F16L 1/23
Pipe tensioning apparatus
F16L1/23 (Pipe tensioning apparatus) appears on 127 US grants and 110 published applications in this corpus.
Search patents in F16L- Granted patents
- 127
- Published applications
- 110
- Assignees
- 60
- Inventors
- 181
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 5 | 3 |
| 2003 | 3 | 3 |
| 2004 | 4 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 5 |
| 2007 | 3 | 4 |
| 2008 | 2 | 2 |
| 2009 | 0 | 0 |
| 2010 | 3 | 4 |
| 2011 | 3 | 11 |
| 2012 | 3 | 5 |
| 2013 | 4 | 7 |
| 2014 | 8 | 11 |
| 2015 | 4 | 8 |
| 2016 | 10 | 7 |
| 2017 | 9 | 4 |
| 2018 | 4 | 10 |
| 2019 | 11 | 6 |
| 2020 | 7 | 3 |
| 2021 | 2 | 3 |
| 2022 | 2 | 5 |
| 2023 | 3 | 4 |
| 2024 | 7 | 2 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- System and method for deploying coils of spoolable pipe4 Nov 2025US 12,460,747 B2FlexSteel USA, LLC
- Gripping device10 Dec 2024US 12,163,603 B2F.Lli Righini S.R.L.
- Tensioner pads for laying subsea pipelines and the like26 Nov 2024US 12,152,703 B2Acergy France SAS
- Apparatus, system and method for joining elongated elements in a body of water13 Aug 2024US 12,060,952 B2Saipem S.P.A.
- Method for laying and/or recovering a line in a body of water, comprising a phase of controlled immobilization, and associated system28 May 2024US 11,994,239 B2Technip N-Power
- Elongated Body Tensioner for Pulling At Least Two Elongated Bodies Along in a Direction of Movement2 Jan 2025US 2025/0003526 A1DEME Offshore NL B.V.
- Clamp for holding a flexible slender structure26 Sep 2024US 2024/0318746 A1
- System and method for deploying coils of spoolable pipe21 Mar 2024US 2024/0093806 A1Trinity Bay Equipment Holdings, LLC
- Method for retrieving a pipeline16 Nov 2023US 2023/0366486 A1
- Tensioner Pads for Laying Subsea Pipelines and the Like23 Mar 2023US 2023/0089739 A1Acergy France SAS
Most cited
By later US patents
- Semi-submersible pipelaying craft equipped for laying pipes on sea beds, including deep beds, and the method of operation48US 4,257,718 ASaipem S.P.A. · 1981
- Pipelay stinger44US 5,533,834 AStena Offshore Limited · 1996
- Marine pipelay system41US 6,352,388 B1Coflexip Stena Offshore Limited · 2002
- Device and method for installing pipes at very great depths37US 6,361,250 B1Coflexip · 2002
- Multi-reel operational lines laying vessel33US 4,789,108 ASanta Fe International Corporation · 1988