F02M 25/0818
Having means for pressurising the evaporative emission space
Official title: {having means for pressurising the evaporative emission space}
F02M25/0818 (Having means for pressurising the evaporative emission space) appears on 405 US grants and 366 published applications in this corpus.
Search patents in F02M- Granted patents
- 405
- Published applications
- 366
- Assignees
- 104
- Inventors
- 528
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 11 | 0 |
| 2001 | 15 | 5 |
| 2002 | 7 | 10 |
| 2003 | 9 | 13 |
| 2004 | 10 | 15 |
| 2005 | 14 | 24 |
| 2006 | 21 | 12 |
| 2007 | 17 | 12 |
| 2008 | 11 | 0 |
| 2009 | 6 | 7 |
| 2010 | 4 | 6 |
| 2011 | 5 | 13 |
| 2012 | 8 | 11 |
| 2013 | 10 | 16 |
| 2014 | 7 | 28 |
| 2015 | 13 | 23 |
| 2016 | 24 | 17 |
| 2017 | 26 | 20 |
| 2018 | 23 | 23 |
| 2019 | 17 | 20 |
| 2020 | 21 | 22 |
| 2021 | 21 | 11 |
| 2022 | 19 | 20 |
| 2023 | 23 | 17 |
| 2024 | 13 | 8 |
| 2025 | 4 | 9 |
| 2026 | 7 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for diagnosing evaporative emissions control system18 Aug 2026US 12,710,024 B2Ford Global Technologies, LLC
- Malfunction diagnosis device for leakage diagnosis device28 Jul 2026US 12,692,829 B2Denso Corporation
- Abnormality determination method for purge system and abnormality determination system for purge system14 Jul 2026US 12,680,521 B2Nissan Motor Co., Ltd.
- Evaporative emissions leak check module with VOC measurement2 Jun 2026US 12,644,429 B2Stoneridge Asia Pacific Electronics (Suzhou) Co. Ltd.
- Flexible fluid connection for evaporative emissions system12 May 2026US 12,624,674 B2Stoneridge Control Devices, Inc.
- Evaporative emission leak detection system and detection method for engines1 Oct 2026US 2026/0298181 A1Difite (Suzhou) Co., Ltd.
- Locating a fuel leak in a fuel system30 Apr 2026US 2026/0117730 A1OPmobility C-Power Belgium Research
- Method and system for diagnosing evaporative emissions control system12 Mar 2026US 2026/0071598 A1Ford Global Technologies, LLC
- Evaporative emissions leak detection module26 Feb 2026US 2026/0056084 A1Stoneridge Asia Pacific Electronics (Suzhou) Co. Ltd.
- Leakage diagnosis method and leakage diagnosis system for a tank of a vehicle25 Sep 2025US 2025/0296434 A1Thomas Magnete GmbH
Most cited
By later US patents
- Positive pressure canister purge system integrity confirmation120US 5,146,902 ASiemens Automotive Corporation · 1992
- Tank-venting system for a motor vehicle and method for checking the operability thereof88US 5,193,512 ARobert Bosch GmbH · 1993
- Leak detection assembly84US 5,635,630 AChrysler Corporation · 1997
- Internet-based system for monitoring vehicles83US 7,747,365 B1Htiip, LLC · 2010
- Method and arrangement for checking the operability of a tank-venting system68US 5,890,474 ARobert Bosch GmbH · 1999