F01M 1/16
Controlling lubricant pressure or quantity
Official title: Controlling lubricant pressure or quantity (rendering machines or engines inoperative or idling on lubricant pressure failure F01M1/22)
F01M1/16 (Controlling lubricant pressure or quantity) appears on 556 US grants and 564 published applications in this corpus.
Search patents in F01M- Granted patents
- 556
- Published applications
- 564
- Assignees
- 247
- Inventors
- 1,315
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 10 | 0 |
| 1990 | 6 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 10 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 10 | 0 |
| 2000 | 9 | 0 |
| 2001 | 6 | 3 |
| 2002 | 5 | 7 |
| 2003 | 7 | 6 |
| 2004 | 3 | 9 |
| 2005 | 6 | 17 |
| 2006 | 10 | 12 |
| 2007 | 6 | 7 |
| 2008 | 7 | 11 |
| 2009 | 3 | 12 |
| 2010 | 9 | 18 |
| 2011 | 10 | 15 |
| 2012 | 7 | 34 |
| 2013 | 21 | 29 |
| 2014 | 26 | 39 |
| 2015 | 25 | 36 |
| 2016 | 32 | 49 |
| 2017 | 27 | 45 |
| 2018 | 44 | 49 |
| 2019 | 43 | 31 |
| 2020 | 46 | 40 |
| 2021 | 34 | 24 |
| 2022 | 32 | 17 |
| 2023 | 22 | 13 |
| 2024 | 8 | 9 |
| 2025 | 14 | 17 |
| 2026 | 8 | 15 |
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
- Refrigerant circulation system29 Sep 2026US 12,747,898 B2Mazda Motor Corporation
- Carbon dioxide energy storage system, lubricating oil supply device thereof, and control method therefor28 Jul 2026US 12,692,985 B1Exax Energy Technology (Shenzhen) Co., Ltd
- System and method for operating a lubrication system with mechanical control21 Jul 2026US 12,687,122 B2GM Global Technology Operations LLC
- Oil pressure control system and control method thereof23 Jun 2026US 12,662,952 B2Industrial Technology Research Institute
- Systems and methods of lubrication of engines24 Sep 2026US 2026/0286869 A1Cummins Power Generation Inc.
- Mechanism for online continuous purification of hydraulic and/or lubricating oil using available system pressure24 Sep 2026US 2026/0286991 A1
- Discharge apparatus10 Sep 2026US 2026/0266205 A1Isuzu Motors Limited
- Oil supply apparatus for engine25 Jun 2026US 2026/0176989 A1Mazda Motor Corporation
- Lubrication system for an internal combustion engine25 Jun 2026US 2026/0176992 A1DAF Trucks N. V.
Most cited
By later US patents
- Engine having a high pressure hydraulic system and low pressure lubricating system131US 6,067,962 ACaterpillar Inc. · 2000
- Lubricant supply device84US 4,271,928 AROLLS-ROYCE plc · 1981
- Lubrication and cooling system for a powertrain including an electric motor73US 5,217,085 AFord Motor Company · 1993
- Lubrication system with an oil bypass valve62US 5,339,776 AChrysler Corporation · 1994
- Lubricant circulation diagnostic and modeling system59US 5,968,371 ANelson Industries, Inc. · 1999