F01M 2250/00
Measuring
F01M2250/00 (Measuring) appears on 164 US grants and 179 published applications in this corpus.
Search patents in F01M- Granted patents
- 164
- Published applications
- 179
- Assignees
- 110
- Inventors
- 502
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 2 | 2 |
| 2006 | 2 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 5 |
| 2012 | 0 | 1 |
| 2013 | 1 | 4 |
| 2014 | 1 | 2 |
| 2015 | 5 | 3 |
| 2016 | 1 | 7 |
| 2017 | 1 | 6 |
| 2018 | 4 | 14 |
| 2019 | 9 | 17 |
| 2020 | 14 | 22 |
| 2021 | 18 | 19 |
| 2022 | 36 | 23 |
| 2023 | 18 | 17 |
| 2024 | 10 | 7 |
| 2025 | 13 | 14 |
| 2026 | 7 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Engine control apparatus6 Oct 2026US 12,753,734 B2Subaru Corporation
- Dry sump engine29 Sep 2026US 12,747,683 B2Toyota Jidosha Kabushiki Kaisha
- Method for positive crankshaft ventilation diagnosis15 Sep 2026US 12,736,001 B2Phinia Delphi Luxembourg Sarl
- Oil pressure control system and control method thereof23 Jun 2026US 12,662,952 B2Industrial Technology Research Institute
- Autonomous oil change system19 May 2026US 12,631,134 B2Rpm Industries, LLC
- Oil supply system and valve control device24 Sep 2026US 2026/0286870 A1Isuzu Motors Limited
- Discharge apparatus10 Sep 2026US 2026/0266205 A1Isuzu Motors Limited
- Control device for internal combustion engine13 Aug 2026US 2026/0235055 A1Toyota Jidosha Kabushiki Kaisha
- System and Method for Monitoring and Treating Wind Turbine Gear Oil30 Jul 2026US 2026/0218636 A1China Datang Corporation Science and Technology General Research Institute Co.Ltd
- Method and control arrangement for estimating a crankcase ventilation flow rate30 Jul 2026US 2026/0218638 A1Scania CV AB
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
- Oil degradation warning system44US 4,796,204 ANissan Motor Co., Ltd. · 1989
- Oil injection lubrication system and methods for two-cycle engines34US 6,422,183 B1Sanshin Kogyo Kabushiki Kaisha · 2002
- Centrifugal separating filter31US 5,779,618 AKomatsu Ltd. · 1998