F01M 2013/0083
Crankcase pressure
Official title: {Crankcase pressure}
F01M2013/0083 (Crankcase pressure) appears on 76 US grants and 84 published applications in this corpus.
Search patents in F01M- Granted patents
- 76
- Published applications
- 84
- Assignees
- 44
- Inventors
- 176
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 2 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 1 | 5 |
| 2015 | 3 | 3 |
| 2016 | 4 | 6 |
| 2017 | 3 | 3 |
| 2018 | 4 | 5 |
| 2019 | 1 | 5 |
| 2020 | 15 | 18 |
| 2021 | 8 | 7 |
| 2022 | 13 | 5 |
| 2023 | 4 | 3 |
| 2024 | 4 | 7 |
| 2025 | 7 | 4 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Crankcase ventilation systems including integrated sensors and controller4 Nov 2025US 12,460,564 B2Cummins Filtration Inc.
- Liquid separator system4 Nov 2025US 12,460,565 B2LTH Holdings Pty Ltd
- System and apparatus for a diagnostic breather dryer having a coupleable expansion pack21 Oct 2025US 12,448,906 B2Des-Case Corporation
- Method for diagnosing a crankcase system of an internal combustion engine, and internal combustion engine22 Jul 2025US 12,366,187 B2Volkswagen Aktiengesellschaft
- Method and system for positive crankcase ventilation (PCV) diagnostics8 Jul 2025US 12,352,189 B2Ford Global Technologies, LLC
- Method and control arrangement for estimating a crankcase ventilation flow rate30 Jul 2026US 2026/0218638 A1Scania CV AB
- Polymeric vascular grafts which induce neovascularization with mild to minimal inflammation and promotion of fibrovascular tissue9 Apr 2026US 2026/0098490 A1Venostent, Inc.
- Liquid separator system26 Feb 2026US 2026/0055716 A1LTH Holdings Pty Ltd
- Breather system for a crankcase8 Jan 2026US 2026/0009347 A1Hengst GmbH & Co. KG
- Closed Crankcase Ventilation System and Internal Combustion Engine11 Dec 2025US 2025/0376965 A1DAF Trucks N. V.
Most cited
By later US patents
- Blowby mist separator and regulator system for an enclosed crankcase19US 5,697,349 ACaterpillar Inc. · 1997
- Engine crankcase gas blow-by sensor18US 6,575,022 B1Cummins Engine Company, Inc. · 2003
- Device for the ventilation of the crankcase of an internal combustion engine14US 7,100,587 B2Hengst GmbH & Co. KG · 2006
- Method and systems for exhaust gas recirculation valve diagnosis based on crankcase pressure13US 9,612,174 B2General Electric Company · 2017
- Valve assembly and method for controlling flow of gases from an engine crankcase to an engine intake manifold12US 6,807,958 B2Ford Global Technologies, LLC · 2004