F01M 2011/021
For lubricating auxiliaries
Official title: {for lubricating auxiliaries, e.g. pumps or turbo chargers}
F01M2011/021 (For lubricating auxiliaries) appears on 108 US grants and 114 published applications in this corpus.
Search patents in F01M- Granted patents
- 108
- Published applications
- 114
- Assignees
- 63
- Inventors
- 266
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 3 |
| 2005 | 2 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 3 |
| 2008 | 2 | 1 |
| 2009 | 0 | 6 |
| 2010 | 1 | 4 |
| 2011 | 2 | 1 |
| 2012 | 9 | 3 |
| 2013 | 2 | 5 |
| 2014 | 1 | 3 |
| 2015 | 4 | 10 |
| 2016 | 2 | 4 |
| 2017 | 6 | 8 |
| 2018 | 8 | 12 |
| 2019 | 11 | 17 |
| 2020 | 11 | 7 |
| 2021 | 13 | 10 |
| 2022 | 12 | 7 |
| 2023 | 6 | 2 |
| 2024 | 4 | 5 |
| 2025 | 4 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pressurized oil system powered by two-stroke engine11 Nov 2025US 12,467,391 B2Arctic Cat Inc.
- Compressor seal system10 Jun 2025US 12,326,094 B2Cummins Inc.
- Internal combustion engine and lubrication system thereof29 Apr 2025US 12,286,924 B2Brp-Rotax GmbH & Co. KG
- Internal combustion engine and lubrication system thereof7 Jan 2025US 12,188,401 B2Brp-Rotax GmbH & Co. KG
- High pressure fuel pump lubrication method and apparatus1 Oct 2024US 12,104,564 B2Caterpillar Motoren GmbH & Co. KG
- Pressurized oil system powered by two-stroke engine12 Feb 2026US 2026/0043341 A1Arctic Cat Inc.
- Pressurized oil system powered by two-stroke engine17 Oct 2024US 2024/0344469 A1Arctic Cat Inc.
- High pressure fuel pump lubrication method and apparatus11 Jul 2024US 2024/0229754 A9Caterpillar Motoren GmbH & Co. KG
- High pressure fuel pump lubrication method and apparatus25 Apr 2024US 2024/0133356 A1Caterpillar Motoren GmbH & Co. KG
- Internal combustion engine and lubrication system thereof22 Feb 2024US 2024/0060434 A1Brp-Rotax GmbH & Co. KG
Most cited
By later US patents
- Exhaust back pressure control system39US 5,079,921 ANavistar International Transporation Corp. · 1992
- Cooling an electrically controlled turbocharger35US 7,946,118 B2EcoMotors International · 2011
- Turbo system and method of installing25US 6,745,568 B12004
- Turbocharger system for internal combustion engine with internal isolated turbocharger oil drainback passage20US 8,234,867 B2Ford Global Technologies, LLC · 2012
- Duplex engine oil separator18US 3,978,671 ACessna Aircraft Company · 1976