F01M 2013/0461
With a labyrinth
Official title: {with a labyrinth}
F01M2013/0461 (With a labyrinth) appears on 137 US grants and 143 published applications in this corpus.
Search patents in F01M- Granted patents
- 137
- Published applications
- 143
- Assignees
- 82
- Inventors
- 322
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 7 | 10 |
| 2003 | 1 | 1 |
| 2004 | 5 | 6 |
| 2005 | 4 | 3 |
| 2006 | 6 | 6 |
| 2007 | 5 | 2 |
| 2008 | 2 | 8 |
| 2009 | 5 | 10 |
| 2010 | 3 | 7 |
| 2011 | 11 | 6 |
| 2012 | 6 | 6 |
| 2013 | 5 | 6 |
| 2014 | 6 | 3 |
| 2015 | 3 | 11 |
| 2016 | 8 | 7 |
| 2017 | 7 | 7 |
| 2018 | 8 | 9 |
| 2019 | 6 | 10 |
| 2020 | 15 | 6 |
| 2021 | 8 | 4 |
| 2022 | 3 | 8 |
| 2023 | 7 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cylinder head3 Jun 2025US 12,320,282 B2Deutz Aktiengesellschaft
- Aerosol separator for separating aerosols in a blow-by gas15 Oct 2024US 12,115,478 B2Deere & Company
- Intake manifold for internal combustion engine, positive crankcase ventilation system including same, and internal combustion engine13 Feb 2024US 11,898,522 B1Honda Motor Co., Ltd.
- Oil separator for internal combustion engine5 Dec 2023US 11,834,974 B2Toyota Boshoku Kabushiki Kaisha
- Blow-by gas treating device and engine including blow-by gas treating device29 Aug 2023US 11,739,669 B2Kubota Corporation
- 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.
- Apparatuses and methods for a closed crankcase ventilation system of an internal combustion engine12 Mar 2026US 2026/0071563 A1Daimler Truck North America LLC
- Pressure equalization apparatus and use thereof11 Sep 2025US 2025/0283548 A1Carl Freudenberg KG
- Breather chamber structure for internal combustion engine19 Sep 2024US 2024/0309784 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Inertial gas-liquid separator having an inertial collector spaced from a nozzle structure85US 6,290,738 B1Nelson Industries, Inc. · 2001
- Flat low profile diesel engine crankcase ventilation filter72US 6,478,019 B2Nelson Industries, Inc. · 2002
- Multi-peripheral perimeter sealed flat panel coalescing filter element57US 6,478,018 B2Nelson Industries, Inc. · 2002
- Diesel engine crankcase ventilation filter49US 6,247,463 B1Nelson Industries, Inc. · 2001
- Oil separating device for a combustion engine44US 7,080,636 B2Dichtungstechnik G. Bruss GmbH & Co. KG · 2006