Cooling device for multiple cylinder engine
US-2015377114-A1 · Dec 31, 2015 · 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 | F01P3/02 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 1,031 |
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 | 65 |
| 2016 | 80 |
| 2017 | 116 |
| 2018 | 120 |
| 2019 | 157 |
| 2020 | 175 |
| 2021 | 141 |
| 2022 | 82 |
| 2023 | 37 |
| 2024 | 29 |
| 2025 | 25 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Liquid cooled internal combustion engine with coolant circuit, and method for operation of the liquid cooled internal combustion engine
US-9222399-B2 · Dec 29, 2015 · US
Cooling system
US-9222398-B2 · Dec 29, 2015 · US
Oil-cooled cylinder block with water-cooled bridge
US-2015361862-A1 · Dec 17, 2015 · US
Engine having coolant control valve
US-2015354436-A1 · Dec 10, 2015 · US
Cooling structure of multi-cylinder engine
US-2015345363-A1 · Dec 3, 2015 · US
Gasket and system for control of the temperature of an engine
US-2015345364-A1 · Dec 3, 2015 · US
Vehicle engine cooling system
US-2015337714-A1 · Nov 26, 2015 · US
Engine
US-9194278-B2 · Nov 24, 2015 · US
Vehicle driven by an internal combustion engine and provided with a liquid cooling system
US-2015330285-A1 · Nov 19, 2015 · US
System and method of thermal management for an engine
US-9188051-B1 · Nov 17, 2015 · US
Engine block
US-2015322888-A1 · Nov 12, 2015 · US
Bore bridge and cylinder cooling
US-2015300236-A1 · Oct 22, 2015 · US
Engine with cooling system
US-2015292389-A1 · Oct 15, 2015 · US
Cylinder block cooling jacket insert allowing separated cooling circuits
US-2015285125-A1 · Oct 8, 2015 · US
Oiling structure for engine
US-9151209-B2 · Oct 6, 2015 · US
Engine cooler
US-2015267636-A1 · Sep 24, 2015 · US
Cooling apparatus for engine
US-2015267602-A1 · Sep 24, 2015 · US
Coolant circuit with head and block coolant jackets connected in series
US-9140176-B2 · Sep 22, 2015 · US
Cylinder block
US-2015260079-A1 · Sep 17, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01P3/02?
- CPC F01P3/02 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F01P3/02 (Mechanical Engineering)?
- Our database includes 1,031 publications tagged with this CPC code.
- Is patent activity under CPC F01P3/02 growing?
- Publication counts under this code: 29 in 2024 vs 25 in 2025 (latest complete years).