F01M 2011/1446
By considering pressure
Official title: {by considering pressure}
F01M2011/1446 (By considering pressure) appears on 32 US grants and 34 published applications in this corpus.
Search patents in F01M- Granted patents
- 32
- Published applications
- 34
- Assignees
- 30
- Inventors
- 81
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 3 | 3 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 2 |
| 2015 | 2 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 5 |
| 2019 | 2 | 4 |
| 2020 | 7 | 1 |
| 2021 | 0 | 1 |
| 2022 | 4 | 3 |
| 2023 | 3 | 4 |
| 2024 | 1 | 0 |
| 2025 | 2 | 3 |
| 2026 | 2 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Oil condition estimation device and oil condition estimation method1 Sep 2026US 12,723,527 B2Isuzu Motors Limited
- Controller, method, and engine system for engine crank control18 Aug 2026US 12,710,002 B2Cummins Power Generation Inc.
- Method and apparatus for engine oil dilution analysis24 Jun 2025US 12,339,271 B2Toyota Motor Engineering & Manufacturing North America, Inc.
- Leakage detection device for PCV passage, and vehicle10 Jun 2025US 12,326,105 B2Subaru Corporation
- Synchronization of lubricant system service25 Jun 2024US 12,018,600 B2Cummins Filtration IP, Inc.
- Oil condition estimation device and oil condition estimation method25 Dec 2025US 2025/0389214 A1Isuzu Motors Limited
- Controller, method, and engine system for engine crank control27 Nov 2025US 2025/0361824 A1Cummins Power Generation Inc.
- Engine oil system health monitoring using oil level sensor1 May 2025US 2025/0137883 A1Progress Rail Locomotive Inc.
- Leakage detection device for pcv passage, and vehicle7 Dec 2023US 2023/0392526 A1Subaru Corporation
- Method and apparatus for engine oil dilution analysis5 Oct 2023US 2023/0314403 A1Toyota Motor Engineering & Manufacturing North America, Inc.
Most cited
By later US patents
- Method and device for operating an internal combustion engine25US 7,080,547 B2Robert Bosch GmbH · 2006
- Apparatus and method for determining oil change based upon oil viscosity15US 6,901,788 B2Delphi Technologies, Inc. · 2005
- Method and system for estimating engine oil life based on viscosity11US 8,109,138 B2GM Global Technology Operations LLC · 2012
- Oil maintenance indicator10US 6,484,127 B1Volvo Trucks North America, Inc. · 2002
- Engine and ventilation system9US 7,426,924 B2Caterpillar Inc. · 2008