F01M 5/025
By prelubricating
Official title: {by prelubricating, e.g. using an accumulator}
F01M5/025 (By prelubricating) appears on 102 US grants and 59 published applications in this corpus.
Search patents in F01M- Granted patents
- 102
- Published applications
- 59
- Assignees
- 49
- Inventors
- 187
- Latest grant
- 26 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 10 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 0 |
| 2003 | 3 | 3 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 3 | 4 |
| 2007 | 1 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 8 |
| 2011 | 3 | 5 |
| 2012 | 2 | 3 |
| 2013 | 4 | 6 |
| 2014 | 2 | 5 |
| 2015 | 5 | 4 |
| 2016 | 4 | 2 |
| 2017 | 4 | 2 |
| 2018 | 0 | 3 |
| 2019 | 1 | 1 |
| 2020 | 3 | 3 |
| 2021 | 4 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Coupling member, pump-priming device, and method of priming an internal combustion engine26 Mar 2024US 11,940,011 B2TCM Engine Products, LLC
- Lubrication system with anti-priming feature8 Aug 2023US 11,719,128 B2Pratt & Whitney Canada Corp.
- Pre-lubrication and skip fire operations during engine cranking21 Dec 2021US 11,203,954 B2Cummins Inc.
- Cooling system for vehicle driving apparatus12 Oct 2021US 11,143,288 B2Toyota Jidosha Kabushiki Kaisha
- Oil supply unit and motor vehicle17 Aug 2021US 11,092,047 B2Ford Global Technologies, LLC
- Systems and methods of lubrication of engines24 Sep 2026US 2026/0286869 A1Cummins Power Generation Inc.
- Internal combustion engine arranged with the crankshaft at the top and corresponding control method20 Nov 2025US 2025/0354505 A1
- Lubrication system with anti-priming feature12 Jan 2023US 2023/0010133 A1Pratt & Whitney Canada Corp.
- Pre-lubrication and skip fire operations during engine cranking28 Jan 2021US 2021/0025298 A1Cummins Inc.
- Coupling Member, Pump-Priming Device, and Method of Priming an Internal Combustion Engine22 Oct 2020US 2020/0332837 A1TCM Engine Products, LLC
Most cited
By later US patents
- Power train system for a vehicle and method for operating same136US 6,048,288 AToyota Jidosha Kabushiki Kaisha · 2000
- Use of traction inverter for supplying power for non-traction applications67US 6,023,137 AGeneral Electric Company · 2000
- Fluid contaminate filtration system including a filter, a contaminate particle trap, and a cold start fluid circulation system61US 5,089,129 A1992
- Engine preoiler and lubricant reservoir45US 4,094,293 A1978
- Engine pre-oiler35US 4,061,204 A1977