E02F 9/221
For generating actuator vibration
Official title: {for generating actuator vibration (buckets with vibrating means E02F3/405)}
E02F9/221 (For generating actuator vibration) appears on 44 US grants and 39 published applications in this corpus.
Search patents in E02F- Granted patents
- 44
- Published applications
- 39
- Assignees
- 40
- Inventors
- 100
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 2 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 3 |
| 2010 | 1 | 0 |
| 2011 | 2 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 2 |
| 2018 | 2 | 4 |
| 2019 | 4 | 3 |
| 2020 | 4 | 1 |
| 2021 | 0 | 4 |
| 2022 | 3 | 1 |
| 2023 | 3 | 3 |
| 2024 | 0 | 1 |
| 2025 | 1 | 2 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Implement metering control22 Sep 2026US 12,742,310 B2Caterpillar Inc.
- Control system and control method for work machine31 Mar 2026US 12,590,442 B2Komatsu Ltd.
- Systems and methods for control of excavators and other power machines24 Mar 2026US 12,584,293 B2Doosan Bobcat North America, Inc.
- Device for generating oscillations for a construction machine and method of operation25 Mar 2025US 12,258,861 B2EURODRILL GmbH
- Apparatus for facilitating bucket movement19 Sep 2023US 11,761,170 B2Robert Bosch GmbH
- System for controlling construction machine, and method for controlling same20 Aug 2026US 2026/0243048 A1Hd Hyundai Infracore Co., Ltd.
- Pin and bushing wear detection system and method of a work vehicle with a linkage assembly and work tool30 Apr 2026US 2026/0117493 A1Deere & Company
- Control system and control method for work machine24 Jul 2025US 2025/0237038 A1Komatsu Ltd.
- Implement metering control19 Jun 2025US 2025/0198123 A1Caterpillar Inc.
- Device for generating oscillations for a construction machine and method of operation24 Oct 2024US 2024/0352797 A1EURODRILL GmbH
Most cited
By later US patents
- Tool carrying vehicle with laser control apparatus67US 4,162,708 ADakota Electron, Inc. · 1979
- Hydraulic circuit for shaking a bucket on a vehicle32US 5,235,809 AVickers, Incorporated · 1993
- Work automation apparatus for hydraulic drive machines27US 5,224,033 AKabushiki Kaisha Komatsu Seisakusho · 1993
- Bucket shakeout mechanism for electro-hydraulic machines19US 6,725,105 B2Caterpillar Inc. · 2004
- Control strategy for reducing boom oscillation18US 10,316,929 B2Eaton Intelligent Power Limited · 2019