Cooling apparatus of piston and control method thereof
US-11105252-B2 · Aug 31, 2021 · 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 | F02F3/18 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 64 |
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 | 11 |
| 2016 | 9 |
| 2017 | 10 |
| 2018 | 7 |
| 2019 | 12 |
| 2020 | 7 |
| 2021 | 6 |
| 2022 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Piston with sealed cooling gallery containing a thermally conductive composition
US-11022065-B2 · Jun 1, 2021 · US
Cooling apparatus of piston and control method thereof
US-2021108553-A1 · Apr 15, 2021 · US
Piston of an internal combustion engine
US-10927788-B2 · Feb 23, 2021 · US
Piston having an undercrown surface with insulating coating and method of manufacture thereof
US-10859033-B2 · Dec 8, 2020 · US
Hot forming of cooling galleries in steel pistons
US-10843254-B2 · Nov 24, 2020 · US
Cooling of a piston by means of sodium-filled tubes
US-10787990-B2 · Sep 29, 2020 · US
Piston for an internal combustion engine and method for producing same
US-10731599-B2 · Aug 4, 2020 · US
Piston having an undercrown surface with coating and method of manufacture thereof
US-10731598-B2 · Aug 4, 2020 · US
Piston having an undercrown surface with coating and method of manufacture thereof
US-2020123998-A1 · Apr 23, 2020 · US
Piston of an internal combustion engine having alkali metal cooling and method for production thereof
US-10569325-B2 · Feb 25, 2020 · US
Hot forming of cooling galleries in steel pistons
US-2019344330-A1 · Nov 14, 2019 · US
Reduced compression height dual gallery piston, piston assembly therewith and methods of construction thereof
US-10450999-B2 · Oct 22, 2019 · US
Hot forming of cooling galleries in steel pistons
US-10363599-B2 · Jul 30, 2019 · US
Piston providing for reduced heat loss using cooling media
US-10294887-B2 · May 21, 2019 · US
Reduced compression height dual gallery piston, piston assembly therewith and methods of construction thereof
US-2019145345-A1 · May 16, 2019 · US
Piston with sealed cooling gallery and method of construction thereof
US-10247132-B2 · Apr 2, 2019 · US
Hot forming of cooling galleries in steel pistons
US-2019091757-A1 · Mar 28, 2019 · US
Piston with cooling gallery cooling insert and method of construction thereof
US-10240556-B2 · Mar 26, 2019 · US
Zero oil cooled (ZOC) piston incorporating heat pipe technology
US-10202936-B2 · Feb 12, 2019 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02F3/18?
- CPC F02F3/18 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F02F3/18 (Mechanical Engineering)?
- Our database includes 64 publications tagged with this CPC code.
- Is patent activity under CPC F02F3/18 growing?
- Publication counts under this code: 1 in 2022 vs 1 in 2024 (latest complete years).