F01L 2810/02
Lubrication
F01L2810/02 (Lubrication) appears on 371 US grants and 402 published applications in this corpus.
Search patents in F01L- Granted patents
- 371
- Published applications
- 402
- Assignees
- 139
- Inventors
- 852
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 6 |
| 2003 | 4 | 2 |
| 2004 | 3 | 3 |
| 2005 | 1 | 4 |
| 2006 | 4 | 5 |
| 2007 | 5 | 6 |
| 2008 | 6 | 10 |
| 2009 | 0 | 15 |
| 2010 | 10 | 18 |
| 2011 | 11 | 23 |
| 2012 | 13 | 13 |
| 2013 | 16 | 14 |
| 2014 | 16 | 13 |
| 2015 | 9 | 21 |
| 2016 | 11 | 35 |
| 2017 | 23 | 47 |
| 2018 | 40 | 30 |
| 2019 | 28 | 33 |
| 2020 | 43 | 34 |
| 2021 | 32 | 30 |
| 2022 | 26 | 23 |
| 2023 | 15 | 5 |
| 2024 | 9 | 4 |
| 2025 | 11 | 4 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Valve open and close period control device23 Jun 2026US 12,662,951 B2Aisin Corporation
- Valve opening and closing timing control device2 Jun 2026US 12,644,399 B2Aisin Corporation
- Lifter assembly19 Aug 2025US 12,392,264 B2Eaton Intelligent Power Limited
- Latching pin assembly and deactivating rocker arm assembly5 Aug 2025US 12,378,903 B2Eaton Intelligent Power Limited
- Control device and control method for variable valve timing mechanism29 Jul 2025US 12,372,015 B2Hitachi Astemo, Ltd.
- Cylinder head structure for internal combustion engine25 Jun 2026US 2026/0176988 A1
- Hydrogen combustion engine valve sealing25 Jun 2026US 2026/0176990 A1DAF Trucks N. V.
- Valve open and close period control device29 Jan 2026US 2026/0028922 A1Aisin Corporation
- Plate valve four stroke head18 Sep 2025US 2025/0290434 A1
- Valve opening and closing timing control device5 Jun 2025US 2025/0179946 A1Aisin Corporation
Most cited
By later US patents
- Multi-cycle, engine braking with positive power valve actuation control system and process for using the same65US 6,000,374 ADiesel Engine Retarders, Inc. · 1999
- Thrust bearing50US 4,348,065 AHitachi, Ltd. · 1982
- Lubricating device of four-stroke cycle engine unit for portable working machine37US 5,213,074 ARyobi Ltd. · 1993
- Captive volume accumulator for a lost motion system37US 6,415,752 B1Diesel Engine Retarders, Inc. · 2002
- Fluid transfer in reciprocating devices37US 7,438,027 B12008