F02M 25/0836
Arrangement of valves controlling the admission of fuel vapour to an engine
Official title: {Arrangement of valves controlling the admission of fuel vapour to an engine, e.g. valve being disposed between fuel tank or absorption canister and intake manifold}
F02M25/0836 (Arrangement of valves controlling the admission of fuel vapour to an engine) appears on 1,241 US grants and 1,110 published applications in this corpus.
Search patents in F02M- Granted patents
- 1,241
- Published applications
- 1,110
- Assignees
- 236
- Inventors
- 1,551
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 6 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
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| 2000 | 11 | 0 |
| 2001 | 13 | 4 |
| 2002 | 29 | 31 |
| 2003 | 26 | 35 |
| 2004 | 29 | 34 |
| 2005 | 28 | 30 |
| 2006 | 35 | 26 |
| 2007 | 20 | 28 |
| 2008 | 24 | 14 |
| 2009 | 12 | 18 |
| 2010 | 9 | 24 |
| 2011 | 14 | 28 |
| 2012 | 11 | 24 |
| 2013 | 18 | 28 |
| 2014 | 19 | 50 |
| 2015 | 46 | 72 |
| 2016 | 47 | 104 |
| 2017 | 104 | 86 |
| 2018 | 83 | 82 |
| 2019 | 83 | 88 |
| 2020 | 104 | 102 |
| 2021 | 101 | 63 |
| 2022 | 72 | 48 |
| 2023 | 67 | 40 |
| 2024 | 29 | 24 |
| 2025 | 19 | 16 |
| 2026 | 17 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Evaporated fuel treatment device1 Sep 2026US 12,723,561 B2Futaba Industrial Co., Ltd.
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- Movable diaphragm bidirectional noise reduction cannister vent solenoid (cvs) valve27 Aug 2026US 2026/0251108 A1
- Purge valve control method and control device of evaporated fuel processing device16 Jul 2026US 2026/0201847 A1Nissan Motor Co., Ltd.
- Systems and methods for fluid purging in a fuel delivery system9 Jul 2026US 2026/0194031 A1Woodward, Inc.
- Two-stage fuel tank isolation valve with integrated pressure relief18 Jun 2026US 2026/0168469 A1Phinia Jersey Holdings LLC
Most cited
By later US patents
- Dual float valve for fuel tank vent with liquid carryover filter75US 6,675,779 B2Stant Manufacturing Inc. · 2004
- Regulated canister purge solenoid valve having improved purging at engine idle66US 5,069,188 ASiemens Automotive Corporation · 1991
- Fuel tank vent system and diaphragm valve for such system57US 5,524,662 AG. T. Products, Inc. · 1996
- Tank venting system57US 5,603,349 AStant Manufacturing Inc. · 1997
- Rotary solenoid operated proportional flow control valve56US 6,053,472 AEaton Corporation · 2000