F16L 1/18
The pipes being s- or j-shaped and under tension during laying
Official title: the pipes being S- or J-shaped and under tension during laying
F16L1/18 (The pipes being s- or j-shaped and under tension during laying) appears on 245 US grants and 242 published applications in this corpus.
Search patents in F16L- Granted patents
- 245
- Published applications
- 242
- Assignees
- 93
- Inventors
- 388
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 7 | 2 |
| 2002 | 10 | 5 |
| 2003 | 5 | 9 |
| 2004 | 9 | 1 |
| 2005 | 3 | 6 |
| 2006 | 1 | 5 |
| 2007 | 5 | 6 |
| 2008 | 0 | 9 |
| 2009 | 2 | 7 |
| 2010 | 8 | 13 |
| 2011 | 8 | 20 |
| 2012 | 9 | 13 |
| 2013 | 10 | 17 |
| 2014 | 15 | 15 |
| 2015 | 15 | 20 |
| 2016 | 14 | 10 |
| 2017 | 17 | 13 |
| 2018 | 12 | 12 |
| 2019 | 13 | 8 |
| 2020 | 10 | 10 |
| 2021 | 10 | 7 |
| 2022 | 8 | 10 |
| 2023 | 6 | 8 |
| 2024 | 8 | 6 |
| 2025 | 4 | 6 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Monitoring of lined pipeline31 Mar 2026US 12,590,665 B2Pioneer Lining Technology Limited
- Mitigation of buckling in subsea pipe-in-pipe systems24 Feb 2026US 12,560,270 B2Subsea 7 Limited
- Generation of electrical power offshore25 Nov 2025US 12,479,536 B2Subsea 7 Norway AS
- System and method for deploying coils of spoolable pipe4 Nov 2025US 12,460,747 B2FlexSteel USA, LLC
- Mitigation of buckling in subsea pipelines26 Aug 2025US 12,398,827 B2Subsea 7 Norway AS
- Installation of subsea risers16 Jul 2026US 2026/0201755 A1Subsea 7 Norway AS
- Mitigation of Buckling in Subsea Pipe-in-Pipe Systems18 Jun 2026US 2026/0168611 A1
- Connections to subsea electrical equipment7 May 2026US 2026/0128579 A1Subsea 7 Norway AS
- Generation of Electrical Power Offshore19 Feb 2026US 2026/0048818 A1
- Systems and methods for subsea fluid handling25 Dec 2025US 2025/0389172 A1Onesubsea, LLC
Most cited
By later US patents
- Tubing interconnection system with different size snap ring grooves125US 5,845,945 A1998
- Tubing interconnection system with different size snap ring grooves120US 5,584,512 A1996
- Apparatus for near vertical laying of pipeline50US 5,421,675 AMcDermott International, Inc. · 1995
- Apparatus for near vertical laying of pipeline48US 5,464,307 AMcDermott International, Inc. · 1995
- Marine pipelay system41US 6,352,388 B1Coflexip Stena Offshore Limited · 2002