F01M 2013/0044
With one or more valves
Official title: {with one or more valves}
F01M2013/0044 (With one or more valves) appears on 105 US grants and 125 published applications in this corpus.
Search patents in F01M- Granted patents
- 105
- Published applications
- 125
- Assignees
- 72
- Inventors
- 301
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 1 |
| 2003 | 3 | 5 |
| 2004 | 2 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 3 |
| 2010 | 1 | 6 |
| 2011 | 1 | 5 |
| 2012 | 2 | 0 |
| 2013 | 4 | 3 |
| 2014 | 1 | 2 |
| 2015 | 1 | 5 |
| 2016 | 8 | 10 |
| 2017 | 5 | 11 |
| 2018 | 8 | 13 |
| 2019 | 14 | 15 |
| 2020 | 15 | 17 |
| 2021 | 12 | 6 |
| 2022 | 9 | 8 |
| 2023 | 4 | 1 |
| 2024 | 7 | 2 |
| 2025 | 3 | 4 |
| 2026 | 1 | 6 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Engine25 Aug 2026US 12,716,372 B2Toyota Jidosha Kabushiki Kaisha
- Blow-by gas recirculation device9 Dec 2025US 12,492,652 B2Toyota Jidosha Kabushiki Kaisha
- System and apparatus for a diagnostic breather dryer having a coupleable expansion pack21 Oct 2025US 12,448,906 B2Des-Case Corporation
- Blow-by gas recirculation device2 Sep 2025US 12,404,825 B2Toyota Jidosha Kabushiki Kaisha
- PCV valve system and method10 Sep 2024US 12,084,998 B2
- Oil separator structure for blow-by gas recirculation system, and vehicle1 Oct 2026US 2026/0295464 A1Isuzu Motors Limited
- Internal Combustion Engine for a Motor Vehicle13 Aug 2026US 2026/0235057 A1Bayerische Motoren Werke Aktiengesellschaft
- Hydrogen engine30 Jul 2026US 2026/0218637 A1Toyota Jidosha Kabushiki Kaisha
- Blow-by gas recirculation device7 May 2026US 2026/0125996 A1Subaru Corporation
- Combustion Engine Crankcase Breather System and Method30 Apr 2026US 2026/0117686 A1
Most cited
By later US patents
- Flat low profile diesel engine crankcase ventilation filter72US 6,478,019 B2Nelson Industries, Inc. · 2002
- Two stage drainage gas-liquid separator39US 7,614,390 B2Cummins Filtration IP, Inc. · 2009
- Crankcase ventilation system for a hydrogen fueled engine21US 6,606,982 B1Ford Global Technologies, LLC · 2003
- Inertial gas-liquid separator with constrictable and expansible nozzle valve sidewall17US 7,857,883 B2Cummins Filtration IP, Inc. · 2010
- Breather device of engine13US 7,243,642 B2Yanmar Co., Ltd. · 2007