F01M 11/08
Separating lubricant from air or fuel-air mixture before entry into cylinder
Official title: Separating lubricant from air or fuel-air mixture before entry into cylinder (separating in general B01D)
F01M11/08 (Separating lubricant from air or fuel-air mixture before entry into cylinder) appears on 51 US grants and 53 published applications in this corpus.
Search patents in F01M- Granted patents
- 51
- Published applications
- 53
- Assignees
- 40
- Inventors
- 119
- Latest grant
- 23 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 3 | 2 |
| 2014 | 0 | 1 |
| 2015 | 3 | 5 |
| 2016 | 2 | 6 |
| 2017 | 4 | 4 |
| 2018 | 5 | 7 |
| 2019 | 4 | 6 |
| 2020 | 6 | 5 |
| 2021 | 5 | 5 |
| 2022 | 3 | 2 |
| 2023 | 3 | 1 |
| 2024 | 2 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Part for a turbomachine centrifugal breather having a filtering mesh23 Apr 2024US 11,965,440 B2Safran
- Integral centrifugal degasser9 Apr 2024US 11,952,925 B2Safran Helicopter Engines
- Lubrication system for aerial vehicles19 Sep 2023US 11,761,350 B2Ge Aviation Czech S.R.O.
- Combined power system18 Apr 2023US 11,629,636 B2Honda Motor Co., Ltd.
- Multi-function oil tank21 Feb 2023US 11,585,239 B2ROLLS-ROYCE plc
- Active control of gearbox case pressure30 Oct 2025US 2025/0334078 A1Hamilton Sundstrand Corporation
- Rotor for a turbomachine centrifugal breather14 Mar 2024US 2024/0084717 A1Safran Helicopter Engines
- Combined power system16 Feb 2023US 2023/0047255 A1Honda Motor Co., Ltd.
- Lubrication system for aerial vehicles6 Oct 2022US 2022/0316360 A1Ge Aviation Czech S.R.O.
- Rotary piston engine having optimized internal cooling of intake air4 Aug 2022US 2022/0243645 A1
Most cited
By later US patents
- Fuel supply device of an engine36US 4,962,745 AToyota Jidosha Kabushiki Kaisha · 1990
- Four-cycle internal combustion engine21US 7,073,482 B22006
- Duplex engine oil separator18US 3,978,671 ACessna Aircraft Company · 1976
- Oil deflector in an oil pan for an internal combustion engine12US 6,729,292 B1DaimlerChrysler AG · 2004
- Device for supplying pressure medium and/or lubricant to a hydraulic consumer in an internal combustion engine9US 6,053,137 ADr. Ing. h,c.F. Porsche Aktiengesellschaft · 2000