E02F 5/104
For burying conduits or cables in trenches under water
Official title: {for burying conduits or cables in trenches under water (floating substructures per se E02F9/06)}
E02F5/104 (For burying conduits or cables in trenches under water) appears on 198 US grants and 95 published applications in this corpus.
Search patents in E02F- Granted patents
- 198
- Published applications
- 95
- Assignees
- 107
- Inventors
- 327
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 7 | 0 |
| 1978 | 8 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 9 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 9 | 0 |
| 1986 | 6 | 0 |
| 1987 | 10 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 2 |
| 2003 | 0 | 3 |
| 2004 | 4 | 1 |
| 2005 | 2 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 3 |
| 2008 | 0 | 0 |
| 2009 | 3 | 1 |
| 2010 | 0 | 6 |
| 2011 | 3 | 2 |
| 2012 | 2 | 5 |
| 2013 | 2 | 1 |
| 2014 | 4 | 6 |
| 2015 | 3 | 5 |
| 2016 | 7 | 8 |
| 2017 | 8 | 7 |
| 2018 | 5 | 5 |
| 2019 | 7 | 5 |
| 2020 | 4 | 6 |
| 2021 | 5 | 6 |
| 2022 | 3 | 8 |
| 2023 | 4 | 5 |
| 2024 | 6 | 5 |
| 2025 | 2 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System for determination of line and level for trenchless construction3 Feb 2026US 12,540,454 B2PLG Technologies, Inc.
- Device, method and assembly for providing an elongate element in a seabed20 Jan 2026US 12,529,205 B2Royal IHC Limited
- Underwater laying device for offshore oil and gas pipelines and laying method thereof2 Dec 2025US 12,486,640 B2Jiangsu University of Science and Technology
- Top loading cable plough6 May 2025US 12,291,842 B2Nexans
- Subsea plough for burying a flexible elongate member10 Dec 2024US 12,163,311 B2Osbit Limited
- Operation system and operation method for underwater jet trenching and cable laying16 Apr 2026US 2026/0103869 A1Crrc Smd (Shanghai), Ltd.
- Apparatus for inserting an elongate object into a trench20 Nov 2025US 2025/0354348 A1Soil Machine Dynamics Limited
- Underwater laying device for offshore oil and gas pipelines and laying method thereof18 Sep 2025US 2025/0290276 A1Jiangsu University of Science and Technology
- Underwater plough and method of operating an underwater plough19 Jun 2025US 2025/0198119 A1Royal IHC Limited
- Subsea Blower Device5 Dec 2024US 2024/0401305 A1Jarala AS
Most cited
By later US patents
- Device for laying underground or digging up subsea conduits37US 4,479,741 ASNAMPROGETTI S.p. A. · 1984
- Rotary rock and trench cutting saw34US 4,662,684 AH. B. Zachery Corporation · 1987
- Marine pipeline installation system32US 4,091,629 A1978
- Marine continuous pipe laying system31US 4,410,297 A1983
- Method and apparatus for cutting a trench through rock-like material30US 4,542,940 AH. B. Zachry Company · 1985