E02F 5/105
Self-propulsed units moving on the underwater bottom
Official title: {self-propulsed units moving on the underwater bottom}
E02F5/105 (Self-propulsed units moving on the underwater bottom) appears on 60 US grants and 25 published applications in this corpus.
Search patents in E02F- Granted patents
- 60
- Published applications
- 25
- Assignees
- 39
- Inventors
- 121
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 3 |
| 2013 | 1 | 1 |
| 2014 | 2 | 1 |
| 2015 | 2 | 3 |
| 2016 | 2 | 1 |
| 2017 | 1 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 1 |
| 2021 | 3 | 4 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Underwater laying device for offshore oil and gas pipelines and laying method thereof2 Dec 2025US 12,486,640 B2Jiangsu University of Science and Technology
- Apparatus for locating elongate object in a trench in a floor of a body of water28 Mar 2023US 11,613,870 B2Soil Machine Dynamics Limited
- Lateral and continuous measurement method for soil parameters in soft soil field17 May 2022US 11,332,904 B2Dalian University of Technology
- Subsea trencher and method for subsea trenching14 Sep 2021US 11,118,325 B2Bluemarine Offshore Yard Service B.V.
- Assembly and method for installing a subsea cable23 Mar 2021US 10,954,652 B2Fundacion Tecnalia Research & Innovation
- 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
- Lateral and continuous measurement method for soil parameters in soft soil field10 Jun 2021US 2021/0172140 A1Dalian University of Technology
- Apparatus for Locating Elongate Object in a Trench in a Floor of a Body of Water10 Jun 2021US 2021/0172151 A1Soil Machine Dynamics Limited
Most cited
By later US patents
- Device for laying underground or digging up subsea conduits37US 4,479,741 ASNAMPROGETTI S.p. A. · 1984
- Buoyant self-propelled underwater trenching apparatus27US 4,087,981 ANorman Offshore Services Inc. · 1978
- Underwater trenching system27US 4,586,850 A1986
- Method and device for continuously laying and burying a flexible submarine conduit25US 5,722,793 ACoflexip · 1998
- Self-propelled underwater trenching apparatus and method23US 4,274,760 A1981