F02D 41/0057
Specific combustion modes
Official title: {Specific combustion modes (combustion modes per se F02D41/3017)}
F02D41/0057 (Specific combustion modes) appears on 215 US grants and 205 published applications in this corpus.
Search patents in F02D- Granted patents
- 215
- Published applications
- 205
- Assignees
- 64
- Inventors
- 469
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 13 | 0 |
| 2001 | 14 | 5 |
| 2002 | 7 | 12 |
| 2003 | 11 | 13 |
| 2004 | 13 | 11 |
| 2005 | 7 | 6 |
| 2006 | 12 | 10 |
| 2007 | 11 | 7 |
| 2008 | 4 | 7 |
| 2009 | 3 | 7 |
| 2010 | 6 | 2 |
| 2011 | 4 | 9 |
| 2012 | 3 | 7 |
| 2013 | 6 | 14 |
| 2014 | 10 | 14 |
| 2015 | 8 | 13 |
| 2016 | 9 | 5 |
| 2017 | 10 | 6 |
| 2018 | 7 | 7 |
| 2019 | 5 | 25 |
| 2020 | 26 | 10 |
| 2021 | 8 | 4 |
| 2022 | 5 | 2 |
| 2023 | 0 | 3 |
| 2024 | 5 | 2 |
| 2025 | 1 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fuel agnostic compression ignition engine18 Aug 2026US 12,710,015 B2Climate Energy Investments, LLC
- Electronic control device and combustion state detection system25 Feb 2025US 12,234,787 B2Hitachi Astemo, Ltd.
- Method to enhance the performance of a heavy-duty diesel-H2 dual-fuel engine through engine system optimization26 Nov 2024US 12,152,547 B1Saudi Arabian Oil Company
- Full agnostic compression ignition engine7 May 2024US 11,976,606 B2ClearFlame Engines, Inc.
- Fuel agnostic compression ignition engine16 Apr 2024US 11,959,434 B2ClearFlame Engines, Inc.
- Combustion control method and combustion control device for hot blast stove18 Jun 2026US 2026/0168451 A1Jfe Steel Corporation
- Method to enhance the performance of a heavy-duty diesel-h2 dual-fuel engine through engine system optimization30 Jan 2025US 2025/0035056 A1Aramco Services Company
- Method to enhance the performance of a heavy-duty diesel-h2 dual-fuel engine through engine system optimization30 Jan 2025US 2025/0035057 A1Aramco Services Company
- Fuel agnostic compression ignition engine30 Jan 2025US 2025/0035062 A1ClearFlame Engines, Inc.
- Electronic Control Device and Combustion State Detection System26 Dec 2024US 2024/0426257 A1Hitachi Astemo, Ltd.
Most cited
By later US patents
- Controller of compression-ignition engine77US 6,772,585 B2Hitachi, Ltd. · 2004
- Controller for an internal combustion engine63US 6,024,069 ANissan Motor Co., Ltd. · 2000
- Homogeneous charge compression ignition dual fuel engine and method for operation61US 6,463,907 B1Caterpillar Inc. · 2002
- Method of controlling combustion in a homogeneous charge compression ignition engine58US 6,953,024 B2Tiax LLC · 2005
- Engine55US 6,055,968 AToyota Jidosha Kabushiki Kaisha · 2000