F02D 41/1487
Correcting the instantaneous control value
Official title: {Correcting the instantaneous control value}
F02D41/1487 (Correcting the instantaneous control value) appears on 138 US grants and 36 published applications in this corpus.
Search patents in F02D- Granted patents
- 138
- Published applications
- 36
- Assignees
- 40
- Inventors
- 313
- Latest grant
- 23 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 9 | 0 |
| 1988 | 6 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 9 | 0 |
| 2001 | 7 | 1 |
| 2002 | 4 | 1 |
| 2003 | 3 | 4 |
| 2004 | 2 | 6 |
| 2005 | 4 | 4 |
| 2006 | 5 | 2 |
| 2007 | 0 | 2 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 2 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 2 |
| 2017 | 3 | 1 |
| 2018 | 0 | 2 |
| 2019 | 5 | 3 |
| 2020 | 2 | 2 |
| 2021 | 2 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Verfahren, Recheneinheit und Computerprogramm zum Betreiben einer Brennkraftmaschine17 Aug 2023US 2023/0258140 A1Robert Bosch GmbH
- Method and system for diagnosing exhaust sensors10 Dec 2020US 2020/0386182 A1Scania CV AB
- Valve duty differentiated exhaust gas recirculation control method and exhaust gas recirculation system16 Jan 2020US 2020/0018250 A1Hyundai Motor Company
- Air-fuel ratio detection device and air-fuel ratio detection method14 Nov 2019US 2019/0345889 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Method and apparatus for reducing unwanted vehicle emissions using satellite navigation106US 6,370,472 B1Mirenco, Inc. · 2002
- Exhaust gas purification device of an engine69US 5,423,181 AToyota Jidosha Kabushiki Kaisha · 1995
- Fuel injection system controlled by vehicle location system54US 6,016,795 AUnisia Jecs Corporation · 2000
- Adaptive feedforward air/fuel ratio control for vapor recovery purge system48US 4,641,623 AFord Motor Company · 1987
- Air/fuel ratio control with adaptive learning of purged fuel vapors46US 5,090,388 AFord Motor Company · 1992