F02D 41/403
With pilot injections
Official title: {with pilot injections}
F02D41/403 (With pilot injections) appears on 575 US grants and 568 published applications in this corpus.
Search patents in F02D- Granted patents
- 575
- Published applications
- 568
- Assignees
- 139
- Inventors
- 1,228
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 10 | 0 |
| 2001 | 16 | 3 |
| 2002 | 16 | 14 |
| 2003 | 18 | 22 |
| 2004 | 17 | 28 |
| 2005 | 29 | 48 |
| 2006 | 29 | 29 |
| 2007 | 30 | 34 |
| 2008 | 25 | 25 |
| 2009 | 21 | 35 |
| 2010 | 24 | 26 |
| 2011 | 16 | 17 |
| 2012 | 16 | 25 |
| 2013 | 23 | 21 |
| 2014 | 18 | 24 |
| 2015 | 16 | 19 |
| 2016 | 23 | 29 |
| 2017 | 24 | 21 |
| 2018 | 18 | 31 |
| 2019 | 31 | 21 |
| 2020 | 32 | 33 |
| 2021 | 25 | 10 |
| 2022 | 14 | 10 |
| 2023 | 13 | 13 |
| 2024 | 12 | 11 |
| 2025 | 8 | 11 |
| 2026 | 8 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for controlling cylinder combustion in a dual fuel engine using in-cylinder pressure sensing8 Sep 2026US 12,729,654 B2Caterpillar Inc.
- Method of controlling internal combustion engine, control arrangement, internal combustion engine, and vehicle23 Jun 2026US 12,662,975 B2Scania CV AB
- Asymmetric fuel injection window and fuel metering window17 Mar 2026US 12,577,918 B2Caterpillar Inc.
- Method to perform rebreathe mode transitions17 Feb 2026US 12,553,398 B2Saudi Arabian Oil Company
- Systems and methods for at-cylinder fuel switching27 Jan 2026US 12,535,041 B2Caterpillar Inc.
- Fuel type detection for internal combustion engine6 Aug 2026US 2026/0226868 A1Caterpillar Inc.
- Ignition system23 Apr 2026US 2026/0110285 A1Volvo Truck Corporation
- Engine injector control device and method16 Apr 2026US 2026/0104018 A1Hyundai Kefico Corporation
- Method for operating a dual fuel internal combustion engine, a dual fuel internal combustion engine, and a vehicle19 Mar 2026US 2026/0078707 A1AB Volvo Penta
- Asymmetric fuel injection window and fuel metering window22 Jan 2026US 2026/0022673 A1Caterpillar Inc.
Most cited
By later US patents
- Premixed charge compression ignition engine with optimal combustion control196US 6,276,334 B1Cummins Engine Company, Inc. · 2001
- Method for engine control136US 5,445,128 ADetroit Diesel Corporation · 1995
- Multiple operating mode engine and method of operation134US 6,561,157 B2Cummins Inc. · 2003
- Method and system for using a measure of fueling rate in the air side control of an engine98US 7,165,399 B2Honeywell International Inc. · 2007
- Method and system for using a measure of fueling rate in the air side control of an engine96US 7,591,135 B2Honeywell International Inc. · 2009