E02F 3/42
Drives for dippers, buckets, dipper-arms or bucket-arms
E02F3/42 (Drives for dippers, buckets, dipper-arms or bucket-arms) appears on 2,146 US grants and 2,420 published applications in this corpus.
Search patents in E02F- Granted patents
- 2,146
- Published applications
- 2,420
- Assignees
- 369
- Inventors
- 3,171
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 18 | 0 |
| 1978 | 13 | 0 |
| 1979 | 7 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 14 | 0 |
| 1983 | 11 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 8 | 0 |
| 1988 | 10 | 0 |
| 1989 | 22 | 0 |
| 1990 | 6 | 0 |
| 1991 | 13 | 0 |
| 1992 | 5 | 0 |
| 1993 | 8 | 0 |
| 1994 | 8 | 0 |
| 1995 | 12 | 0 |
| 1996 | 10 | 0 |
| 1997 | 13 | 0 |
| 1998 | 23 | 0 |
| 1999 | 26 | 0 |
| 2000 | 23 | 0 |
| 2001 | 21 | 5 |
| 2002 | 19 | 6 |
| 2003 | 9 | 13 |
| 2004 | 17 | 20 |
| 2005 | 15 | 19 |
| 2006 | 15 | 24 |
| 2007 | 12 | 17 |
| 2008 | 8 | 26 |
| 2009 | 20 | 20 |
| 2010 | 15 | 23 |
| 2011 | 18 | 21 |
| 2012 | 16 | 33 |
| 2013 | 32 | 39 |
| 2014 | 40 | 81 |
| 2015 | 56 | 92 |
| 2016 | 83 | 120 |
| 2017 | 115 | 112 |
| 2018 | 79 | 143 |
| 2019 | 115 | 140 |
| 2020 | 122 | 199 |
| 2021 | 124 | 207 |
| 2022 | 138 | 287 |
| 2023 | 153 | 234 |
| 2024 | 226 | 206 |
| 2025 | 216 | 177 |
| 2026 | 174 | 156 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Working machine6 Oct 2026US 12,753,568 B2J. C. Bamford Excavators Limited
- Construction machine6 Oct 2026US 12,753,569 B2Hitachi Construction Machinery Co., Ltd.
- Control device and control method for loading machine6 Oct 2026US 12,753,570 B2Komatsu Ltd.
- Control device, work machine, control method, and control system6 Oct 2026US 12,753,571 B2Komatsu Ltd.
- Construction assist system for shovel6 Oct 2026US 12,753,577 B2Sumitomo Heavy Industries, Ltd.
- Drive system of working machine8 Oct 2026US 2026/0308868 A1
- Autonomous driving information calculation system and autonomous driving information calculation method8 Oct 2026US 2026/0308869 A1Hazama Ando Corporation
- Drive system for work machine, control device for work machine, control method for work machine, and storage medium storing control program for work machine8 Oct 2026US 2026/0308870 A1Nabtesco Corporation
- Decoupled safety system8 Oct 2026US 2026/0308885 A1Bedrock Robotics Inc.
- Construction machine8 Oct 2026US 2026/0308886 A1Kobelco Construction Machinery Co., Ltd.
Most cited
By later US patents
- System for autonomous excavation and truck loading171US 6,363,632 B1Carnegie Mellon University · 2002
- Method and apparatus for determining the location of a work implement149US 5,404,661 ACaterpillar Inc. · 1995
- Adaptable controller for work vehicle attachments145US 6,061,617 ACase Corporation · 2000
- Automatic excavation control system and method139US 5,065,326 ACaterpillar Inc. · 1991
- Electronic control for a two-axis work implement115US 6,233,511 B1Case Corporation · 2001