F16N 39/002
Arrangements for conditioning of lubricants in the lubricating system: by deaeration
Official title: {by deaeration (degasification of liquids B01D19/00)}
F16N39/002 (Arrangements for conditioning of lubricants in the lubricating system: by deaeration) appears on 137 US grants and 107 published applications in this corpus.
Search patents in F16N- Granted patents
- 137
- Published applications
- 107
- Assignees
- 82
- Inventors
- 289
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 3 |
| 2004 | 0 | 0 |
| 2005 | 1 | 3 |
| 2006 | 2 | 4 |
| 2007 | 2 | 2 |
| 2008 | 0 | 0 |
| 2009 | 3 | 2 |
| 2010 | 0 | 2 |
| 2011 | 1 | 2 |
| 2012 | 3 | 5 |
| 2013 | 4 | 4 |
| 2014 | 3 | 0 |
| 2015 | 3 | 3 |
| 2016 | 2 | 6 |
| 2017 | 3 | 3 |
| 2018 | 2 | 12 |
| 2019 | 10 | 7 |
| 2020 | 7 | 9 |
| 2021 | 4 | 12 |
| 2022 | 7 | 6 |
| 2023 | 13 | 2 |
| 2024 | 9 | 7 |
| 2025 | 8 | 5 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for deaeration7 Jul 2026US 12,673,275 B2Donaldson Company, Inc.
- Lubrication system with pump feed from de-aerator7 Jul 2026US 12,674,415 B2Pratt & Whitney Canada Corp.
- Hydraulically driven de-oiler for gas turbine engines2 Jun 2026US 12,644,394 B2Rtx Corporation
- Static de-aerator and lubricant system26 May 2026US 12,637,962 B2Pratt & Whitney Canada Corp.
- Air purging arrangement12 May 2026US 12,624,659 B2Pratt & Whitney Canada Corp.
- System and method for deaeration1 Oct 2026US 2026/0295469 A1Donaldson Company, Inc.
- Tank and rotating electric machine system13 Aug 2026US 2026/0235255 A1Honda Motor Co., Ltd.
- De-aerator seal of oil system25 Jun 2026US 2026/0176981 A1Pratt & Whitney Canada Corp.
- Oil Distribution System for Aircraft Engine with Make-Up Flow21 May 2026US 2026/0139625 A1Pratt & Whitney Canada Corp.
- Construction Machine26 Mar 2026US 2026/0085500 A1Hitachi Construction Machinery Co., Ltd.
Most cited
By later US patents
- Apparatus for separating suspensions of liquids in gas47US 4,049,401 ARolls-Royce (1971) Limited · 1977
- Torque transmitting deaerating apparatus35US 4,755,197 ASundstrand Corporation · 1988
- Method of scavenging air and oil and gear pump therefor35US 5,004,407 ASundstrand Corporation · 1991
- Dry sump lubrication system for an internal combustion engine33US 4,681,189 A1987
- Air/oil separation system and method33US 7,063,734 B2Pratt & Whitney Canada Corp. · 2006