F02D 41/3818
For petrol engines
Official title: {for petrol engines}
F02D41/3818 (For petrol engines) appears on 62 US grants and 35 published applications in this corpus.
Search patents in F02D- Granted patents
- 62
- Published applications
- 35
- Assignees
- 41
- Inventors
- 165
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 1 |
| 2002 | 5 | 1 |
| 2003 | 2 | 1 |
| 2004 | 3 | 3 |
| 2005 | 2 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 3 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 3 |
| 2017 | 0 | 1 |
| 2018 | 2 | 1 |
| 2019 | 6 | 6 |
| 2020 | 3 | 4 |
| 2021 | 5 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and system for measuring fueling quantity variation during multipulse fuel injection event21 Jan 2025US 12,203,425 B2Cummins Inc.
- Methods for measuring fuel quantity during multipulse fuel injection events in a common rail fuel system19 Nov 2024US 12,146,451 B2Cummins Inc.
- Methods for measuring fuel quantity during multipulse fuel injection events in a common rail fuel system26 Dec 2023US 11,852,097 B2Cummins Inc.
- Method and device for predicting the failure time of the pressure limiting valve of a high-pressure fuel pump of a motor vehicle20 Sep 2022US 11,448,149 B2Vitesco Technologies GmbH
- Combustion chamber structure for engines19 Oct 2021US 11,149,682 B2Mazda Motor Corporation
- Methods for measuring fuel quantity during multipulse fuel injection events in a common rail fuel system14 Mar 2024US 2024/0084757 A1Cummins Inc.
- Methods for measuring fuel quantity during multipulse fuel injection events in a common rail fuel system7 Sep 2023US 2023/0279823 A1Cummins Inc.
- Method and system for measuring fueling quantity variation during multipulse fuel injection event8 Jun 2023US 2023/0175452 A1Cummins Inc.
- Method for operating a spark-ignition internal combustion engine11 Feb 2021US 2021/0040913 A1AVL List GmbH
- Control device for engine21 Jan 2021US 2021/0017929 A1Mazda Motor Corporation
Most cited
By later US patents
- Internal combustion engine with on-board diagnostic system for detecting impaired fuel injectors83US 5,445,019 AFord Motor Company · 1995
- Device for reactivating catalyst of engine60US 6,178,743 B2Toyota Jidosha Kabushiki Kaisha · 2001
- Apparatus and method for accurately controlling fuel injection flow rate52US 5,771,861 ACummins Engine Company, Inc. · 1998
- Diesel engine48US 5,740,775 AHino Motors, Ltd. · 1998
- Fuel feeding system for internal combustion engine33US 5,918,578 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 1999