F01M 2011/038
Comprising lubricant-air separators
Official title: {comprising lubricant-air separators}
F01M2011/038 (Comprising lubricant-air separators) appears on 37 US grants and 37 published applications in this corpus.
Search patents in F01M- Granted patents
- 37
- Published applications
- 37
- Assignees
- 25
- Inventors
- 86
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 2 | 1 |
| 2017 | 0 | 3 |
| 2018 | 1 | 6 |
| 2019 | 3 | 1 |
| 2020 | 4 | 3 |
| 2021 | 0 | 1 |
| 2022 | 7 | 4 |
| 2023 | 2 | 2 |
| 2024 | 6 | 5 |
| 2025 | 3 | 4 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Oil deaerator device with reservoir provided with a stabilizing wall15 Sep 2026US 12,736,000 B2Safran Aero Boosters SA
- Lubrication system with pump feed from de-aerator7 Jul 2026US 12,674,415 B2Pratt & Whitney Canada Corp.
- Oil tank for a turbomachine with negative-G-compatible cyclonic circulation17 Mar 2026US 12,577,890 B2Safran Aero Boosters SA
- Small air-cooled engine assembly with dry sump lubrication system16 Sep 2025US 12,416,252 B2Briggs & Stratton Corporation
- Dynamic deaeration system17 Jun 2025US 12,330,089 B2Pratt & Whitney Canada Corp.
- Air-oil separation system for an oil sump in a gas turbine engine30 Jul 2026US 2026/0218635 A1General Electric Company
- Oil system breather configuration to capture oil emissions25 Dec 2025US 2025/0389207 A1Rtx Corporation
- Oil tank for a turbomachine with negative-g-compatible cyclonic circulation11 Dec 2025US 2025/0376934 A1Safran Aero Boosters SA
- Oil deaerator device with reservoir provided with a stabilizing wall25 Sep 2025US 2025/0297562 A1Safran Aero Boosters SA
- Lubrication system with pump feed from de-aerator26 Jun 2025US 2025/0207531 A1Pratt & Whitney Canada Corp.
Most cited
By later US patents
- Oil filter I81US 4,997,556 AMitsubishi Oil Co., Ltd. · 1991
- Multi-attitude deaerator for oil tank51US 5,587,068 AUnited Technologies Corporation · 1996
- Magnetic filter-separator having rotatable helical rods35US 6,162,357 ABoston Bay International, Inc. · 2000
- Structural assembly with an oil filter for an internal combustion engine19US 6,517,710 B2Filterwerk Mann & Hummel GmbH · 2003
- Small air-cooled engine assembly with dry sump lubrication system10US 9,903,241 B2Briggs & Stratton Corporation · 2018