F01M 2013/0038
Layout of crankcase breathing systems
Official title: {Layout of crankcase breathing systems}
F01M2013/0038 (Layout of crankcase breathing systems) appears on 267 US grants and 292 published applications in this corpus.
Search patents in F01M- Granted patents
- 267
- Published applications
- 292
- Assignees
- 125
- Inventors
- 618
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 7 | 7 |
| 2004 | 5 | 5 |
| 2005 | 3 | 1 |
| 2006 | 2 | 4 |
| 2007 | 3 | 0 |
| 2008 | 2 | 3 |
| 2009 | 2 | 8 |
| 2010 | 2 | 13 |
| 2011 | 4 | 11 |
| 2012 | 6 | 4 |
| 2013 | 14 | 13 |
| 2014 | 7 | 7 |
| 2015 | 6 | 25 |
| 2016 | 19 | 26 |
| 2017 | 18 | 24 |
| 2018 | 24 | 26 |
| 2019 | 26 | 27 |
| 2020 | 34 | 28 |
| 2021 | 24 | 9 |
| 2022 | 11 | 12 |
| 2023 | 12 | 10 |
| 2024 | 15 | 9 |
| 2025 | 9 | 8 |
| 2026 | 4 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dry sump engine29 Sep 2026US 12,747,683 B2Toyota Jidosha Kabushiki Kaisha
- Crankcase ventilation element29 Sep 2026US 12,747,684 B2Atmus Filtration Inc.
- Engine25 Aug 2026US 12,716,372 B2Toyota Jidosha Kabushiki Kaisha
- Internal combustion engine for a motor vehicle, motor vehicle, and method31 Mar 2026US 12,590,553 B2Bayerische Motoren Werke Aktiengesellschaft
- Blow-by gas recirculation device9 Dec 2025US 12,492,652 B2Toyota Jidosha Kabushiki Kaisha
- Oil separator structure for blow-by gas recirculation system, and vehicle1 Oct 2026US 2026/0295464 A1Isuzu Motors Limited
- Breather chamber structure of internal combustion engine24 Sep 2026US 2026/0286871 A1Honda Motor Co., Ltd.
- 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
Most cited
By later US patents
- Flat low profile diesel engine crankcase ventilation filter72US 6,478,019 B2Nelson Industries, Inc. · 2002
- Oil separator for reducing oil losses from crankcase ventilation71US 5,450,835 ACummins Engine Company, Inc. · 1995
- Crankcase ventilation system65US 6,123,061 ACummins Engine Company, Inc. · 2000
- Oil separator for removing oil from the crankcase ventilation gases of an internal combustion engine64US 6,279,556 B1Walter Hengst GmbH & Co. KG · 2001
- Oil separator for de-oiling crankcase ventilation gases of an internal combustion engine62US 6,626,163 B1Walter Hengst GmbH & Co. KG · 2003