F16L 19/0225
Without sealing rings
Official title: {without sealing rings}
F16L19/0225 (Without sealing rings) appears on 71 US grants and 60 published applications in this corpus.
Search patents in F16L- Granted patents
- 71
- Published applications
- 60
- Assignees
- 63
- Inventors
- 195
- Latest grant
- 6 Oct 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 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 3 |
| 2007 | 0 | 3 |
| 2008 | 0 | 3 |
| 2009 | 4 | 0 |
| 2010 | 1 | 4 |
| 2011 | 1 | 6 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 5 |
| 2015 | 3 | 4 |
| 2016 | 1 | 0 |
| 2017 | 6 | 4 |
| 2018 | 0 | 1 |
| 2019 | 3 | 3 |
| 2020 | 5 | 3 |
| 2021 | 3 | 3 |
| 2022 | 3 | 1 |
| 2023 | 2 | 1 |
| 2024 | 2 | 3 |
| 2025 | 0 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Metallic fluid tube6 Oct 2026US 12,753,865 B2HDT Veritas Hessen GmbH
- Threaded coupling assemblies for interconnecting fluid-carrying conduits24 Dec 2024US 12,173,817 B2Parker-Hannifin Corporation
- Fitting apparatus29 Oct 2024US 12,129,942 B2
- Compression nut or fitting with removable plunger for easily dislodging stuck ferrules26 Sep 2023US 11,767,938 B2Thermo Finnigan LLC
- Metal to metal vee seal7 Mar 2023US 11,598,418 B2Patriot Research Center, LLC
- Improved tubular assembly intended for being connected to a second tube27 Aug 2026US 2026/0251243 A1
- Coupling with setpoint tightening torque23 Jul 2026US 2026/0210460 A1
- Electrochemical corrosion-resistant connector for a liquid chromatography system27 Nov 2025US 2025/0362279 A1Thermo Finnigan LLC
- Fitting and Method of Making the Same2 Oct 2025US 2025/0305603 A1Indimet Inc.
- Metallic fluid tube27 Feb 2025US 2025/0067372 A1Veritas AG
Most cited
By later US patents
- Luer connector77US 5,984,373 AElcam Plastic Kibbutz Bar-Am · 1999
- Tube coupling assembly70US 5,350,200 AGeneral Electric Company · 1994
- Luer-lock connector for medical devices69US 7,472,932 B2Smiths Medical Deutschland GmbH · 2009
- Faucet connector assembly56US 5,024,419 AEuroflex S.r.l. · 1991
- Fluid transport coupling56US 5,645,301 AFuron Company · 1997