F01M 3/00
Lubrication specially adapted for engines with crankcase compression of fuel-air mixture or
Official title: Lubrication specially adapted for engines with crankcase compression of fuel-air mixture or for other engines in which lubricant is contained in fuel, combustion air, or fuel-air mixture (separating lubricant from air or fuel-air mixture before entry into cylinder F01M11/08)
F01M3/00 (Lubrication specially adapted for engines with crankcase compression of fuel-air mixture or) appears on 249 US grants and 93 published applications in this corpus.
Search patents in F01M- Granted patents
- 249
- Published applications
- 93
- Assignees
- 93
- Inventors
- 383
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 10 | 0 |
| 1984 | 10 | 0 |
| 1985 | 4 | 0 |
| 1986 | 8 | 0 |
| 1987 | 6 | 0 |
| 1988 | 10 | 0 |
| 1989 | 8 | 0 |
| 1990 | 9 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 12 | 0 |
| 1995 | 6 | 0 |
| 1996 | 13 | 0 |
| 1997 | 5 | 0 |
| 1998 | 12 | 0 |
| 1999 | 9 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 2 |
| 2002 | 16 | 6 |
| 2003 | 5 | 8 |
| 2004 | 8 | 3 |
| 2005 | 4 | 6 |
| 2006 | 3 | 2 |
| 2007 | 0 | 3 |
| 2008 | 2 | 2 |
| 2009 | 3 | 0 |
| 2010 | 0 | 4 |
| 2011 | 0 | 5 |
| 2012 | 3 | 2 |
| 2013 | 0 | 5 |
| 2014 | 4 | 7 |
| 2015 | 4 | 2 |
| 2016 | 5 | 3 |
| 2017 | 2 | 2 |
| 2018 | 5 | 7 |
| 2019 | 3 | 6 |
| 2020 | 6 | 6 |
| 2021 | 7 | 0 |
| 2022 | 1 | 2 |
| 2023 | 2 | 3 |
| 2024 | 1 | 2 |
| 2025 | 6 | 4 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fuel supply device4 Nov 2025US 12,460,603 B2Toyota Jidosha Kabushiki Kaisha
- Production of cylinder oil21 Oct 2025US 12,448,585 B2A. P. Møller-Mærsk A/S
- Two-stroke engine with crankcase fuel injector30 Sep 2025US 12,429,020 B2
- Electronic control of fluid operations for machines29 Jul 2025US 12,372,983 B2Rpm Industries, LLC
- Production of cylinder oil17 Jun 2025US 12,331,263 B2A.P. Moller-Maersk A/S
- Lubricant dosing device for gaseous fuel engine5 Mar 2026US 2026/0063094 A1Phinia Delphi Luxembourg Sarl
- Active control of gearbox case pressure30 Oct 2025US 2025/0334078 A1Hamilton Sundstrand Corporation
- Electronic control of fluid operations for machines30 Oct 2025US 2025/0334981 A1Rpm Industries, LLC
- Fuel supply device22 May 2025US 2025/0163870 A1Toyota Jidosha Kabushiki Kaisha
- Fuel conditioning system6 Feb 2025US 2025/0043755 A1
Most cited
By later US patents
- Operation control system for internal combustion engine138US 4,993,386 AKabushiki Kaisha Toyota Chuo Kenkyusho · 1991
- Compact power supply and lubricant affording device therefor51US 5,212,952 AYamaha Hatsudoki Kabushiki Kaisha · 1993
- Oil injection lubrication system and methods for two-cycle engines34US 6,422,183 B1Sanshin Kogyo Kabushiki Kaisha · 2002
- Fluid driven pump with one-way valve in fluid inlet33US 4,551,076 AOutboard Marine Corporation · 1985
- Lubricating system for outboard engine32US 4,372,258 ASanshin Kogyo Kabushiki Kaisha · 1983