F01M 5/00
Heating, cooling, or controlling temperature of lubricant
Official title: Heating, cooling, or controlling temperature of lubricant (arrangement of lubricant coolers in engine cooling system F01P11/08); Lubrication means facilitating engine starting
F01M5/00 (Heating, cooling, or controlling temperature of lubricant) appears on 982 US grants and 820 published applications in this corpus.
Search patents in F01M- Granted patents
- 982
- Published applications
- 820
- Assignees
- 379
- Inventors
- 2,066
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 8 | 0 |
| 1980 | 2 | 0 |
| 1981 | 7 | 0 |
| 1982 | 8 | 0 |
| 1983 | 12 | 0 |
| 1984 | 9 | 0 |
| 1985 | 17 | 0 |
| 1986 | 7 | 0 |
| 1987 | 14 | 0 |
| 1988 | 6 | 0 |
| 1989 | 13 | 0 |
| 1990 | 12 | 0 |
| 1991 | 11 | 0 |
| 1992 | 6 | 0 |
| 1993 | 11 | 0 |
| 1994 | 13 | 0 |
| 1995 | 13 | 0 |
| 1996 | 19 | 0 |
| 1997 | 9 | 0 |
| 1998 | 13 | 0 |
| 1999 | 18 | 0 |
| 2000 | 16 | 0 |
| 2001 | 10 | 5 |
| 2002 | 23 | 20 |
| 2003 | 18 | 17 |
| 2004 | 10 | 12 |
| 2005 | 11 | 16 |
| 2006 | 14 | 22 |
| 2007 | 11 | 9 |
| 2008 | 10 | 18 |
| 2009 | 7 | 22 |
| 2010 | 13 | 33 |
| 2011 | 14 | 32 |
| 2012 | 18 | 51 |
| 2013 | 33 | 43 |
| 2014 | 28 | 36 |
| 2015 | 30 | 54 |
| 2016 | 44 | 57 |
| 2017 | 53 | 56 |
| 2018 | 53 | 67 |
| 2019 | 69 | 57 |
| 2020 | 53 | 56 |
| 2021 | 46 | 31 |
| 2022 | 55 | 29 |
| 2023 | 36 | 32 |
| 2024 | 29 | 19 |
| 2025 | 23 | 14 |
| 2026 | 10 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Temperature raising mechanism for blow-by gas treatment device and engine provided with temperature raising mechanism for blow-by gas treatment device11 Aug 2026US 12,704,083 B2Kubota Corporation
- System and method for operating a lubrication system with mechanical control21 Jul 2026US 12,687,122 B2GM Global Technology Operations LLC
- Condition based oil management30 Jun 2026US 12,669,075 B2Innio Jenbacher GmbH & Co OG
- Thermal storage materials and applications thereof5 May 2026US 12,618,346 B2Brandeis University
- Bearing assembly with internal prime-retaining pressurized lubrication system14 Apr 2026US 12,601,375 B2Flowserve Pte. Ltd.
- Systems and methods of lubrication of engines24 Sep 2026US 2026/0286869 A1Cummins Power Generation Inc.
- Oil supply system and valve control device24 Sep 2026US 2026/0286870 A1Isuzu Motors Limited
- Oil temperature regulation assembly3 Sep 2026US 2026/0258739 A1
- Vehicle cooling device30 Jul 2026US 2026/0218634 A1Honda Motor Co., Ltd.
- Lubricating Oil Filter Base Assembly and Lubricating Oil Filter Radiator Assembly2 Jul 2026US 2026/0185469 A1Wenzhou Dexin Auto Parts Co., Ltd.
Most cited
By later US patents
- Fracturing device144US 11,143,006 B1Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. · 2021
- Power train system for a vehicle and method for operating same136US 6,048,288 AToyota Jidosha Kabushiki Kaisha · 2000
- Lubrication fluid filtering and cooling assembly101US 4,324,213 ACummins Engine Company, Inc. · 1982
- Fracturing device, firefighting method thereof and computer readable storage medium86US 11,506,039 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. · 2022
- By-pass values for heat exchanger80US 6,253,837 B1Long Manufacturing Ltd. · 2001