F02D 41/34
With means for controlling injection timing or duration
Official title: with means for controlling injection timing or duration
F02D41/34 (With means for controlling injection timing or duration) appears on 785 US grants and 538 published applications in this corpus.
Search patents in F02D- Granted patents
- 785
- Published applications
- 538
- Assignees
- 209
- Inventors
- 1,582
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 8 | 0 |
| 1984 | 9 | 0 |
| 1985 | 19 | 0 |
| 1986 | 13 | 0 |
| 1987 | 9 | 0 |
| 1988 | 9 | 0 |
| 1989 | 13 | 0 |
| 1990 | 19 | 0 |
| 1991 | 18 | 0 |
| 1992 | 19 | 0 |
| 1993 | 18 | 0 |
| 1994 | 12 | 0 |
| 1995 | 10 | 0 |
| 1996 | 18 | 0 |
| 1997 | 11 | 0 |
| 1998 | 21 | 0 |
| 1999 | 17 | 0 |
| 2000 | 26 | 0 |
| 2001 | 11 | 4 |
| 2002 | 8 | 16 |
| 2003 | 17 | 12 |
| 2004 | 16 | 19 |
| 2005 | 12 | 11 |
| 2006 | 17 | 7 |
| 2007 | 10 | 11 |
| 2008 | 6 | 18 |
| 2009 | 8 | 30 |
| 2010 | 26 | 18 |
| 2011 | 12 | 17 |
| 2012 | 7 | 13 |
| 2013 | 18 | 17 |
| 2014 | 11 | 25 |
| 2015 | 7 | 28 |
| 2016 | 23 | 44 |
| 2017 | 37 | 33 |
| 2018 | 46 | 40 |
| 2019 | 50 | 42 |
| 2020 | 37 | 43 |
| 2021 | 46 | 28 |
| 2022 | 27 | 17 |
| 2023 | 22 | 17 |
| 2024 | 13 | 10 |
| 2025 | 10 | 10 |
| 2026 | 1 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydrogen generation device for optimising combustion and reducing the emission of pollutants in diesel cycle engines and method of use28 Apr 2026US 12,612,886 B2
- Internal combustion engine system30 Dec 2025US 12,510,035 B2Volvo Truck Corporation
- Engine control system and methods25 Nov 2025US 12,480,455 B2Arctic Cat Inc.
- Controller for internal combustion engine25 Nov 2025US 12,480,456 B2Toyota Jidosha Kabushiki Kaisha
- Method of controlling a fuel injector12 Aug 2025US 12,385,457 B2Walbro Corporation
- Control device for internal combustion engine25 Jun 2026US 2026/0177016 A1Toyota Jidosha Kabushiki Kaisha
- Internal combustion engine controller11 Jun 2026US 2026/0160212 A1Toyota Jidosha Kabushiki Kaisha
- Internal combustion engine11 Jun 2026US 2026/0160216 A1Toyota Jidosha Kabushiki Kaisha
- Control device for internal combustion engine21 May 2026US 2026/0139637 A1Toyota Jidosha Kabushiki Kaisha
- Gaseous fuel systems and controls7 May 2026US 2026/0126019 A1Cummins Inc.
Most cited
By later US patents
- Fuel injection system and method118US 6,959,693 B2Toyota Jidosha Kabushiki Kaisha · 2005
- System and method to pre-ignition in an internal combustion engine107US 7,178,503 B1Ford Global Technologies, LLC · 2007
- Dual fuel injection system and a method of controlling such a system77US 5,379,740 ABiocom Pty. Ltd. · 1995
- Control system for internal combustion engine70US 6,978,762 B2Toyota Jidosha Kabushiki Kaisha · 2005
- Fuel injection control apparatus for alcohol engine67US 5,056,490 AFuji Jukogyo Kabushiki Kaisha · 1991