F02D 41/3041
With means for triggering compression ignition
Official title: {with means for triggering compression ignition, e.g. spark plug}
F02D41/3041 (With means for triggering compression ignition) appears on 430 US grants and 478 published applications in this corpus.
Search patents in F02D- Granted patents
- 430
- Published applications
- 478
- Assignees
- 115
- Inventors
- 735
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 10 | 7 |
| 2002 | 8 | 11 |
| 2003 | 17 | 13 |
| 2004 | 3 | 12 |
| 2005 | 13 | 11 |
| 2006 | 19 | 22 |
| 2007 | 22 | 28 |
| 2008 | 17 | 26 |
| 2009 | 7 | 16 |
| 2010 | 24 | 13 |
| 2011 | 6 | 13 |
| 2012 | 8 | 12 |
| 2013 | 13 | 20 |
| 2014 | 11 | 22 |
| 2015 | 11 | 21 |
| 2016 | 14 | 16 |
| 2017 | 14 | 11 |
| 2018 | 15 | 28 |
| 2019 | 23 | 50 |
| 2020 | 61 | 52 |
| 2021 | 55 | 35 |
| 2022 | 24 | 12 |
| 2023 | 16 | 14 |
| 2024 | 10 | 4 |
| 2025 | 3 | 7 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for combusting unconventional fuel chemistries in a diesel engine architecture7 Jul 2026US 12,674,409 B2Climate Energy Investments, LLC
- Dual fuel engine combustion control strategy optimizing pilot shot quantities6 Jan 2026US 12,516,638 B2Caterpillar Inc.
- Engine control apparatus8 Apr 2025US 12,270,350 B2Honda Motor Co., Ltd.
- Thermal management of exhaust gas with HCCI event18 Mar 2025US 12,253,043 B2Cummins Inc.
- Engine system21 Jan 2025US 12,203,405 B2Mazda Motor Corporation
- Method and Apparatus for Non-Fossil Fuel Internal Combustion Engine27 Aug 2026US 2026/0251112 A1MayMaan Research, LLC
- Temperature-controllable glow plug assisted compression ignition methanol engine and control method thereof23 Jul 2026US 2026/0210322 A1Taiyuan University of Technology
- Engine, engine control method, and vehicle16 Oct 2025US 2025/0320825 A1BYD Company Limited
- Engine control method, engine, vehicle, and computer-readable storage medium16 Oct 2025US 2025/0320838 A1BYD Company Limited
- Dual fuel engine combustion control strategy optimizing pilot shot quantities18 Sep 2025US 2025/0290458 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
- Premixed charge compression ignition engine with optimal combustion control152US 6,230,683 B1Cummins Engine Company, Inc. · 2001
- Premixed charge compression ignition engine with optimal combustion control139US 6,286,482 B1Cummins Engine Company, Inc. · 2001
- Exhaust gas purification device for an internal combustion engine105US 5,732,554 AToyota Jidosha Kabushiki Kaisha · 1998
- Spark-assist type self-ignition engine92US 6,293,246 B1Toyota Jidosha Kabushiki Kaisha · 2001