F02D 41/0205
Using an auxiliary engine speed control
Official title: {using an auxiliary engine speed control (engine speed control per se F02D31/00)}
F02D41/0205 (Using an auxiliary engine speed control) appears on 189 US grants and 171 published applications in this corpus.
Search patents in F02D- Granted patents
- 189
- Published applications
- 171
- Assignees
- 113
- Inventors
- 472
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 1 |
| 2002 | 6 | 4 |
| 2003 | 5 | 4 |
| 2004 | 2 | 3 |
| 2005 | 7 | 6 |
| 2006 | 3 | 5 |
| 2007 | 8 | 4 |
| 2008 | 2 | 5 |
| 2009 | 2 | 9 |
| 2010 | 4 | 17 |
| 2011 | 7 | 10 |
| 2012 | 14 | 14 |
| 2013 | 13 | 8 |
| 2014 | 12 | 13 |
| 2015 | 10 | 12 |
| 2016 | 8 | 9 |
| 2017 | 14 | 11 |
| 2018 | 12 | 6 |
| 2019 | 2 | 2 |
| 2020 | 5 | 12 |
| 2021 | 7 | 3 |
| 2022 | 6 | 6 |
| 2023 | 3 | 3 |
| 2024 | 3 | 0 |
| 2025 | 3 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Roadside inducement assistance11 Mar 2025US 12,248,326 B2Cummins Inc.
- Mobile work machine and method for operating a machine of this type1 Oct 2024US 12,104,356 B2Liebherr-Mining Equipment Colmar SAS
- Vehicle and control method26 Feb 2026US 2026/0055733 A1Kawasaki Motors, Ltd.
- System and method of operating engines of work machines30 Oct 2025US 2025/0334083 A1Caterpillar Inc.
- Predictive power boost demand system for an agricultural vehicle18 Sep 2025US 2025/0287872 A1Deere & Company
- Cargo-handling limiting device and cargo-handling limiting method22 May 2025US 2025/0162852 A1Kabushiki Kaisha Toyota Jidoshokki
- Control apparatus of motor generator, and power generation apparatus and moving body comprising same16 Nov 2023US 2023/0366361 A1Denso Corporation
Most cited
By later US patents
- Compensation circuit for an automotive ignition sensing system165US 6,392,315 B1Delphi Technologies, Inc. · 2002
- Operating techniques for internal combustion engines116US 6,408,625 B1Cummins Engine Company, Inc. · 2002
- System and method for controlling a climate control system with remote start operation46US 8,096,482 B2Ford Global Technologies, LLC · 2012
- Device for controlling the working conditions of a self-propelled vehicle45US 6,607,466 B2New Holland North America, Inc. · 2003
- Method and system for controlling fuel injection timing in an engine for powering a locomotive41US 6,325,050 B1General Electric Company · 2001