F02D 41/0032
Controlling the purging of the canister as a function of the engine
Official title: {Controlling the purging of the canister as a function of the engine operating conditions}
F02D41/0032 (Controlling the purging of the canister as a function of the engine) appears on 838 US grants and 669 published applications in this corpus.
Search patents in F02D- Granted patents
- 838
- Published applications
- 669
- Assignees
- 138
- Inventors
- 1,078
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 11 | 0 |
| 1992 | 6 | 0 |
| 1993 | 21 | 0 |
| 1994 | 11 | 0 |
| 1995 | 9 | 0 |
| 1996 | 15 | 0 |
| 1997 | 28 | 0 |
| 1998 | 19 | 0 |
| 1999 | 9 | 0 |
| 2000 | 16 | 0 |
| 2001 | 22 | 6 |
| 2002 | 14 | 9 |
| 2003 | 12 | 13 |
| 2004 | 17 | 17 |
| 2005 | 8 | 20 |
| 2006 | 17 | 9 |
| 2007 | 14 | 13 |
| 2008 | 12 | 6 |
| 2009 | 8 | 14 |
| 2010 | 9 | 10 |
| 2011 | 10 | 18 |
| 2012 | 7 | 11 |
| 2013 | 10 | 24 |
| 2014 | 20 | 26 |
| 2015 | 28 | 58 |
| 2016 | 43 | 58 |
| 2017 | 69 | 52 |
| 2018 | 46 | 55 |
| 2019 | 55 | 68 |
| 2020 | 68 | 76 |
| 2021 | 89 | 44 |
| 2022 | 38 | 23 |
| 2023 | 33 | 19 |
| 2024 | 12 | 9 |
| 2025 | 11 | 4 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Purge valve control method and control device of evaporated fuel processing device6 Oct 2026US 12,753,728 B2Nissan Motor Co., Ltd.
- Flexible fluid connection for evaporative emissions system12 May 2026US 12,624,674 B2Stoneridge Control Devices, Inc.
- Apparatus and method for controlling fuel system of vehicle6 Jan 2026US 12,516,641 B2Hyundai Motor Company
- Methods and systems for an evaporative emission system4 Nov 2025US 12,460,608 B2Ford Global Technologies, LLC
- Purge valve driving control device3 Jun 2025US 12,322,544 B2Bosch Corporation
- 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
- System and method for engine fuel blend control110US 7,287,492 B2Ford Global Technologies, LLC · 2007
- Purge system for ethanol direct injection plus gas port fuel injection93US 7,293,552 B2Ford Global Technologies, LLC · 2007
- Vaporized fuel control apparatus for internal combustion engines89US 4,817,576 ANippondenso Co., Ltd. · 1989
- Motor vehicle comprising an activated carbon filter and method for regenerating an activated carbon filter74US 7,146,969 B2DaimlerChrysler AG · 2006
- Cold start fuel control system71US 5,482,023 AHitachi America, Ltd., Research and Development Division · 1996