F16L 1/16
On the bottom
Official title: on the bottom
F16L1/16 (On the bottom) appears on 553 US grants and 470 published applications in this corpus.
Search patents in F16L- Granted patents
- 553
- Published applications
- 470
- Assignees
- 219
- Inventors
- 866
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 14 | 0 |
| 1978 | 22 | 0 |
| 1979 | 7 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 7 | 0 |
| 1983 | 5 | 0 |
| 1984 | 10 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 9 | 3 |
| 2002 | 13 | 7 |
| 2003 | 6 | 11 |
| 2004 | 11 | 3 |
| 2005 | 4 | 11 |
| 2006 | 4 | 11 |
| 2007 | 7 | 11 |
| 2008 | 6 | 15 |
| 2009 | 4 | 11 |
| 2010 | 10 | 17 |
| 2011 | 14 | 27 |
| 2012 | 11 | 22 |
| 2013 | 14 | 28 |
| 2014 | 27 | 25 |
| 2015 | 28 | 36 |
| 2016 | 26 | 34 |
| 2017 | 36 | 27 |
| 2018 | 26 | 36 |
| 2019 | 37 | 19 |
| 2020 | 30 | 24 |
| 2021 | 19 | 18 |
| 2022 | 13 | 24 |
| 2023 | 18 | 14 |
| 2024 | 18 | 15 |
| 2025 | 12 | 10 |
| 2026 | 4 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16L 1/18The pipes being s- or j-shaped and under tension during laying245
- F16L 1/166Reclaiming pipes70
- F16L 1/163By varying the apparent weight of the pipe during the laying operation67
- F16L 1/161The pipe being composed of sections of short length51
- F16L 1/165By towing the pipe on or near the bottom47
- F16L 1/168Under ice7
Recent patents
- Direct tie-in of a pipeline29 Sep 2026US 12,747,808 B2Equinor Energy AS
- Pulling structures into water16 Jun 2026US 12,654,810 B2Subsea 7 Limited
- 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
- Method of preparing a pipe-section16 Dec 2025US 12,498,057 B2Technip France
- 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
- Underwater vehicle and method for installing retaining devices on an underwater pipeline20 Aug 2026US 2026/0246247 A1
- Installation of subsea risers16 Jul 2026US 2026/0201755 A1Subsea 7 Norway AS
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
- Methods and apparatus for purging liquid from an offshore pipeline and/or scanning a pipeline interior74US 3,961,493 ABrown & Root, Inc. · 1976
- Method and apparatus for installing underwater flowlines56US 4,075,862 AFMC Corporation · 1978
- Apparatus for near vertical laying of pipeline50US 5,421,675 AMcDermott International, Inc. · 1995