F16L 23/02
The flanges being connected by members tensioned axially
Official title: the flanges being connected by members tensioned axially (F16L23/12 takes precedence)
F16L23/02 (The flanges being connected by members tensioned axially) appears on 860 US grants and 826 published applications in this corpus.
Search patents in F16L- Granted patents
- 860
- Published applications
- 826
- Assignees
- 595
- Inventors
- 1,847
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 6 | 0 |
| 1978 | 8 | 0 |
| 1979 | 4 | 0 |
| 1980 | 9 | 0 |
| 1981 | 6 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 11 | 0 |
| 1985 | 7 | 0 |
| 1986 | 10 | 0 |
| 1987 | 14 | 0 |
| 1988 | 8 | 0 |
| 1989 | 12 | 0 |
| 1990 | 9 | 0 |
| 1991 | 12 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 9 | 0 |
| 1995 | 11 | 0 |
| 1996 | 8 | 0 |
| 1997 | 12 | 0 |
| 1998 | 11 | 0 |
| 1999 | 12 | 0 |
| 2000 | 12 | 0 |
| 2001 | 17 | 7 |
| 2002 | 17 | 12 |
| 2003 | 9 | 10 |
| 2004 | 13 | 12 |
| 2005 | 8 | 20 |
| 2006 | 7 | 19 |
| 2007 | 8 | 21 |
| 2008 | 13 | 23 |
| 2009 | 13 | 18 |
| 2010 | 14 | 27 |
| 2011 | 15 | 29 |
| 2012 | 19 | 26 |
| 2013 | 14 | 23 |
| 2014 | 15 | 33 |
| 2015 | 20 | 59 |
| 2016 | 25 | 33 |
| 2017 | 37 | 47 |
| 2018 | 37 | 50 |
| 2019 | 43 | 52 |
| 2020 | 45 | 42 |
| 2021 | 39 | 51 |
| 2022 | 50 | 52 |
| 2023 | 45 | 40 |
| 2024 | 46 | 43 |
| 2025 | 51 | 50 |
| 2026 | 26 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Joint structure6 Oct 2026US 12,753,872 B2Fujikin Incorporated
- Sealing member for repairing a pipeline and method of use15 Sep 2026US 12,736,157 B2Oceaneering International, Inc.
- Method and apparatus for temporary sealing of flange leaks on industrial pipelines25 Aug 2026US 12,716,541 B2Saudi Arabian Oil Company
- Corrosion-free welding connection for reinforced thermoplastic pipes (RTP)18 Aug 2026US 12,710,118 B1Saudi Arabian Oil Company
- Pipe connection device21 Jul 2026US 12,687,247 B2HS R & A Co., Ltd.
- Pipe assembly and kit of parts for a pipe assembly27 Aug 2026US 2026/0251242 A1Airbus Operations GmbH
- Fluidic connection device for a fluid circuit27 Aug 2026US 2026/0251246 A1Hutchinson
- Clamped Quick Connect Misalignment-Compensating Union for Fluid Transfer27 Aug 2026US 2026/0251250 A1Dixon Valve and Coupling Company
- Compact maintenance assembly for a process measuring system27 Aug 2026US 2026/0251487 A1
- Corrosion-free welding connection for reinforced thermoplastic pipes (rtp)20 Aug 2026US 2026/0243375 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Frac manifold missile and fitting148US 10,982,523 B1KHOLLE Magnolia 2015, LLC · 2021
- Flowline junction fittings for frac systems127US 10,662,749 B1KHOLLE Magnolia 2015, LLC · 2020
- Quick-connect coupling for thin-walled pipes112US 4,471,979 AVictaulic Company of Canada Limited · 1984
- Prepared joint for a tube fitting110US 4,076,287 ACaterpillar Tractor Co. · 1978
- Pump housing coupling103US 8,182,212 B2Hayward Industries, Inc. · 2012