F16L 19/103
With more than one ring per pipe end being used
Official title: {with more than one ring per pipe end being used}
F16L19/103 (With more than one ring per pipe end being used) appears on 110 US grants and 139 published applications in this corpus.
Search patents in F16L- Granted patents
- 110
- Published applications
- 139
- Assignees
- 27
- Inventors
- 172
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 3 |
| 2002 | 2 | 1 |
| 2003 | 3 | 5 |
| 2004 | 2 | 4 |
| 2005 | 2 | 2 |
| 2006 | 1 | 6 |
| 2007 | 2 | 2 |
| 2008 | 2 | 6 |
| 2009 | 2 | 5 |
| 2010 | 4 | 14 |
| 2011 | 4 | 10 |
| 2012 | 3 | 6 |
| 2013 | 6 | 6 |
| 2014 | 3 | 4 |
| 2015 | 6 | 13 |
| 2016 | 6 | 8 |
| 2017 | 7 | 10 |
| 2018 | 4 | 9 |
| 2019 | 12 | 5 |
| 2020 | 8 | 5 |
| 2021 | 6 | 4 |
| 2022 | 2 | 3 |
| 2023 | 3 | 3 |
| 2024 | 2 | 3 |
| 2025 | 3 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Coupling device and combination and assembly thereof with a tube12 May 2026US 12,623,183 B2Technische Universiteit Eindhoven
- Port connecting assemblies and arrangements22 Jul 2025US 12,366,298 B2Swagelok Company
- Pipe fitting apparatus providing easy locking with appropriate torque3 Jun 2025US 12,320,450 B2
- Fitting assembly evaluating apparatus and methods27 May 2025US RE50,444 E1Swagelok Company
- Compression pipe fitting with wide range grip rings3 Sep 2024US 12,078,267 B2A. Y. McDonald Mfg. Co.
- Twin ferrule tube fitting13 Aug 2026US 2026/0235237 A1Crane Instrumentation & Sampling PFT Corp.
- Port connecting assemblies and arrangements23 Oct 2025US 2025/0327527 A1
- Compression pipe fitting with wide range grip rings28 Nov 2024US 2024/0392902 A1A. Y. McDonald Mfg. Co.
- Pipe fitting apparatus providing easy locking with appropriate torque27 Jun 2024US 2024/0209967 A1
- Conduit fitting with components adapted for facilitating assembly6 Jun 2024US 2024/0183470 A9Swagelok Company
Most cited
By later US patents
- Ferrule with relief to reduce galling1,299US 7,100,949 B2Swagelok Company · 2006
- Ferrule with relief to reduce galling64US 6,629,708 B2Swagelok Company · 2003
- Tube fitting57US 4,076,286 ACrawford Fitting Company · 1978
- Conduit connection with sensing function51US 8,439,404 B2Swagelok Company · 2013
- Plastic inlet appliance water valve50US 5,810,331 AEmerson Electric Co. · 1998