E02F 9/123
Drives or control devices specially adapted therefor
Official title: {Drives or control devices specially adapted therefor (E02F9/125 and E02F9/128 take precedence)}
E02F9/123 (Drives or control devices specially adapted therefor) appears on 474 US grants and 519 published applications in this corpus.
Search patents in E02F- Granted patents
- 474
- Published applications
- 519
- Assignees
- 123
- Inventors
- 889
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 1 |
| 2003 | 2 | 0 |
| 2004 | 1 | 2 |
| 2005 | 2 | 3 |
| 2006 | 1 | 2 |
| 2007 | 1 | 5 |
| 2008 | 2 | 8 |
| 2009 | 4 | 2 |
| 2010 | 2 | 14 |
| 2011 | 4 | 20 |
| 2012 | 7 | 17 |
| 2013 | 15 | 44 |
| 2014 | 31 | 47 |
| 2015 | 41 | 37 |
| 2016 | 28 | 43 |
| 2017 | 37 | 29 |
| 2018 | 33 | 23 |
| 2019 | 31 | 11 |
| 2020 | 13 | 31 |
| 2021 | 23 | 44 |
| 2022 | 17 | 39 |
| 2023 | 26 | 29 |
| 2024 | 38 | 19 |
| 2025 | 28 | 16 |
| 2026 | 22 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Power feeding unit and swivel joint6 Oct 2026US 12,753,575 B2Komatsu Ltd.
- Construction machine15 Sep 2026US 12,735,869 B2Hd Construction Equipment Co., Ltd.
- Bearing assembly for driveshafts of draglines1 Sep 2026US 12,723,365 B2Caterpillar Global Mining LLC
- Display system of turning work vehicle25 Aug 2026US 12,716,205 B2Yanmar Power Technology Co., Ltd.
- Speed reducer and industrial machine25 Aug 2026US 12,716,480 B2Nabtesco Corporation
- Drive system of working machine8 Oct 2026US 2026/0308868 A1
- Drive system for work machine, control device for work machine, control method for work machine, storage medium storing control program for work machine, and work machine8 Oct 2026US 2026/0308874 A1Nabtesco Corporation
- Slewing control system, voltage deviation control method, construction machinery including the system1 Oct 2026US 2026/0302989 A1Caterpillar Inc.
- System for setting target position in automatic revolution control of work machine24 Sep 2026US 2026/0286650 A1Komatsu Ltd.
- Control device, control method, and work machine17 Sep 2026US 2026/0275679 A1Komatsu Ltd.
Most cited
By later US patents
- Motor drive system for an electric mining shovel85US 4,263,535 ABucyrus-Erie Company · 1981
- Shovel64US 6,789,335 B1Kobelco Construction Machinery Co., Ltd. · 2004
- Control system for automatically controlling actuators of an excavator57US 5,361,211 ASamsung Heavy Industries Co., Ltd. · 1994
- GNSS and optical guidance and machine control48US 9,002,565 B2Agjunction LLC · 2015
- Control apparatus for construction machine47US 6,009,708 AShin Caterpillar Mitsubishi Ltd. · 2000