F16L 23/024
Characterised by how the flanges are joined to, or form an extension
Official title: characterised by how the flanges are joined to, or form an extension of, the pipes
F16L23/024 (Characterised by how the flanges are joined to, or form an extension) appears on 374 US grants and 353 published applications in this corpus.
Search patents in F16L- Granted patents
- 374
- Published applications
- 353
- Assignees
- 269
- Inventors
- 766
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 8 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 9 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 10 | 0 |
| 2001 | 5 | 1 |
| 2002 | 7 | 8 |
| 2003 | 1 | 3 |
| 2004 | 6 | 4 |
| 2005 | 1 | 6 |
| 2006 | 6 | 11 |
| 2007 | 3 | 11 |
| 2008 | 5 | 12 |
| 2009 | 8 | 12 |
| 2010 | 6 | 19 |
| 2011 | 8 | 16 |
| 2012 | 9 | 16 |
| 2013 | 10 | 13 |
| 2014 | 10 | 18 |
| 2015 | 11 | 27 |
| 2016 | 10 | 15 |
| 2017 | 16 | 15 |
| 2018 | 18 | 15 |
| 2019 | 20 | 21 |
| 2020 | 14 | 15 |
| 2021 | 17 | 16 |
| 2022 | 17 | 15 |
| 2023 | 9 | 19 |
| 2024 | 18 | 15 |
| 2025 | 25 | 21 |
| 2026 | 13 | 9 |
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.
- 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.
- Flexible tube assembly14 Jul 2026US 12,680,632 B2Tofle Co., Inc.
- Pipe assembly and kit of parts for a pipe assembly27 Aug 2026US 2026/0251242 A1Airbus Operations GmbH
- Corrosion-free welding connection for reinforced thermoplastic pipes (rtp)20 Aug 2026US 2026/0243375 A1Saudi Arabian Oil Company
- Methods and systems for connecting pipes6 Aug 2026US 2026/0227011 A1Saudi Arabian Oil Company
- Method of rotating a pipeline section23 Jul 2026US 2026/0210463 A1Victaulic Company
- Fracturing hose for high-pressure oilfield9 Jul 2026US 2026/0194167 A1Techfluid Yantai Limited
Most cited
By later US patents
- Prepared joint for a tube fitting110US 4,076,287 ACaterpillar Tractor Co. · 1978
- Street compression closet flange55US 5,297,817 A1994
- Connection block with clip46US 6,682,100 B2Parker-Hannifin Corporation · 2004
- Pipe joint and apparatus therefor41US 4,480,861 AColumbus Standard, Inc. · 1984
- Pipe adapter flange41US 5,437,482 A1995