F16L 1/206
Apparatus for forming or coating the pipes
Official title: {Apparatus for forming or coating the pipes}
F16L1/206 (Apparatus for forming or coating the pipes) appears on 29 US grants and 26 published applications in this corpus.
Search patents in F16L- Granted patents
- 29
- Published applications
- 26
- Assignees
- 21
- Inventors
- 64
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 2 | 2 |
| 2016 | 0 | 2 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 5 | 2 |
| 2020 | 2 | 3 |
| 2021 | 0 | 2 |
| 2022 | 2 | 2 |
| 2023 | 1 | 1 |
| 2024 | 3 | 3 |
| 2025 | 4 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Groove geometry for injection molded polypropylene coated field joints4 Nov 2025US 12,459,219 B22543500 Alberta Ltd.
- Mitigation of buckling in subsea pipelines26 Aug 2025US 12,398,827 B2Subsea 7 Norway AS
- Tower for joining elements of underwater pipe for transporting fluids22 Apr 2025US 12,280,455 B2Saipem S.P.A.
- Method for joining elements of underwater pipe for transporting fluids22 Apr 2025US 12,280,456 B2Saipem S.P.A.
- Device and method for joining elements of underwater pipe for transporting fluids31 Dec 2024US 12,179,294 B2Saipem S.P.A.
- Improving fatigue resistance of steel catenary risers27 Nov 2025US 2025/0361776 A1Subsea 7 do Brasil Servicos Ltda
- Device and method for joining elements of underwater pipe for transporting fluids21 Mar 2024US 2024/0091889 A1Saipem S.P.A.
- Device and method for joining elements of underwater pipe for transporting fluids21 Mar 2024US 2024/0091890 A1Saipem S.P.A.
- Pipeline junction coating25 Jan 2024US 2024/0026993 A1Technip N-Power
- Mitigation Of Buckling In Subsea Pipelines9 Nov 2023US 2023/0358336 A1Subsea 7 Norway AS
Most cited
By later US patents
- Method for fabricating helical flowline bundles34US 4,979,296 AShell Oil Company · 1990
- Reel pipe coating and laying vessel and process27US 4,721,410 ASanta Fe International Corporation · 1988
- Plastic tubular connecting sleeve for a pipe with internal liner11US 8,942,552 B2Saipem S.P.A. · 2015
- Apparatus for making helical flowline bundles9US 4,843,713 AShell Oil Company · 1989
- Method and means for providing a thermic insulating effect around an article, such as a pipeline which is submerged in water9US 4,913,588 A1990