F01M 2250/66
Vehicle speed
F01M2250/66 (Vehicle speed) appears on 13 US grants and 11 published applications in this corpus.
Search patents in F01M- Granted patents
- 13
- Published applications
- 11
- Assignees
- 13
- Inventors
- 50
- Latest grant
- 28 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 4 |
| 2019 | 2 | 0 |
| 2020 | 1 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Wireless drain plug28 May 2024US 11,994,047 B2Aktv8 LLC
- Method and device for warning of insufficient engine oil for a vehicle17 Oct 2023US 11,788,447 B2Hyundai Motor Company
- System for detecting abnormality in blow-by gas feed path in internal combustion engine8 Feb 2022US 11,242,814 B2Toyota Jidosha Kabushiki Kaisha
- Method and system for engine oil level sensing1 Sep 2020US 10,760,460 B1Ford Global Technologies, LLC
- Method for determining a degree of loading of a filter24 Dec 2019US 10,512,874 B2Deere & Company
- Device for detecting drop of oil pressure13 Mar 2025US 2025/0084776 A1Hyundai Motor Company
- Wireless drain plug20 Jul 2023US 2023/0228204 A1Aktv8 LLC
- Method and device for warning of insufficient engine oil for a vehicle8 Jun 2023US 2023/0175421 A1Hyundai Motor Company
- System for detecting abnormality in blow-by gas feed path in internal combustion engine3 Dec 2020US 2020/0378329 A1Toyota Jidosha Kabushiki Kaisha
- Method for diagnosing sticking of lubrication control valve of hybrid vehicle11 Jun 2020US 2020/0182110 A1Hyundai Motor Company
Most cited
By later US patents
- Lubrication system with an oil bypass valve62US 5,339,776 AChrysler Corporation · 1994
- Oil degradation warning system45US 4,706,193 ANissan Motor Co., Ltd. · 1987
- Engine lubricant type and condition monitoring system21US 4,694,793 ANissan Motor Co., Ltd. · 1987
- Process for determining a liquid quantity, particularly an engine oil quantity in a motor vehicle15US 5,831,154 AMercedes-Benz AG · 1998
- Exhaust gas purification system for internal combustion engine10US 6,860,101 B2Toyota Jidosha Kabushiki Kaisha · 2005