Fuel supply device
US-12460603-B2 · Nov 4, 2025 · US
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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)
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) · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F01M3/00 |
| 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) |
| Display label | 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) |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fuel supply device
US-2025163870-A1 · May 22, 2025 · US
Method for preventing accumulation of cylinder oil at scavenging ports of low-speed marine engine
US-11746724-B2 · Sep 5, 2023 · US
Marine engines having a supercharger
US-11511840-B1 · Nov 29, 2022 · US
Method for preventing accumulation of cylinder oil at scavenging ports of low-speed marine engine
US-2022186677-A1 · Jun 16, 2022 · US
Method for controlling the oil pressure of an oil pump in a combustion engine and an oil pressure arrangement
US-11174764-B2 · Nov 16, 2021 · US
Four stroke engine, handheld work apparatus having a four stroke engine, and method for operating a four stroke engine
US-11168593-B2 · Nov 9, 2021 · US
Marine engines having a supercharger
US-10981636-B1 · Apr 20, 2021 · US
Lubrication apapratus configurations for marine engines having a supercharger
US-10934928-B1 · Mar 2, 2021 · US
Mixture-lubricated four-stroke engine
US-10801396-B2 · Oct 13, 2020 · US
Four stroke engine, handheld work apparatus having a four stroke engine, and method for operating a four stroke engine
US-2020173319-A1 · Jun 4, 2020 · US
Lubricating system, an engine and method for providing lubricant to an engine
US-10605132-B2 · Mar 31, 2020 · US
A method for controlling the oil pressure of an oil pump in a combustion engine and an oil pressure arrangement
US-2020049034-A1 · Feb 13, 2020 · US
Fuel container and power work equipment
US-2020049113-A1 · Feb 13, 2020 · US
Internal combustion engine with improved lubrication system
US-10502103-B2 · Dec 10, 2019 · US
Mixture-lubricated four-stroke engine
US-2019218961-A1 · Jul 18, 2019 · US
Two-stroke engine
US-10184423-B2 · Jan 22, 2019 · US
Lubricating system, an engine and method for providing lubricant to an engine
US-2018320568-A1 · Nov 8, 2018 · US
Internal combustion engine with improved lubrication system
US-2018163584-A1 · Jun 14, 2018 · US
Two-stroke engine
US-2017107937-A1 · Apr 20, 2017 · US