F02D 41/1401
Characterised by the control or regulation method
Official title: {characterised by the control or regulation method (F02D41/1473, F02D41/1477 take precedence)}
F02D41/1401 (Characterised by the control or regulation method) appears on 3,954 US grants and 3,417 published applications in this corpus.
Search patents in F02D- Granted patents
- 3,954
- Published applications
- 3,417
- Assignees
- 600
- Inventors
- 6,407
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 8 | 0 |
| 1984 | 24 | 0 |
| 1985 | 10 | 0 |
| 1986 | 8 | 0 |
| 1987 | 21 | 0 |
| 1988 | 13 | 0 |
| 1989 | 10 | 0 |
| 1990 | 18 | 0 |
| 1991 | 25 | 0 |
| 1992 | 25 | 0 |
| 1993 | 29 | 0 |
| 1994 | 24 | 0 |
| 1995 | 32 | 0 |
| 1996 | 42 | 0 |
| 1997 | 68 | 0 |
| 1998 | 75 | 0 |
| 1999 | 58 | 0 |
| 2000 | 84 | 0 |
| 2001 | 125 | 29 |
| 2002 | 116 | 94 |
| 2003 | 116 | 126 |
| 2004 | 113 | 132 |
| 2005 | 106 | 128 |
| 2006 | 145 | 135 |
| 2007 | 133 | 147 |
| 2008 | 103 | 133 |
| 2009 | 87 | 159 |
| 2010 | 124 | 146 |
| 2011 | 120 | 158 |
| 2012 | 116 | 139 |
| 2013 | 140 | 157 |
| 2014 | 126 | 148 |
| 2015 | 145 | 181 |
| 2016 | 149 | 167 |
| 2017 | 175 | 178 |
| 2018 | 195 | 189 |
| 2019 | 194 | 182 |
| 2020 | 192 | 178 |
| 2021 | 187 | 135 |
| 2022 | 155 | 125 |
| 2023 | 117 | 87 |
| 2024 | 92 | 68 |
| 2025 | 67 | 46 |
| 2026 | 25 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02D 2041/1413Controller structures or designIndexing code1,709
- F02D 2041/1433Using a model or simulation of the systemIndexing code1,169
- F02D 2041/1409Using at least a proportional, integral or derivative controllerIndexing code579
- F02D 41/1402Adaptive control408
- F02D 2041/141Using a feed-forward control elementIndexing code385
- F02D 41/1406With use of a optimisation method374
- F02D 2041/1412Using a predictive controllerIndexing code367
- F02D 41/1405Neural network control266
Recent patents
- Control device and method for operating an internal combustion engine using at least one temporal specification parameter trajectory1 Sep 2026US 12,723,551 B2Rolls-Royce Solutions GmbH
- System and method for adaptive control of air-to-fuel ratio18 Aug 2026US 12,710,014 B2Caterpillar Inc.
- Closed-loop control device for closed-loop control of a power assembly including an internal combustion engine and a generator having an operative drive connection to the internal combustion engine, closed-loop control arrangement having such a closed-loop control device, power assembly and method for closed-loop control of a power assembly14 Jul 2026US 12,680,515 B2Rolls-Royce Solutions GmbH
- Sensor system and method14 Jul 2026US 12,680,516 B2Transportation IP Holdings, LLC
- Engine system with combustion control for reducing combustion variations7 Jul 2026US 12,674,428 B2Mazda Motor Corporation
- Method for controlling the rotation of a vehicle engine camshaft1 Oct 2026US 2026/0298165 A1Schaeffler Technologies AG & Co. KG
- Method for detecting tuning measures on an internal combustion engine, computer program product, and control unit24 Sep 2026US 2026/0286914 A1
- Control Device10 Sep 2026US 2026/0266236 A1Astemo, Ltd.
- Internal Combustion Engine Control Device and Control System for Mobile Object27 Aug 2026US 2026/0251104 A1Astemo, Ltd.
- Method for operating an internal combustion engine, computer program, control device for an internal combustion engine, combustion engine and method for designing an internal combustion engine20 Aug 2026US 2026/0243211 A1Rolls-Royce Solutions GmbH
Most cited
By later US patents
- Virtual continuous emission monitoring system with sensor validation382US 5,386,373 APavilion Technologies, Inc. · 1995
- Intelligent control with hierarchical stacked neural networks273US 9,015,093 B12015
- Virtual emissions monitor for automobile and associated control system215US 5,682,317 APavilion Technologies, Inc. · 1997
- Internal combustion engine control for improved fuel efficiency214US 8,099,224 B2Tula Technology, Inc. · 2012
- Internal combustion engine control for improved fuel efficiency208US 7,577,511 B1Tula Technology, Inc. · 2009