F16L 1/203
The pipes being wound spirally prior to laying
Official title: {the pipes being wound spirally prior to laying}
F16L1/203 (The pipes being wound spirally prior to laying) appears on 151 US grants and 130 published applications in this corpus.
Search patents in F16L- Granted patents
- 151
- Published applications
- 130
- Assignees
- 78
- Inventors
- 243
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 7 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 5 |
| 2004 | 6 | 1 |
| 2005 | 1 | 3 |
| 2006 | 1 | 2 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 2 | 4 |
| 2010 | 2 | 6 |
| 2011 | 3 | 10 |
| 2012 | 4 | 7 |
| 2013 | 3 | 11 |
| 2014 | 8 | 8 |
| 2015 | 7 | 11 |
| 2016 | 6 | 7 |
| 2017 | 10 | 8 |
| 2018 | 7 | 6 |
| 2019 | 10 | 7 |
| 2020 | 7 | 7 |
| 2021 | 6 | 5 |
| 2022 | 5 | 9 |
| 2023 | 7 | 5 |
| 2024 | 3 | 2 |
| 2025 | 2 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Spooling and installing trace-heated pipelines of pipe-in-pipe configuration10 Mar 2026US 12,571,489 B2Subsea 7 Limited
- 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
- Subsea pipeline with multiple access nodes31 Dec 2024US 12,181,078 B2FMC Technologies, Inc.
- Method for manufacture, assembly and continuous construction of pipe sections in a spoolbase with gradual movement15 Oct 2024US 12,117,102 B2
- Improving fatigue resistance of steel catenary risers3 Sep 2026US 2026/0258884 A1Subsea 7 do Brasil Servicos Ltda
- A method of laying a subsea pipe18 Sep 2025US 2025/0290576 A1TechnipFMC Subsea France
- Submarine Reel Drive System And Method For Reeling In And Launching Flexible Pipes And Umbilicals6 Mar 2025US 2025/0075826 A1
- System and method for deploying coils of spoolable pipe21 Mar 2024US 2024/0093806 A1Trinity Bay Equipment Holdings, LLC
- Method for manufacture, assembly and continuous construction of pipe sections in a spoolbase with gradual movement14 Mar 2024US 2024/0084923 A1
Most cited
By later US patents
- Submarine pipeline laying vessel49US 3,982,402 ASanta Fe International Corporation · 1976
- Pipelay stinger44US 5,533,834 AStena Offshore Limited · 1996
- Portable reel pipelaying method39US 4,260,287 ASanta Fe International Corporation · 1981
- Method for fabricating helical flowline bundles34US 4,979,296 AShell Oil Company · 1990
- Multi-reel operational lines laying vessel33US 4,789,108 ASanta Fe International Corporation · 1988