F16L 1/12
Laying or reclaiming pipes on or under water
F16L1/12 (Laying or reclaiming pipes on or under water) appears on 1,380 US grants and 1,164 published applications in this corpus.
Search patents in F16L- Granted patents
- 1,380
- Published applications
- 1,164
- Assignees
- 574
- Inventors
- 2,150
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 28 | 0 |
| 1977 | 28 | 0 |
| 1978 | 37 | 0 |
| 1979 | 20 | 0 |
| 1980 | 15 | 0 |
| 1981 | 24 | 0 |
| 1982 | 20 | 0 |
| 1983 | 10 | 0 |
| 1984 | 19 | 0 |
| 1985 | 12 | 0 |
| 1986 | 13 | 0 |
| 1987 | 21 | 0 |
| 1988 | 15 | 0 |
| 1989 | 14 | 0 |
| 1990 | 12 | 0 |
| 1991 | 9 | 0 |
| 1992 | 5 | 0 |
| 1993 | 12 | 0 |
| 1994 | 9 | 0 |
| 1995 | 12 | 0 |
| 1996 | 9 | 0 |
| 1997 | 9 | 0 |
| 1998 | 15 | 0 |
| 1999 | 15 | 0 |
| 2000 | 16 | 0 |
| 2001 | 20 | 6 |
| 2002 | 26 | 15 |
| 2003 | 19 | 20 |
| 2004 | 22 | 11 |
| 2005 | 7 | 24 |
| 2006 | 16 | 27 |
| 2007 | 11 | 34 |
| 2008 | 19 | 41 |
| 2009 | 16 | 40 |
| 2010 | 31 | 48 |
| 2011 | 30 | 59 |
| 2012 | 29 | 47 |
| 2013 | 41 | 66 |
| 2014 | 55 | 71 |
| 2015 | 75 | 77 |
| 2016 | 57 | 84 |
| 2017 | 73 | 59 |
| 2018 | 53 | 75 |
| 2019 | 89 | 64 |
| 2020 | 67 | 55 |
| 2021 | 43 | 46 |
| 2022 | 48 | 44 |
| 2023 | 35 | 47 |
| 2024 | 39 | 39 |
| 2025 | 33 | 36 |
| 2026 | 27 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Direct tie-in of a pipeline29 Sep 2026US 12,747,808 B2Equinor Energy AS
- Hose weight22 Sep 2026US 12,742,511 B2Luloh LLC
- Floating underwater pipelines8 Sep 2026US 12,729,782 B2
- Subsea flowline blockage remediation using external heating device25 Aug 2026US 12,716,539 B2Oceaneering International, Inc.
- Hydraulic actuation system for diverless bell mouth18 Aug 2026US 12,710,113 B2Petroleo Brasileiro S.A. - Petrobras
- Vortex-induced vibration strake arrangements8 Oct 2026US 2026/0309253 A1Advanced Innergy Ltd.
- Marine Tubular Stabilizer And Protector1 Oct 2026US 2026/0298371 A1Advanced Innergy Ltd.
- Subsea conduit deployment device and process for using same10 Sep 2026US 2026/0266398 A1Koil Energy Solutions, Inc.
- Pipe retrieval10 Sep 2026US 2026/0266399 A1Baker Hughes Energy Technology UK Limited
- Improving fatigue resistance of steel catenary risers3 Sep 2026US 2026/0258884 A1Subsea 7 do Brasil Servicos Ltda
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
- Riser pipe fairing84US 4,474,129 AW. R. Grace & Co. · 1984
- Fairing for elongated elements75US 4,398,487 AExxon Production Research Company · 1983
- Methods and apparatus for purging liquid from an offshore pipeline and/or scanning a pipeline interior74US 3,961,493 ABrown & Root, Inc. · 1976