E02F 3/945
For environmental purposes
Official title: {for environmental purposes}
E02F3/945 (For environmental purposes) appears on 6 US grants and 6 published applications in this corpus.
Search patents in E02F- Granted patents
- 6
- Published applications
- 6
- Assignees
- 8
- Inventors
- 24
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 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 | 0 | 0 |
| 2003 | 0 | 0 |
| 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 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods for suppression of seabed mining plumes21 Apr 2026US 12,606,982 B2Deep Reach Technology, Inc.
- Ground excavation shield apparatus with guide rails2 Apr 2024US 11,946,221 B2One Pass Innovators, LLC
- Spalling composite particles and methods of using them3 Aug 2021US 11,077,422 B2AquaBlok, Ltd.
- Silt filtering device30 Mar 2021US 10,961,687 B2
- Panflute overflow system14 Apr 2020US 10,619,328 B2IHC Holland IE B.V.
- Methods for Suppression of Seabed Mining Plumes4 Apr 2024US 2024/0110361 A1Deep Reach Technology, Inc.
- Ground excavation shield apparatus with guide rails24 Mar 2022US 2022/0090354 A1DeWind One-Pass Trenching, LLC
- Pile leg walking type mining robot14 Jan 2021US 2021/0009248 A1Ocean University of China
- Spalling composite particles and methods of using them11 Jun 2020US 2020/0179904 A1AquaBlok, Ltd.
- Water conservating silt discharging device8 Aug 2019US 2019/0242091 A1
Most cited
By later US patents