E02F 5/02
Dredgers or soil-shifting machines for special purposes: for digging trenches or ditches
Official title: for digging trenches or ditches ({machines for making foundation slots E02F3/205, E02F3/475 take precedence}; agricultural ploughs for working ridges A01B13/02)
E02F5/02 (Dredgers or soil-shifting machines for special purposes: for digging trenches or ditches) appears on 1,035 US grants and 699 published applications in this corpus.
Search patents in E02F- Granted patents
- 1,035
- Published applications
- 699
- Assignees
- 426
- Inventors
- 1,526
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 32 | 0 |
| 1977 | 25 | 0 |
| 1978 | 28 | 0 |
| 1979 | 16 | 0 |
| 1980 | 12 | 0 |
| 1981 | 16 | 0 |
| 1982 | 17 | 0 |
| 1983 | 13 | 0 |
| 1984 | 16 | 0 |
| 1985 | 13 | 0 |
| 1986 | 14 | 0 |
| 1987 | 23 | 0 |
| 1988 | 15 | 0 |
| 1989 | 23 | 0 |
| 1990 | 21 | 0 |
| 1991 | 14 | 0 |
| 1992 | 9 | 0 |
| 1993 | 16 | 0 |
| 1994 | 7 | 0 |
| 1995 | 12 | 0 |
| 1996 | 8 | 0 |
| 1997 | 14 | 0 |
| 1998 | 20 | 0 |
| 1999 | 21 | 0 |
| 2000 | 26 | 0 |
| 2001 | 24 | 1 |
| 2002 | 26 | 20 |
| 2003 | 16 | 13 |
| 2004 | 15 | 18 |
| 2005 | 16 | 13 |
| 2006 | 15 | 20 |
| 2007 | 10 | 16 |
| 2008 | 5 | 12 |
| 2009 | 18 | 25 |
| 2010 | 15 | 25 |
| 2011 | 14 | 18 |
| 2012 | 11 | 24 |
| 2013 | 25 | 23 |
| 2014 | 19 | 36 |
| 2015 | 26 | 31 |
| 2016 | 23 | 39 |
| 2017 | 35 | 44 |
| 2018 | 28 | 43 |
| 2019 | 47 | 50 |
| 2020 | 48 | 36 |
| 2021 | 30 | 49 |
| 2022 | 33 | 46 |
| 2023 | 28 | 37 |
| 2024 | 39 | 27 |
| 2025 | 25 | 19 |
| 2026 | 13 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E02F 5/10With arrangements for reinforcing trenches or ditches574
- E02F 5/14Component parts for trench excavators289
- E02F 5/08With digging wheels turning round an axis192
- E02F 5/12With equipment for back-filling trenches or ditches162
- E02F 5/06With digging elements mounted on an endless chain140
- E02F 5/027With coulters, ploughs, scraper plates, or the like60
- E02F 5/025With scraper-buckets, dippers or shovels53
- E02F 5/04With digging screws25
All 9 subgroupsShow fewer
Recent patents
- Trench wall cutting device and method for cutting a cutting trench in the ground15 Sep 2026US 12,735,862 B2BAUER Maschinen GmbH
- Extended scooped trenching blade1 Sep 2026US 12,723,367 B2Evolution Drilling Tools, Inc.
- Multi-tool cutting assembly16 Jun 2026US 12,655,605 B2Kennametal Inc.
- Conduit guide for conduit laying machine9 Jun 2026US 12,650,182 B2Roberts Welding & Fabricating Ltd.
- Bi-directional sled26 May 2026US 12,637,830 B2Eddy Pump Corporation
- Microtrencher saw teeth for cutting cobble13 Aug 2026US 2026/0234912 A1McCown Technology Corporation
- Trenching23 Jul 2026US 2026/0210090 A1
- Dual blade microtrench attachment16 Jul 2026US 2026/0201672 A1The Charles Machine Works, Inc.
- Trench digger and method therefor9 Jul 2026US 2026/0193860 A1
- Trench filling methods, machines, and systems for filling trenches9 Jul 2026US 2026/0193862 A1
Most cited
By later US patents
- Excavator data acquisition and control system and process123US 5,704,142 AVermeer Manufacturing Company · 1998
- Laying and protecting cable into existing covering surfaces112US 8,480,332 B2CertusView Technologies, LLC · 2013
- Excavator data acquisition and control system and method of use109US 5,553,407 AVermeer Manufacturing Company · 1996
- Excavator data acquisition and control system and process103US 5,659,985 AVermeer Manufacturing Company · 1997
- Method and apparatus for in situ installation of underground containment barriers under contaminated lands91US 5,542,782 AHalliburton NUS Environmental Corp. · 1996