E02F 3/436
For keeping the dipper in the horizontal position
Official title: {for keeping the dipper in the horizontal position, e.g. self-levelling}
E02F3/436 (For keeping the dipper in the horizontal position) appears on 51 US grants and 58 published applications in this corpus.
Search patents in E02F- Granted patents
- 51
- Published applications
- 58
- Assignees
- 34
- Inventors
- 112
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 3 |
| 2013 | 3 | 2 |
| 2014 | 2 | 2 |
| 2015 | 1 | 5 |
| 2016 | 4 | 5 |
| 2017 | 6 | 2 |
| 2018 | 5 | 3 |
| 2019 | 0 | 5 |
| 2020 | 5 | 1 |
| 2021 | 2 | 4 |
| 2022 | 4 | 4 |
| 2023 | 1 | 3 |
| 2024 | 4 | 3 |
| 2025 | 1 | 8 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Construction machine18 Aug 2026US 12,709,863 B2Hiroshima University
- Automatic leveling system30 Jun 2026US 12,668,945 B2Kobelco Construction Machinery Co., Ltd.
- Systems and methods for control of excavators and other power machines24 Mar 2026US 12,584,293 B2Doosan Bobcat North America, Inc.
- Work vehicle with implement self-leveling functionality including rollback prevention and related systems and methods20 Jan 2026US 12,529,202 B2CNH Industrial America LLC
- Hydraulic excavator11 Feb 2025US 12,221,763 B2Hitachi Construction Machinery Co., Ltd.
- Control System For Automatic Excavator Bucket Leveling And Load Dumping24 Jul 2025US 2025/0237035 A1Zoomlion Heavy Industry Na, Inc.
- Working machine22 May 2025US 2025/0163670 A1Kubota Corporation
- Working machine22 May 2025US 2025/0163683 A1Kubota Corporation
- Work vehicle with implement self-leveling functionality including rollback prevention and related systems and methods24 Apr 2025US 2025/0129565 A1CNH Industrial America LLC
- System, method, and program for controlling work machine24 Apr 2025US 2025/0129578 A1Komatsu Ltd.
Most cited
By later US patents
- Automatic backhoe tool orientation control50US 6,609,315 B1Deere & Company · 2003
- Method for carrying out automatic surface finishing work with electro-hydraulic excavator vehicle40US 5,768,810 ASamsung Heavy Industries Co., Ltd. · 1998
- Automatic loader bucket orientation control23US 6,763,619 B2Deere & Company · 2004
- Method and device for controlling bucket angle of hydraulic shovel16US 5,782,018 AShin Caterpillar Mitsubishi Ltd. · 1998
- Coordinated linkage system for a work vehicle15US 7,222,444 B2Deere & Company · 2007