F01M 2001/086
For lubricating gudgeon pins
Official title: {for lubricating gudgeon pins}
F01M2001/086 (For lubricating gudgeon pins) appears on 67 US grants and 39 published applications in this corpus.
Search patents in F01M- Granted patents
- 67
- Published applications
- 39
- Assignees
- 49
- Inventors
- 137
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 2 |
| 2003 | 5 | 5 |
| 2004 | 3 | 2 |
| 2005 | 0 | 1 |
| 2006 | 2 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 1 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 2 |
| 2017 | 2 | 2 |
| 2018 | 2 | 1 |
| 2019 | 1 | 7 |
| 2020 | 1 | 0 |
| 2021 | 0 | 4 |
| 2022 | 4 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Lubrication system for a pin joint of an engine piston, an engine piston, and a method of lubricating a pin joint of an engine piston12 Aug 2025US 12,385,447 B2Cummins Inc.
- Lubricating mechanism of pin connection pair of internal combustion engine11 Jun 2024US 12,007,024 B2Mahle Automotive Technologies (China) Co., Ltd.
- Method for controlling lubrication of a connecting rod bearing26 Dec 2023US 11,852,056 B2Volvo Truck Corporation
- Device and method for lubricating a connecting rod bearing14 Jun 2022US 11,359,525 B2Man Truck & Bus AG
- Nozzle for cooling engine pistons12 Apr 2022US 11,300,019 B2Volvo Truck Corporation
- Lubrication system for a pin joint of an engine piston, an engine piston, and a method of lubricating a pin joint of an engine piston15 Aug 2024US 2024/0271586 A1Cummins Inc.
- Lubricating mechanism of pin connection pair of internal combustion engine14 Apr 2022US 2022/0112952 A1Mahle Automotive Technologies (China) Co., Ltd.
- A nozzle for cooling engine pistons12 Aug 2021US 2021/0246815 A1Volvo Truck Corporation
- Internal-Combustion Engine Piston and Method for Controlling Cooling of Internal-Combustion Engine Piston8 Apr 2021US 2021/0102511 A1Hitachi Automotive Systems, Ltd.
- Method for controlling lubrication of a connecting rod bearing18 Mar 2021US 2021/0079818 A1Volvo Truck Corporation
Most cited
By later US patents
- Two-piece piston assembly53US 4,377,967 AMack Trucks, Inc. · 1983
- Coolable trunk piston for internal combustion engines40US 5,052,280 AMahle GmbH · 1991
- Reduced flow bearing32US 5,009,522 AGeneral Motors Corporation · 1991
- Articulated piston with a cooling recess having a preestablished volume therein30US 4,986,167 ACaterpillar Inc. · 1991
- Reciprocating piston engines having piston oil cooling29US 4,010,718 APerkins Engines Company Limited · 1977