F01M 2011/1486
By considering duration of operation
Official title: {by considering duration of operation}
F01M2011/1486 (By considering duration of operation) appears on 27 US grants and 32 published applications in this corpus.
Search patents in F01M- Granted patents
- 27
- Published applications
- 32
- Assignees
- 19
- Inventors
- 79
- Latest grant
- 28 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 5 |
| 2013 | 3 | 3 |
| 2014 | 2 | 3 |
| 2015 | 2 | 0 |
| 2016 | 2 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 2 |
| 2019 | 2 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 2 |
| 2022 | 3 | 1 |
| 2023 | 2 | 1 |
| 2024 | 0 | 2 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Electronic fuel injection system and method for engines28 Mar 2023US 11,614,047 B2Kohler Co.
- Method and device for calculating consumption amount of engine oil of vehicle22 Nov 2022US 11,506,095 B1Hyundai Motor Company
- Systems and methods for reliably detecting wear metal particles in lubrication systems to avoid progressive damage15 Nov 2022US 11,499,454 B2Cummins Inc.
- Apparatus, device and computer implemented method for determining remaining life of engine oil in engine24 May 2022US 11,339,693 B2WäRtsilä Finland Oy
- Management Device and Management System for Work Machine5 Mar 2026US 2026/0063615 A1Hitachi Construction Machinery Co., Ltd.
- Information processing device18 Sep 2025US 2025/0291668 A1Toyota Jidosha Kabushiki Kaisha
- Methods and apparatus for managing fuel in oil26 Dec 2024US 2024/0426230 A1Jaguar Land Rover Limited
- Condition based oil management19 Sep 2024US 2024/0309783 A1Innio Jenbacher GmbH & Co OG
- Systems and methods for reliably detecting wear metal particles in lubrication systems to avoid progressive damage9 Feb 2023US 2023/0044685 A1Cummins Inc.
Most cited
By later US patents
- Method and apparatus for determining engine oil change intervals according to actual engine use87US 5,060,156 AFord Motor Company · 1991
- Engine oil monitoring system having an in-vehicle display of the current status of the oil65US 5,382,942 AFord Motor Company · 1995
- Method and apparatus for determining excessive engine oil usage36US 4,970,492 AFord Motor Company · 1990
- Method and apparatus for inferring engine oil temperature for use with an oil change indicator24US 5,633,796 AFord Motor Company · 1997
- Method of dynamically determining oil change intervals for internal combustion engines19US 5,530,647 AThermo King Corporation · 1996