F02D 41/1486
With correction for particular operating conditions
Official title: {with correction for particular operating conditions}
F02D41/1486 (With correction for particular operating conditions) appears on 549 US grants and 184 published applications in this corpus.
Search patents in F02D- Granted patents
- 549
- Published applications
- 184
- Assignees
- 103
- Inventors
- 963
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 7 | 0 |
| 1978 | 18 | 0 |
| 1979 | 16 | 0 |
| 1980 | 8 | 0 |
| 1981 | 10 | 0 |
| 1982 | 16 | 0 |
| 1983 | 27 | 0 |
| 1984 | 20 | 0 |
| 1985 | 19 | 0 |
| 1986 | 15 | 0 |
| 1987 | 28 | 0 |
| 1988 | 21 | 0 |
| 1989 | 7 | 0 |
| 1990 | 18 | 0 |
| 1991 | 15 | 0 |
| 1992 | 13 | 0 |
| 1993 | 14 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 10 | 0 |
| 1997 | 17 | 0 |
| 1998 | 12 | 0 |
| 1999 | 11 | 0 |
| 2000 | 18 | 0 |
| 2001 | 10 | 2 |
| 2002 | 10 | 5 |
| 2003 | 11 | 12 |
| 2004 | 7 | 12 |
| 2005 | 14 | 16 |
| 2006 | 12 | 12 |
| 2007 | 9 | 12 |
| 2008 | 3 | 3 |
| 2009 | 11 | 6 |
| 2010 | 6 | 3 |
| 2011 | 4 | 4 |
| 2012 | 2 | 4 |
| 2013 | 2 | 8 |
| 2014 | 6 | 8 |
| 2015 | 7 | 9 |
| 2016 | 12 | 10 |
| 2017 | 14 | 13 |
| 2018 | 5 | 7 |
| 2019 | 8 | 8 |
| 2020 | 10 | 6 |
| 2021 | 9 | 5 |
| 2022 | 6 | 10 |
| 2023 | 5 | 3 |
| 2024 | 5 | 3 |
| 2025 | 2 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for operating a drive device and corresponding drive device17 Mar 2026US 12,577,896 B2Audi AG
- Method for self-balancing of a lambda sensor and exhaust gas system1 Jul 2025US 12,345,600 B2Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- Controller for hydrogen engine18 Mar 2025US 12,253,039 B2Toyota Jidosha Kabushiki Kaisha
- Air-fuel metering for internal combustion reciprocating engines1 Oct 2024US 12,104,544 B2Setaysha Technical Solutions LLC
- Control device for internal combustion engine27 Aug 2024US 12,071,907 B2Toyota Jidosha Kabushiki Kaisha
- Control device for internal combustion engine15 Jan 2026US 2026/0015984 A1Toyota Jidosha Kabushiki Kaisha
- Internal-combustion-engine control apparatus and method of controlling internal combustion engine25 Dec 2025US 2025/0389233 A1Subaru Corporation
- Air-fuel ratio calculation device15 May 2025US 2025/0155323 A1Toyota Jidosha Kabushiki Kaisha
- Method for operating a drive device and corresponding drive device12 Dec 2024US 2024/0410304 A1Audi AG
- Controller for hydrogen engine10 Oct 2024US 2024/0337226 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
- Air/fuel ratio control for an internal combustion engine using an exhaust gas sensor70US 4,252,098 AChrysler Corporation · 1981
- Exhaust gas purification device of an engine69US 5,423,181 AToyota Jidosha Kabushiki Kaisha · 1995
- Method of and system for controlling air fuel ratios of mixtures into an internal combustion engine65US 4,033,122 ANissan Motor Co., Ltd. · 1977
- Air-fuel ratio feedback control system including at least downstreamside air-fuel ratio sensor59US 4,964,272 AToyota Jidosha Kabushiki Kaisha · 1990