E02F 3/9268
With rotating cutting elements
Official title: {with rotating cutting elements}
E02F3/9268 (With rotating cutting elements) appears on 61 US grants and 50 published applications in this corpus.
Search patents in E02F- Granted patents
- 61
- Published applications
- 50
- Assignees
- 39
- Inventors
- 106
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 3 |
| 2004 | 1 | 0 |
| 2005 | 2 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 2 |
| 2008 | 3 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 4 |
| 2014 | 0 | 3 |
| 2015 | 3 | 1 |
| 2016 | 3 | 4 |
| 2017 | 2 | 1 |
| 2018 | 1 | 4 |
| 2019 | 3 | 4 |
| 2020 | 3 | 6 |
| 2021 | 4 | 4 |
| 2022 | 4 | 1 |
| 2023 | 3 | 1 |
| 2024 | 3 | 2 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydro excavation vacuum apparatus and fluid storage and supply systems thereof12 Aug 2025US 12,385,215 B2Vermeer Manufacturing Company
- Vacuum excavation apparatus having a deceleration vessel and methods for excavating a site15 Apr 2025US 12,276,080 B2Vermeer Manufacturing Company
- Dredge system3 Sep 2024US 12,077,934 B2Eddy Pump Corporation
- Hydro excavation vacuum apparatus3 Sep 2024US 12,077,936 B2Vermeer Manufacturing Company
- Airlocks for conveying material, hydro excavation vacuum apparatus having airlocks, and methods for hydro excavating a site20 Feb 2024US 11,905,677 B2Vermeer Manufacturing Company
- Dredge with Drive Augers and Method of Dredging1 Oct 2026US 2026/0297892 A1
- Improvements In and Relating To Underwater Excavation Apparatus27 Mar 2025US 2025/0101710 A1
- Dredging system and method for dredging19 Dec 2024US 2024/0417951 A1Granfoss AS
- Microdredging system and method of using the same22 Feb 2024US 2024/0060267 A1Coolfish Robotics LLC
- Vacuum excavation apparatus having a deceleration vessel and methods for excavating a site2 Feb 2023US 2023/0030715 A1Vermeer Manufacturing Company
Most cited
By later US patents
- Vacuum boring and mud recovery system48US 6,988,568 B22006
- Mobile vacuum boring and excavation method38US 7,644,523 B22010
- Method and apparatus for removing sediment or other flowable solid material from a bed underlying a body of water27US 4,312,762 A1982
- Underwater mining apparatus25US 6,178,670 B2Rotech Holdings Limited · 2001
- Marine clathrate mining and sediment separation20US 6,209,965 B1Sandia Corporation · 2001