F02D 2041/1415
Using a state feedback or a state space representation
Official title: {using a state feedback or a state space representation}
F02D2041/1415 (Using a state feedback or a state space representation) appears on 358 US grants and 206 published applications in this corpus.
Search patents in F02D- Granted patents
- 358
- Published applications
- 206
- Assignees
- 96
- Inventors
- 559
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 8 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 16 | 0 |
| 1997 | 23 | 0 |
| 1998 | 27 | 0 |
| 1999 | 15 | 0 |
| 2000 | 14 | 0 |
| 2001 | 9 | 0 |
| 2002 | 15 | 14 |
| 2003 | 13 | 12 |
| 2004 | 13 | 19 |
| 2005 | 8 | 9 |
| 2006 | 16 | 14 |
| 2007 | 16 | 11 |
| 2008 | 6 | 7 |
| 2009 | 8 | 5 |
| 2010 | 6 | 10 |
| 2011 | 6 | 5 |
| 2012 | 6 | 4 |
| 2013 | 9 | 9 |
| 2014 | 1 | 8 |
| 2015 | 6 | 9 |
| 2016 | 10 | 10 |
| 2017 | 8 | 9 |
| 2018 | 8 | 10 |
| 2019 | 10 | 9 |
| 2020 | 10 | 8 |
| 2021 | 9 | 7 |
| 2022 | 9 | 6 |
| 2023 | 8 | 4 |
| 2024 | 5 | 3 |
| 2025 | 1 | 1 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Engine system with combustion control for reducing combustion variations7 Jul 2026US 12,674,428 B2Mazda Motor Corporation
- Control device for an internal combustion engine, internal combustion engine assembly including an internal combustion engine and a control device of this type, method for operating an internal combustion engine, and method for determining a component characteristic map10 Feb 2026US 12,546,265 B2Rolls-Royce Solutions GmbH
- Method for evaluating an exhaust NOx sensor in the exhaust system of spark ignition internal combustion engine6 May 2025US 12,291,984 B2Volkswagen Aktiengesellschaft
- Method and system for engine and machine control24 Dec 2024US 12,172,647 B2Caterpillar Inc.
- Monitoring system, method and vehicle comprising such a system, for detecting clogging through fouling of an air filter of an internal combustion engine15 Oct 2024US 12,116,963 B2DAF Trucks N. V.
- Control Device10 Sep 2026US 2026/0266236 A1Astemo, Ltd.
- Engine control system and methods16 Apr 2026US 2026/0104016 A1Innio Jenbacher GmbH & Co OG
- State identification device26 Mar 2026US 2026/0087861 A1Yamaha Hatsudoki Kabushiki Kaisha
- Engine system with combustion control for reducing combustion variations2 Oct 2025US 2025/0305464 A1Mazda Motor Corporation
- Control device for an internal combustion engine, internal combustion engine assembly including an internal combustion engine and a control device of this type, method for operating an internal combustion engine, and method for determining a component characteristic map12 Dec 2024US 2024/0410323 A1Rolls-Royce Solutions GmbH
Most cited
By later US patents
- Coordinated multivariable control of fuel and air in engines127US 7,275,374 B2Honeywell International Inc. · 2007
- Engine with prediction/estimation air flow determination100US 5,270,935 AGeneral Motors Corporation · 1993
- Method for predicting R-step ahead engine state measurements99US 5,094,213 AGeneral Motors Corporation · 1992
- Method and system for using a measure of fueling rate in the air side control of an engine96US 7,591,135 B2Honeywell International Inc. · 2009
- Software air-flow meter for an internal combustion engine93US 5,293,553 AGeneral Motors Corporation · 1994