E02F 9/2242
Including an electronic controller
Official title: {including an electronic controller}
E02F9/2242 (Including an electronic controller) appears on 276 US grants and 301 published applications in this corpus.
Search patents in E02F- Granted patents
- 276
- Published applications
- 301
- Assignees
- 83
- Inventors
- 521
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 4 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 6 |
| 2006 | 4 | 5 |
| 2007 | 1 | 6 |
| 2008 | 3 | 4 |
| 2009 | 10 | 10 |
| 2010 | 2 | 8 |
| 2011 | 5 | 8 |
| 2012 | 3 | 10 |
| 2013 | 7 | 25 |
| 2014 | 8 | 21 |
| 2015 | 19 | 23 |
| 2016 | 15 | 16 |
| 2017 | 16 | 13 |
| 2018 | 15 | 16 |
| 2019 | 17 | 12 |
| 2020 | 21 | 16 |
| 2021 | 18 | 20 |
| 2022 | 11 | 26 |
| 2023 | 14 | 15 |
| 2024 | 26 | 15 |
| 2025 | 17 | 9 |
| 2026 | 13 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Work Machine13 Aug 2026US 2026/0234907 A1Hitachi Construction Machinery Co., Ltd.
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Most cited
By later US patents
- Drive system for construction machinery and method of controlling hydraulic circuit means thereof111US 4,369,625 AHitachi Construction Machinery Co., Ltd. · 1983
- Drive device of working machine84US 6,666,022 B1Kobelco Construction Machinery Co., Ltd. · 2003
- Control system for automatically controlling actuators of an excavator57US 5,361,211 ASamsung Heavy Industries Co., Ltd. · 1994
- Hydraulic control circuit in a hydraulic excavator52US 5,970,709 AKabushiki Kaisha Kobe Seiko Sho · 1999
- Hydraulic drive system50US 4,768,339 AHitachi Construction Machinery Co., Ltd. · 1988