 12,716,530 B2Focus Corrosion Inc.
- Joint assembly and faucet25 Aug 2026US 12,716,534 B2Wenzhou Furuisi Building Materials Co., Ltd.
- Coupling4 Aug 2026US 12,698,857 B2Georg Fischer Rohrleitungssysteme AG
- Insulated coupling19 May 2026US 12,631,285 B2Mann Teknik AB
- Spring force limiting liquid chromatography fitting for connecting and disconnecting capillaries13 Aug 2026US 2026/0235235 A1Agilent Technologies, Inc.
- Aseptic fluid couplings13 Aug 2026US 2026/0235239 A1Colder Products Company
- Pressure relief structure for floating joint13 Aug 2026US 2026/0235243 A1Fositek Corporation
- Insulated coupling6 Aug 2026US 2026/0227022 A1Manin Teknik AB
- Coupling nozzle for cryogenic fluid23 Jul 2026US 2026/0210470 A1Engineered Controls International, LLC
Most cited
By later US patents
- Safety connector apparatus134US 8,257,286 B2Tyco Healthcare Group LP · 2012
- Safety device for hose connections90US 4,211,439 A1980
- Polarizing keying device for electrical connectors54US 4,111,514 AInternational Telephone and Telegraph Corporation · 1978
- Safety connector assembly52US 8,287,517 B2Tyco Healtcare Group LP · 2012
- Safety device for hose connections49US 4,280,723 A1981