E02F 9/2235
Including an electronic controller
Official title: {including an electronic controller}
E02F9/2235 (Including an electronic controller) appears on 832 US grants and 872 published applications in this corpus.
Search patents in E02F- Granted patents
- 832
- Published applications
- 872
- Assignees
- 145
- Inventors
- 1,241
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 8 | 0 |
| 1993 | 8 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 10 | 0 |
| 2000 | 11 | 0 |
| 2001 | 14 | 1 |
| 2002 | 3 | 6 |
| 2003 | 5 | 5 |
| 2004 | 5 | 8 |
| 2005 | 7 | 12 |
| 2006 | 7 | 18 |
| 2007 | 9 | 12 |
| 2008 | 7 | 14 |
| 2009 | 14 | 19 |
| 2010 | 7 | 19 |
| 2011 | 13 | 26 |
| 2012 | 11 | 28 |
| 2013 | 25 | 50 |
| 2014 | 29 | 39 |
| 2015 | 44 | 38 |
| 2016 | 36 | 48 |
| 2017 | 42 | 34 |
| 2018 | 33 | 47 |
| 2019 | 51 | 40 |
| 2020 | 37 | 55 |
| 2021 | 74 | 92 |
| 2022 | 61 | 77 |
| 2023 | 50 | 53 |
| 2024 | 77 | 66 |
| 2025 | 61 | 34 |
| 2026 | 35 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Work machine and actuator calibration system10 Sep 2026US 2026/0266029 A1Hitachi Construction Machinery Co., Ltd.
- Output control device, method and program3 Sep 2026US 2026/0258637 A1Takeuchi Mfg. Co., Ltd.
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- Construction machine9 Jul 2026US 2026/0193869 A1Hitachi Construction Machinery Co., Ltd.
Most cited
By later US patents
- Construction machine69US 7,086,226 B2Komatsu Ltd. · 2006
- Control system for load-sensing hydraulic drive circuit65US 4,967,557 AHitachi Construction Machinery Co., Ltd. · 1990
- Pump controlling apparatus for construction machine65US 5,048,293 AHitachi Construction Machinery Co., Ltd. · 1991
- Method of and system for controlling hydraulic power system55US 4,606,313 AHitachi Construction Machinery Co., Ltd. · 1986
- Process and composition for purifying semiconductor process gases to remove Lewis acid and oxidant impurities therefrom47US 5,385,689 ANovapure Corporation · 1995