E02F 9/026
For moving on the underwater bottom
Official title: {for moving on the underwater bottom (marine propulsion by direct engagement with water-bed or ground B63H19/08)}
E02F9/026 (For moving on the underwater bottom) appears on 26 US grants and 7 published applications in this corpus.
Search patents in E02F- Granted patents
- 26
- Published applications
- 7
- Assignees
- 14
- Inventors
- 47
- Latest grant
- 14 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 7 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 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 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Determining idler wear based on position of idler assembly14 Jan 2025US 12,196,549 B2Caterpillar Inc.
- Trench apparatus with leveling means17 Apr 2018US 9,945,097 B2IHC Engineering Business Limited
- Steerable underwater trenching apparatus1 Mar 2016US 9,273,446 B2IHC Engineering Business Limited
- Head and tail sprocket assemblies for a marsh excavator2 Dec 2003US 6,655,757 B2
- Marsh excavator19 Nov 2002US 6,482,053 B1
- Dredge system30 Oct 2025US 2025/0333928 A1Eddy Pump Corporation
- Determining idler wear based on position of idler assembly27 Jun 2024US 2024/0210155 A1Caterpillar Inc.
- Dragline with robotic bucket for dredging and excavating1 Dec 2022US 2022/0381001 A1
- Trench Apparatus with Leveling Means17 Nov 2016US 2016/0333549 A1IHC Engineering Business Limited
- Trenching device20 Aug 2015US 2015/0233088 A1Heerema Marine Contractors Nederland B.V.
Most cited
By later US patents
- Seabed mining utilizing circulating current based on water level differences27US 4,053,181 A1977
- Method and apparatus for removing sediment or other flowable solid material from a bed underlying a body of water27US 4,312,762 A1982
- Self-propelled underwater trenching apparatus and method23US 4,274,760 A1981
- Modular draging unit for collecting solid bodies on an underwater bed22US 4,280,288 ACommissariat A L' Energie Atomique · 1981
- Submarine pipe trenching apparatus19US 4,022,028 A1977