F02D 41/406
Electrically controlling a diesel injection pump
Official title: {Electrically controlling a diesel injection pump (F02D41/401 takes precedence)}
F02D41/406 (Electrically controlling a diesel injection pump) appears on 310 US grants and 108 published applications in this corpus.
Search patents in F02D- Granted patents
- 310
- Published applications
- 108
- Assignees
- 91
- Inventors
- 608
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 6 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 12 | 0 |
| 1984 | 15 | 0 |
| 1985 | 27 | 0 |
| 1986 | 18 | 0 |
| 1987 | 13 | 0 |
| 1988 | 19 | 0 |
| 1989 | 20 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 9 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 10 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 0 |
| 2002 | 0 | 0 |
| 2003 | 4 | 5 |
| 2004 | 3 | 6 |
| 2005 | 5 | 4 |
| 2006 | 6 | 9 |
| 2007 | 3 | 5 |
| 2008 | 8 | 7 |
| 2009 | 2 | 8 |
| 2010 | 7 | 5 |
| 2011 | 4 | 5 |
| 2012 | 2 | 3 |
| 2013 | 5 | 0 |
| 2014 | 5 | 9 |
| 2015 | 2 | 6 |
| 2016 | 6 | 6 |
| 2017 | 7 | 0 |
| 2018 | 1 | 5 |
| 2019 | 5 | 4 |
| 2020 | 4 | 4 |
| 2021 | 6 | 8 |
| 2022 | 6 | 3 |
| 2023 | 5 | 2 |
| 2024 | 0 | 1 |
| 2025 | 3 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for at-cylinder fuel switching27 Jan 2026US 12,535,041 B2Caterpillar Inc.
- Method of starting a compression ignition engine16 Dec 2025US 12,497,939 B2Caterpillar Inc.
- Diesel engine, diesel engine manufacturing method, and diesel engine injection-amount correction system11 Feb 2025US 12,221,936 B2Kubota Corporation
- Method and system for measuring fueling quantity variation during multipulse fuel injection event21 Jan 2025US 12,203,425 B2Cummins Inc.
- Fuel injection control method and device for internal combustion engine28 Nov 2023US 11,828,244 B2Nissan Motor Co., Ltd.
- Engine device18 Sep 2025US 2025/0290465 A1Yanmar Holdings Co., Ltd.
- Method of Starting a Compression Ignition Engine11 Sep 2025US 2025/0283443 A1Caterpiltar Inc.
- Systems and methods for at-cylinder fuel switching5 Jun 2025US 2025/0179970 A1Caterpillar Inc.
- Diesel engine, diesel engine manufacturing method, and diesel engine injection-amount correction system1 Aug 2024US 2024/0254940 A1Kubota Corporation
- Method and system for measuring fueling quantity variation during multipulse fuel injection event8 Jun 2023US 2023/0175452 A1Cummins Inc.
Most cited
By later US patents
- System and methods for electronic control of an accumulator fuel system101US 5,678,521 ACummins Engine Company, Inc. · 1997
- Engine control system84US 4,368,705 ACaterpillar Tractor Co. · 1983
- Engine control79US 4,493,303 AMack Trucks, Inc. · 1985
- Method and apparatus for torque control of an internal combustion engine as a function of exhaust smoke level57US 4,601,270 AUnited Technologies Diesel Systems, Inc. · 1986
- Dual fuel control and supply system for internal combustion engines55US 4,606,322 A1986