E02F 3/432
For keeping the bucket in a predetermined position or attitude
Official title: {for keeping the bucket in a predetermined position or attitude}
E02F3/432 (For keeping the bucket in a predetermined position or attitude) appears on 215 US grants and 174 published applications in this corpus.
Search patents in E02F- Granted patents
- 215
- Published applications
- 174
- Assignees
- 77
- Inventors
- 364
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 2 |
| 2002 | 3 | 2 |
| 2003 | 3 | 1 |
| 2004 | 3 | 7 |
| 2005 | 4 | 5 |
| 2006 | 7 | 7 |
| 2007 | 4 | 6 |
| 2008 | 3 | 4 |
| 2009 | 7 | 5 |
| 2010 | 2 | 6 |
| 2011 | 2 | 3 |
| 2012 | 4 | 13 |
| 2013 | 10 | 4 |
| 2014 | 11 | 12 |
| 2015 | 8 | 7 |
| 2016 | 11 | 13 |
| 2017 | 7 | 4 |
| 2018 | 10 | 9 |
| 2019 | 5 | 8 |
| 2020 | 10 | 8 |
| 2021 | 6 | 9 |
| 2022 | 3 | 7 |
| 2023 | 5 | 7 |
| 2024 | 5 | 7 |
| 2025 | 5 | 11 |
| 2026 | 11 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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.
- Working machine25 Aug 2026US 12,716,191 B2Kubota Corporation
- Construction machine18 Aug 2026US 12,709,863 B2Hiroshima University
- Self-leveling kit and loader work apparatus with the kit28 Jul 2026US 12,692,682 B2Daedong Mobility Corp.
- Wheel Loader6 Aug 2026US 2026/0226699 A1Hitachi Construction Machinery Co., Ltd.
- Operator guidance functions for remote controlled demolition robots30 Jul 2026US 2026/0218485 A1Husqvarna AB
- Working machine23 Jul 2026US 2026/0210070 A1Kubota Corporation
- Working machine23 Jul 2026US 2026/0210071 A1Kubota Corporation
- Working machine18 Jun 2026US 2026/0168198 A1Kubota Corporation
Most cited
By later US patents
- Electronic control for a two-axis work implement115US 6,233,511 B1Case Corporation · 2001
- Electronic bucket positioning and control system89US 4,844,685 AClark Equipment Company · 1989
- System and method for automatic bucket loading using force vectors72US 5,974,352 ACaterpillar Inc. · 1999
- Laser-guided construction equipment68US 6,736,216 B2Leica Geosystems GR, LLC · 2004
- System and method for automatic bucket loading using crowd factors63US 5,968,103 ACaterpillar Inc. · 1999