Internal combustion engine
US-2025172105-A1 · May 29, 2025 · US
for lubricating cylinders
for lubricating cylinders · 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 | F01M2011/022 |
| Official title | {for lubricating cylinders} |
| Display label | for lubricating cylinders |
| Total patents | 49 |
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 | 8 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 10 |
| 2020 | 6 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sealed cover with nozzle
US-12241540-B2 · Mar 4, 2025 · US
Sealed cover with nozzle
US-2023399962-A1 · Dec 14, 2023 · US
Systems and methods for variable displacement engine oil flow
US-11492934-B1 · Nov 8, 2022 · US
Lubrication fluid filter bypass system
US-11466600-B1 · Oct 11, 2022 · US
Lubrication fluid filter bypass system
US-2022298936-A1 · Sep 22, 2022 · US
Distribution device for distributing fluid flows and method for operating a motor vehicle having an internal combustion engine
US-11384720-B2 · Jul 12, 2022 · US
Distribution device for distributing fluid flows and method for operating a motor vehicle having an internal combustion engine
US-2022065205-A1 · Mar 3, 2022 · US
Reciprocating machine with cylinder having collector groove
US-11125223-B2 · Sep 21, 2021 · US
Internal combustion engine
US-10961882-B2 · Mar 30, 2021 · US
In-vehicle internal combustion engine
US-10914208-B2 · Feb 9, 2021 · US
Multi-layer gasket pressure relief device
US-10859163-B2 · Dec 8, 2020 · US
Oil supply device of engine, method of manufacturing engine, and oil supply passage structure of engine
US-10774702-B2 · Sep 15, 2020 · US
Apparatuses for lubricating cranktrains of outboard motors
US-10724407-B1 · Jul 28, 2020 · US
Multi-layer gasket pressure relief device
US-2020063866-A1 · Feb 27, 2020 · US
Internal combustion engine
US-2020025047-A1 · Jan 23, 2020 · US
Oil supply device
US-2020018199-A1 · Jan 16, 2020 · US
Internal combustion engine with oil warming with directed spray in cylinder head
US-10415442-B2 · Sep 17, 2019 · US
Piston cooling apparatus for vehicle
US-10378398-B2 · Aug 13, 2019 · US
In-vehicle internal combustion engine
US-2019234259-A1 · Aug 1, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01M2011/022?
- CPC F01M2011/022 is the Cooperative Patent Classification code for “for lubricating cylinders.”
- How many patents are filed under CPC F01M2011/022 (for lubricating cylinders)?
- Our database includes 49 publications tagged with this CPC code.
- Is patent activity under CPC F01M2011/022 growing?
- Publication counts under this code: 1 in 2023 vs 2 in 2025 (latest complete years).