F02D 41/2438
Active learning methods
Official title: {Active learning methods}
F02D41/2438 (Active learning methods) appears on 333 US grants and 319 published applications in this corpus.
Search patents in F02D- Granted patents
- 333
- Published applications
- 319
- Assignees
- 111
- Inventors
- 786
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 1 |
| 2002 | 7 | 5 |
| 2003 | 3 | 2 |
| 2004 | 4 | 7 |
| 2005 | 10 | 14 |
| 2006 | 12 | 10 |
| 2007 | 6 | 14 |
| 2008 | 10 | 10 |
| 2009 | 7 | 32 |
| 2010 | 16 | 19 |
| 2011 | 19 | 6 |
| 2012 | 13 | 22 |
| 2013 | 9 | 19 |
| 2014 | 9 | 15 |
| 2015 | 16 | 17 |
| 2016 | 25 | 18 |
| 2017 | 18 | 24 |
| 2018 | 13 | 11 |
| 2019 | 19 | 11 |
| 2020 | 18 | 20 |
| 2021 | 23 | 25 |
| 2022 | 18 | 6 |
| 2023 | 11 | 6 |
| 2024 | 6 | 3 |
| 2025 | 1 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of operating a fuel injection system24 Jun 2025US 12,338,778 B2Phinia Delphi Luxembourg Sarl
- Internal combustion engine start control apparatus and non-transitory recording medium19 Nov 2024US 12,145,571 B2Subaru Corporation
- System and method for controlling engine torque according to transmission hydraulic pressure27 Aug 2024US 12,072,024 B2Hyundai Kefico Corporation
- System and method for a virtual turbocharger speed sensor using neural networks9 Jul 2024US 12,031,497 B2Volvo Truck Corporation
- Thermal control for vehicle motor19 Mar 2024US 11,936,320 B2Vitesco Technologies GmbH
- Method for controlling an execution of functions during the operation of an internal combustion engine23 Jul 2026US 2026/0210309 A1
- Apparatuses, computer-implemented methods, and computer program products for generating fueling plans to reduce greenhouse gas impact18 Jun 2026US 2026/0170511 A1Honeywell International Inc.
- Method of operating a fuel injection system12 Dec 2024US 2024/0410325 A1Phinia Delphi Luxembourg Sarl
- Merged reference fingerprint generation for machine-learning detection of degraded operation17 Oct 2024US 2024/0344485 A1
- Systems, methods, and computer-readable media for providing a maintenance recommendation for a catalyst16 May 2024US 2024/0157296 A1BASF SE
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
- Engine control system58US 6,789,533 B1Mitsubishi Denki Kabushiki Kaisha · 2004
- System and method for engine with fuel vapor purging58US 7,302,933 B2Ford Global Technologies, LLC · 2007
- Fuel injection device for an internal combustion engine57US 5,176,122 AToyota Jidosha Kabushiki Kaisha · 1993
- Control apparatus and method for an internal combustion engine installed in a vehicle49US 6,009,371 AToyota Jidosha Kabushiki Kaisha · 1999