Piston cooling structure in combustion engine
US-9850801-B2 · Dec 26, 2017 · US
Mechanical Engineering
Mechanical Engineering · 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 | F01P3/08 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 187 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 24 |
| 2016 | 22 |
| 2017 | 30 |
| 2018 | 20 |
| 2019 | 22 |
| 2020 | 15 |
| 2021 | 16 |
| 2022 | 18 |
| 2023 | 10 |
| 2024 | 2 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Piston cooling device
US-2017350304-A1 · Dec 7, 2017 · US
Apparatus and method for controlling piston cooling oil jet
US-2017342891-A1 · Nov 30, 2017 · US
Valve for controlling piston cooling jets in an internal combustion engine
US-9822742-B2 · Nov 21, 2017 · US
Piston cooling for opposed-piston engines
US-9759119-B2 · Sep 12, 2017 · US
Connecting rod and assembly comprising a piston and a connecting rod
US-2017198625-A1 · Jul 13, 2017 · US
Approach for controlling operation of oil injectors
US-9670802-B2 · Jun 6, 2017 · US
Temperature control apparatus for intercooler
US-9670831-B2 · Jun 6, 2017 · US
Piston cooling jet for an internal combustion engine
US-2017130639-A1 · May 11, 2017 · US
Lubrication system for an internal combustion engine, and method for lubrication
US-2017130623-A1 · May 11, 2017 · US
Systems and methods for piston cooling
US-9605620-B2 · Mar 28, 2017 · US
Assembly of a piston and an oil spray nozzle for an internal combustion engine
US-2017030292-A1 · Feb 2, 2017 · US
Individual piston squirter switching with crankangle resolved control
US-9556764-B2 · Jan 31, 2017 · US
Two-stroke engine with fuel injection
US-9546632-B2 · Jan 17, 2017 · US
Piston cooling configurations utilizing lubricating oil from a bearing reservoir in an opposed-piston engine
US-2016369740-A1 · Dec 22, 2016 · US
Apparatus and method for diagnosing failure of piston cooling jet of engine
US-2016363040-A1 · Dec 15, 2016 · US
Piston oil jet apparatus of engine
US-2016363034-A1 · Dec 15, 2016 · US
Structure for attaching oil jet valve
US-2016326920-A1 · Nov 10, 2016 · US
Systems and methods for piston cooling
US-2016305364-A1 · Oct 20, 2016 · US
System for piston cooling
US-2016305363-A1 · Oct 20, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01P3/08?
- CPC F01P3/08 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F01P3/08 (Mechanical Engineering)?
- Our database includes 187 publications tagged with this CPC code.
- Is patent activity under CPC F01P3/08 growing?
- Publication counts under this code: 2 in 2024 vs 7 in 2025 (latest complete years).