F02D 41/2441
Characterised by the learning conditions
Official title: {characterised by the learning conditions}
F02D41/2441 (Characterised by the learning conditions) appears on 614 US grants and 409 published applications in this corpus.
Search patents in F02D- Granted patents
- 614
- Published applications
- 409
- Assignees
- 141
- Inventors
- 1,274
- Latest grant
- 28 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 8 | 0 |
| 1985 | 9 | 0 |
| 1986 | 6 | 0 |
| 1987 | 3 | 0 |
| 1988 | 11 | 0 |
| 1989 | 14 | 0 |
| 1990 | 12 | 0 |
| 1991 | 13 | 0 |
| 1992 | 14 | 0 |
| 1993 | 17 | 0 |
| 1994 | 8 | 0 |
| 1995 | 9 | 0 |
| 1996 | 13 | 0 |
| 1997 | 8 | 0 |
| 1998 | 16 | 0 |
| 1999 | 7 | 0 |
| 2000 | 11 | 0 |
| 2001 | 18 | 5 |
| 2002 | 17 | 10 |
| 2003 | 13 | 18 |
| 2004 | 22 | 20 |
| 2005 | 16 | 15 |
| 2006 | 20 | 21 |
| 2007 | 14 | 17 |
| 2008 | 20 | 21 |
| 2009 | 13 | 32 |
| 2010 | 19 | 29 |
| 2011 | 18 | 20 |
| 2012 | 25 | 18 |
| 2013 | 22 | 18 |
| 2014 | 12 | 11 |
| 2015 | 15 | 25 |
| 2016 | 20 | 19 |
| 2017 | 23 | 23 |
| 2018 | 26 | 24 |
| 2019 | 22 | 12 |
| 2020 | 17 | 20 |
| 2021 | 25 | 17 |
| 2022 | 20 | 6 |
| 2023 | 7 | 4 |
| 2024 | 2 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Combustion system design method based on target heat release rate28 Jan 2025US 12,209,549 B2Harbin Engineering University
- System and method for controlling engine torque according to transmission hydraulic pressure27 Aug 2024US 12,072,024 B2Hyundai Kefico Corporation
- Internal combustion engine controller13 Feb 2024US 11,898,513 B2Perkins Engines Company Limited
- Internal combustion engine control device24 Oct 2023US 11,795,889 B2Hitachi Astemo, Ltd.
- Fuel injection control device and fuel injection control method for internal combustion engine12 Sep 2023US 11,754,016 B2Hitachi Astemo, Ltd.
- Hydrogen/ammonia mixed combustion system, mixed combustion control device, and mixed combustion control method23 Jul 2026US 2026/0210301 A1Mitsubishi Heavy Industries, Ltd.
- Method for controlling an execution of functions during the operation of an internal combustion engine23 Jul 2026US 2026/0210309 A1
- Engine control unit calibration13 Mar 2025US 2025/0084803 A1Secondmind Limited
- Merged reference fingerprint generation for machine-learning detection of degraded operation17 Oct 2024US 2024/0344485 A1
- System and method for controlling engine torque according to transmission hydraulic pressure21 Dec 2023US 2023/0407967 A1Hyundai Kefico Corporation
Most cited
By later US patents
- Fuel control system with calibration learning capability for motor vehicle internal combustion engine137US 4,130,095 AGeneral Motors Corporation · 1978
- Method and apparatus for improving engine fuel economy103US 5,778,666 AFord Global Technologies, LLC · 1998
- Controller of compression-ignition engine77US 6,772,585 B2Hitachi, Ltd. · 2004
- Air-fuel ratio control system72US 4,913,122 ANissan Motor Co., Ltd. · 1990
- Learning control system of air-fuel ratio in electronic control engine61US 4,571,683 AToyota Jidosha Kogyo Kabushiki Kaisha · 1986