E02F 3/431
For bucket-arms, front-end loaders, dumpers or the like
Official title: {for bucket-arms, front-end loaders, dumpers or the like}
E02F3/431 (For bucket-arms, front-end loaders, dumpers or the like) appears on 624 US grants and 685 published applications in this corpus.
Search patents in E02F- Granted patents
- 624
- Published applications
- 685
- Assignees
- 152
- Inventors
- 1,161
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 11 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 4 |
| 2002 | 8 | 3 |
| 2003 | 4 | 3 |
| 2004 | 4 | 9 |
| 2005 | 7 | 8 |
| 2006 | 10 | 13 |
| 2007 | 5 | 7 |
| 2008 | 5 | 9 |
| 2009 | 12 | 10 |
| 2010 | 3 | 13 |
| 2011 | 9 | 7 |
| 2012 | 8 | 21 |
| 2013 | 18 | 11 |
| 2014 | 15 | 27 |
| 2015 | 19 | 17 |
| 2016 | 21 | 31 |
| 2017 | 33 | 30 |
| 2018 | 24 | 31 |
| 2019 | 18 | 33 |
| 2020 | 31 | 70 |
| 2021 | 38 | 68 |
| 2022 | 44 | 61 |
| 2023 | 45 | 54 |
| 2024 | 49 | 53 |
| 2025 | 51 | 49 |
| 2026 | 50 | 43 |
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
- Work system6 Oct 2026US 12,753,583 B2Kobelco Construction Machinery Co., Ltd.
- Attitude maintenance mechanism of front loader and front loader15 Sep 2026US 12,735,855 B2Kubota Corporation
- Work machine and control method for work machine8 Sep 2026US 12,729,502 B2Komatsu Ltd.
- Preventing accidents by analyzing and balancing material piles in industrial transportation1 Sep 2026US 12,723,375 B2International Business Machines Corporation
- Control system for an articulated arm of an agricultural or work vehicle1 Oct 2026US 2026/0297890 A1CNH Industrial Italia S.p.A.
- Control device for a front loader and a front hitch of a work vehicle24 Sep 2026US 2026/0286645 A1
- Wheel loader17 Sep 2026US 2026/0275677 A1Hitachi Construction Machinery Co., Ltd.
- Excavation route generation system3 Sep 2026US 2026/0258629 A1Kobelco Construction Machinery Co., Ltd.
- System for controlling construction machine, and method for controlling same20 Aug 2026US 2026/0243048 A1Hd Hyundai Infracore Co., Ltd.
Most cited
By later US patents
- Electronic control for a two-axis work implement115US 6,233,511 B1Case Corporation · 2001
- Attachment control device105US 6,923,285 B1Clark Equipment Company · 2005
- Autonomous loading shovel system91US 7,574,821 B2Siemens Energy & Automation, Inc. · 2009
- Electronic bucket positioning and control system89US 4,844,685 AClark Equipment Company · 1989
- Semi-automatic material loading82US 9,523,180 B2Deere & Company · 2016