F16N 39/00
Arrangements for conditioning of lubricants in the lubricating system
Official title: Arrangements for conditioning of lubricants in the lubricating system (cleaning of lubricating oil, lubricating compositions C10M)
F16N39/00 (Arrangements for conditioning of lubricants in the lubricating system) appears on 620 US grants and 500 published applications in this corpus.
Search patents in F16N- Granted patents
- 620
- Published applications
- 500
- Assignees
- 350
- Inventors
- 1,365
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 10 | 0 |
| 1981 | 9 | 0 |
| 1982 | 5 | 0 |
| 1983 | 8 | 0 |
| 1984 | 4 | 0 |
| 1985 | 8 | 0 |
| 1986 | 6 | 0 |
| 1987 | 11 | 0 |
| 1988 | 9 | 0 |
| 1989 | 13 | 0 |
| 1990 | 14 | 0 |
| 1991 | 13 | 0 |
| 1992 | 13 | 0 |
| 1993 | 14 | 0 |
| 1994 | 16 | 0 |
| 1995 | 9 | 0 |
| 1996 | 12 | 0 |
| 1997 | 12 | 0 |
| 1998 | 13 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 0 |
| 2002 | 6 | 3 |
| 2003 | 3 | 8 |
| 2004 | 3 | 5 |
| 2005 | 5 | 10 |
| 2006 | 6 | 10 |
| 2007 | 7 | 7 |
| 2008 | 1 | 2 |
| 2009 | 6 | 8 |
| 2010 | 5 | 8 |
| 2011 | 6 | 16 |
| 2012 | 8 | 13 |
| 2013 | 10 | 22 |
| 2014 | 10 | 15 |
| 2015 | 12 | 22 |
| 2016 | 13 | 17 |
| 2017 | 18 | 21 |
| 2018 | 18 | 47 |
| 2019 | 29 | 37 |
| 2020 | 35 | 51 |
| 2021 | 33 | 42 |
| 2022 | 37 | 28 |
| 2023 | 37 | 32 |
| 2024 | 39 | 33 |
| 2025 | 30 | 25 |
| 2026 | 19 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16N 39/06Arrangements for conditioning of lubricants in the lubricating system: by filtration248
- F16N 39/002Arrangements for conditioning of lubricants in the lubricating system: by deaeration137
- F16N 39/02Arrangements for conditioning of lubricants in the lubricating system: by cooling132
- F16N 39/04Arrangements for conditioning of lubricants in the lubricating system: by heating63
- F16N 39/005Arrangements for conditioning of lubricants in the lubricating system: by evaporating or39
- F16N 39/08Arrangements for conditioning of lubricants in the lubricating system: by diluting9
- F16N 2039/007Arrangements for conditioning of lubricants in the lubricating system: using strainersIndexing code8
Recent patents
- Vehicle oil cooling circuits6 Oct 2026US 12,753,878 B2Caterpillar Inc.
- Control block for a lubrication system, and a lubrication system8 Sep 2026US 12,729,810 B2Skf Lubrication Systems Germany GmbH
- Magnetic nanolubricant filtration system for high-efficiency compressors1 Sep 2026US 12,722,160 B1Kuwait University
- Mechanical lubricating oil system with kidney loop system28 Jul 2026US 12,692,977 B2Stewart & Stevenson LLC
- System and method for deaeration7 Jul 2026US 12,673,275 B2Donaldson Company, Inc.
- System and method for deaeration1 Oct 2026US 2026/0295469 A1Donaldson Company, Inc.
- Multi-function automatic grease injection pump including multiple discharge ports and having independently driven multi-stage structure24 Sep 2026US 2026/0287116 A1Ahwon Corporation
- Alternate lubrication mechanisms for vehicle bearings oil baffles and traps17 Sep 2026US 2026/0276145 A1Rtx Corporation
- An oil recovery system17 Sep 2026US 2026/0276146 A1Corsaer Holding B.V.
- Cooling and lubricating system for hybrid powertrain20 Aug 2026US 2026/0243392 A1Jing-Jin Electric Technologies Co., Ltd.
Most cited
By later US patents
- Fracturing device144US 11,143,006 B1Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. · 2021
- High-low pressure lubrication system for high-horsepower plunger pump139US 10,859,203 B1American Jereh International Corporation · 2020
- Propfan turbine engine102US 4,887,424 AMotoren- und Turbinen-Union Munchen GmbH · 1989
- Lubricating system for gas turbine engines and pump for such a system88US 4,714,139 AMTU Motoren- und Turbinen-Union Muenchen GmbH · 1987
- Lubrication and cooling system for a powertrain including an electric motor73US 5,217,085 AFord Motor Company · 1993