F02D 41/003
Adding fuel vapours
Official title: {Adding fuel vapours, e.g. drawn from engine fuel reservoir}
F02D41/003 (Adding fuel vapours) appears on 1,353 US grants and 1,042 published applications in this corpus.
Search patents in F02D- Granted patents
- 1,353
- Published applications
- 1,042
- Assignees
- 196
- Inventors
- 1,697
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 11 | 0 |
| 1990 | 6 | 0 |
| 1991 | 15 | 0 |
| 1992 | 8 | 0 |
| 1993 | 31 | 0 |
| 1994 | 21 | 0 |
| 1995 | 23 | 0 |
| 1996 | 26 | 0 |
| 1997 | 38 | 0 |
| 1998 | 34 | 0 |
| 1999 | 21 | 0 |
| 2000 | 32 | 0 |
| 2001 | 36 | 11 |
| 2002 | 26 | 24 |
| 2003 | 30 | 37 |
| 2004 | 37 | 30 |
| 2005 | 21 | 39 |
| 2006 | 31 | 17 |
| 2007 | 32 | 34 |
| 2008 | 32 | 20 |
| 2009 | 15 | 36 |
| 2010 | 22 | 27 |
| 2011 | 22 | 35 |
| 2012 | 21 | 18 |
| 2013 | 23 | 41 |
| 2014 | 32 | 43 |
| 2015 | 42 | 82 |
| 2016 | 65 | 74 |
| 2017 | 98 | 85 |
| 2018 | 68 | 74 |
| 2019 | 78 | 87 |
| 2020 | 91 | 95 |
| 2021 | 117 | 52 |
| 2022 | 52 | 34 |
| 2023 | 44 | 22 |
| 2024 | 16 | 11 |
| 2025 | 12 | 6 |
| 2026 | 8 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fuel tank processing apparatus6 Oct 2026US 12,753,727 B2Subaru Corporation
- Purge valve control method and control device of evaporated fuel processing device6 Oct 2026US 12,753,728 B2Nissan Motor Co., Ltd.
- Control device for hydrogen engine12 May 2026US 12,624,667 B2Toyota Jidosha Kabushiki Kaisha
- Flexible fluid connection for evaporative emissions system12 May 2026US 12,624,674 B2Stoneridge Control Devices, Inc.
- Evaporative emissions control system28 Apr 2026US 12,612,881 B2GM Global Technology Operations LLC
- Purge valve control method and control device of evaporated fuel processing device16 Jul 2026US 2026/0201847 A1Nissan Motor Co., Ltd.
- Internal combustion engine controller11 Jun 2026US 2026/0160212 A1Toyota Jidosha Kabushiki Kaisha
- Evaporative-emission-control system and straddled vehicle equipped with evaporative-emission-control system4 Jun 2026US 2026/0153059 A1Yamaha Hatsudoki Kabushiki Kaisha
- Vehicle28 May 2026US 2026/0146570 A1Subaru Corporation
- Locating a fuel leak in a fuel system30 Apr 2026US 2026/0117730 A1OPmobility C-Power Belgium Research
Most cited
By later US patents
- Vapor recovery control system for direct injection spark ignition engines110US 5,950,603 AFord Global Technologies, LLC · 1999
- System and method for engine fuel blend control110US 7,287,492 B2Ford Global Technologies, LLC · 2007
- Engine system and method with cylinder deactivation106US 6,978,204 B2Ford Global Technologies, LLC · 2005
- Method for rapid catalyst heating94US 6,568,177 B1Ford Global Technologies, LLC · 2003
- Purge system for ethanol direct injection plus gas port fuel injection93US 7,293,552 B2Ford Global Technologies, LLC · 2007