E02F 9/2253
Controlling the travelling speed of vehicles
Official title: {Controlling the travelling speed of vehicles, e.g. adjusting travelling speed according to implement loads, control of hydrostatic transmission}
E02F9/2253 (Controlling the travelling speed of vehicles) appears on 539 US grants and 612 published applications in this corpus.
Search patents in E02F- Granted patents
- 539
- Published applications
- 612
- Assignees
- 122
- Inventors
- 1,030
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 8 |
| 2003 | 7 | 5 |
| 2004 | 3 | 7 |
| 2005 | 4 | 3 |
| 2006 | 7 | 14 |
| 2007 | 7 | 9 |
| 2008 | 0 | 11 |
| 2009 | 6 | 11 |
| 2010 | 8 | 28 |
| 2011 | 12 | 10 |
| 2012 | 12 | 18 |
| 2013 | 34 | 32 |
| 2014 | 25 | 24 |
| 2015 | 21 | 25 |
| 2016 | 21 | 26 |
| 2017 | 30 | 25 |
| 2018 | 13 | 19 |
| 2019 | 21 | 24 |
| 2020 | 22 | 42 |
| 2021 | 35 | 44 |
| 2022 | 43 | 72 |
| 2023 | 36 | 38 |
| 2024 | 50 | 51 |
| 2025 | 49 | 29 |
| 2026 | 23 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Tractor with anti-slipping and overloading controls77US 4,344,499 AC. van der Lely N. V. · 1982
- Hydraulic driving circuit with motor displacement limitation control66US 5,203,168 AHitachi Construction Machinery Co., Ltd. · 1993
- Control system for automatically controlling actuators of an excavator57US 5,361,211 ASamsung Heavy Industries Co., Ltd. · 1994
- Apparatus and method for controlling the efficiency of the work cycle associated with an earthworking machine55US 6,234,254 B1Caterpillar Inc. · 2001
- Utility vehicle with work-performing attachment54US 6,138,069 ATextron Inc. · 2000