F02D 41/047
Taking into account fuel evaporation or wall wetting
Official title: {Taking into account fuel evaporation or wall wetting; (special correction after fuel cut-off F02D41/126)}
F02D41/047 (Taking into account fuel evaporation or wall wetting) appears on 477 US grants and 365 published applications in this corpus.
Search patents in F02D- Granted patents
- 477
- Published applications
- 365
- Assignees
- 93
- Inventors
- 882
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 9 | 0 |
| 1992 | 11 | 0 |
| 1993 | 7 | 0 |
| 1994 | 8 | 0 |
| 1995 | 9 | 0 |
| 1996 | 20 | 0 |
| 1997 | 16 | 0 |
| 1998 | 12 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 9 |
| 2002 | 7 | 18 |
| 2003 | 19 | 15 |
| 2004 | 17 | 12 |
| 2005 | 12 | 14 |
| 2006 | 14 | 23 |
| 2007 | 18 | 10 |
| 2008 | 11 | 22 |
| 2009 | 9 | 14 |
| 2010 | 16 | 15 |
| 2011 | 13 | 20 |
| 2012 | 12 | 17 |
| 2013 | 12 | 10 |
| 2014 | 9 | 9 |
| 2015 | 15 | 19 |
| 2016 | 13 | 14 |
| 2017 | 12 | 23 |
| 2018 | 26 | 29 |
| 2019 | 27 | 21 |
| 2020 | 28 | 15 |
| 2021 | 16 | 12 |
| 2022 | 10 | 9 |
| 2023 | 8 | 3 |
| 2024 | 7 | 4 |
| 2025 | 2 | 3 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Purge valve control method and control device of evaporated fuel processing device16 Jul 2026US 2026/0201847 A1Nissan Motor Co., Ltd.
- Internal combustion engine9 Jul 2026US 2026/0194024 A1Toyota Jidosha Kabushiki Kaisha
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Most cited
By later US patents
- Internal combustion engine control for improved fuel efficiency208US 7,577,511 B1Tula Technology, Inc. · 2009
- Internal combustion engine137US 6,990,956 B2Toyota Jidosha Kabushiki Kaisha · 2006
- Method and system for controlling fuel delivery during transient engine conditions106US 5,746,183 AFord Global Technologies, LLC · 1998
- Internal combustion engine control for improved fuel efficiency97US 8,131,447 B2Tula Technology, Inc. · 2012
- Air-fuel ratio control apparatus of internal combustion engine71US 6,481,201 B2Toyota Jidosha Kabushiki Kaisha · 2002