E02F 1/00
General working methods with dredgers or soil-shifting machines
Official title: General working methods with dredgers or soil-shifting machines (methods for making embankments E02D17/18; methods for mining E21C)
E02F1/00 (General working methods with dredgers or soil-shifting machines) appears on 58 US grants and 52 published applications in this corpus.
Search patents in E02F- Granted patents
- 58
- Published applications
- 52
- Assignees
- 31
- Inventors
- 146
- Latest grant
- 15 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 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 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 5 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 2 | 6 |
| 2009 | 1 | 5 |
| 2010 | 1 | 1 |
| 2011 | 2 | 1 |
| 2012 | 1 | 0 |
| 2013 | 2 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 3 |
| 2016 | 1 | 5 |
| 2017 | 3 | 4 |
| 2018 | 7 | 4 |
| 2019 | 2 | 2 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 3 | 2 |
| 2024 | 1 | 1 |
| 2025 | 0 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and systems for reducing turbidity of hydraulic fracturing sands15 Oct 2024US 12,115,535 B1Propflow, LLC
- System and method for determining the mass of a payload moved by a working device6 Jun 2023US 11,668,077 B2Liebherr-France SAS
- Management system for work vehicle and management method for work vehicle16 May 2023US 11,650,589 B2Komatsu Ltd.
- Ground level primary electric distribution system4 Apr 2023US 11,621,549 B2
- Ecological remediation method for controlling sulphur pollution inBlack and odorous sludge of rivers23 Aug 2022US 11,420,889 B2Nanjing Institute of Geography
- Management system of unmanned dump truck and management method of unmanned dump truck11 Jun 2026US 2026/0161181 A1Komatsu Ltd.
- Methods and Systems for Reducing Turbidity of Hydraulic Fracturing Sands28 Aug 2025US 2025/0269386 A1Propflow, LLC
- Bucket cleaning system22 May 2025US 2025/0162005 A1
- Apparatus, methods, and systems for preserving and transferring land from a first location to a second location10 Oct 2024US 2024/0337087 A1Thornton Equipment Services, Inc.
- Ground Level Primary Electric Distribution System28 Sep 2023US 2023/0307899 A1
Most cited
By later US patents
- Process for the excavation of buried waste110US 7,114,880 B22006
- Method of transforming sludge into ecologically acceptable solid material63US 4,079,003 A1978
- Method and apparatus for treating sumps30US 4,028,240 A1977
- Wedge and spool assembly30US 5,868,518 AANI. Co. Ltd · 1999
- Method of excavating26US 6,823,616 B1Boskalis Westminister Inc. · 2004