E02F 5/006
Dredgers or soil-shifting machines for special purposes: adapted for working ground under
Official title: {adapted for working ground under water not otherwise provided for (E02F3/081, E02F3/4131, E02F3/8833, E02F5/104, E02F5/125, E02F7/005, E02F7/023, E02F7/065, E02F9/026, E02F9/045, E02F9/06 take precedence)}
E02F5/006 (Dredgers or soil-shifting machines for special purposes: adapted for working ground under) appears on 104 US grants and 101 published applications in this corpus.
Search patents in E02F- Granted patents
- 104
- Published applications
- 101
- Assignees
- 73
- Inventors
- 256
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 3 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 3 |
| 2009 | 3 | 3 |
| 2010 | 2 | 2 |
| 2011 | 0 | 2 |
| 2012 | 0 | 5 |
| 2013 | 0 | 3 |
| 2014 | 6 | 8 |
| 2015 | 4 | 4 |
| 2016 | 5 | 8 |
| 2017 | 9 | 10 |
| 2018 | 4 | 6 |
| 2019 | 9 | 6 |
| 2020 | 3 | 8 |
| 2021 | 6 | 6 |
| 2022 | 0 | 5 |
| 2023 | 7 | 5 |
| 2024 | 1 | 2 |
| 2025 | 1 | 5 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Deep-sea mining vehicle25 Aug 2026US 12,716,355 B2Deeptech NV
- Surface layer improvement system and methods for on-site remediation of contaminated sediments30 Jun 2026US 12,667,873 B2Iucf-Hyu (Industry-University Cooperation Foundation Hanyang University)
- Submersible underwater dredge with integrated metal detector12 May 2026US 12,624,521 B2
- Apparatus for removing material from a floor of a body of water10 Mar 2026US 12,571,181 B2Soil Machine Dynamics Limited
- Intelligent dredging system for high-piled wharf and control method thereof17 Jun 2025US 12,331,480 B2Tianjin Research Institute for Water Transport Engineering, Ministry of Transport
- Trench cutter17 Sep 2026US 2026/0275680 A1Royal IHC Limited
- Underwater planting machine, underwater planting system, and underwater planting method27 Aug 2026US 2026/0248064 A1Komatsu Ltd.
- Apparatus for removing nodular material from the seabed and for separating said material30 Jul 2026US 2026/0218486 A1Soil Machine Dynamics Limited
- System and method for underwater payload estimation in dragline bucket30 Apr 2026US 2026/0117486 A1Caterpillar Global Mining LLC
- Method of underwater trenching or dredging25 Dec 2025US 2025/0389102 A1
Most cited
By later US patents
- Enhancing liquid jet erosion147US 4,474,251 AHydronautics, Incorporated · 1984
- Enhancing liquid jet erosion86US 4,681,264 AHydronautics, Incorporated · 1987
- Submarine drilling device81US 4,742,876 ASoletanche · 1988
- Amphibious robot devices and related methods34US 6,974,356 B2Nekton Research LLC · 2005
- Underwater sediment evacuation system23US 7,621,059 B2Oceaneering International, Inc. · 2009