Engine system having coolant control valve
US-10161291-B2 · Dec 25, 2018 · US
Cooling cylinders and cylinder heads in series
Cooling cylinders and cylinder heads in series · 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 | F01P2003/028 |
| Official title | {Cooling cylinders and cylinder heads in series} |
| Display label | Cooling cylinders and cylinder heads in series |
| Total patents | 275 |
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 | 20 |
| 2016 | 16 |
| 2017 | 19 |
| 2018 | 23 |
| 2019 | 37 |
| 2020 | 52 |
| 2021 | 48 |
| 2022 | 34 |
| 2023 | 12 |
| 2024 | 8 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Straddle-type vehicle
US-10107173-B2 · Oct 23, 2018 · US
Cooling apparatus of internal combustion engine
US-2018283260-A1 · Oct 4, 2018 · US
Dual loop cooling system energy storage and reuse
US-2018100709-A1 · Apr 12, 2018 · US
Gasket and system for control of the temperature of an engine
US-9932880-B2 · Apr 3, 2018 · US
Engine cooling device
US-2017370272-A1 · Dec 28, 2017 · US
Four-cylinder engine with two deactivatable cylinders
US-9822712-B2 · Nov 21, 2017 · US
Split cooling apparatus for internal combustion engine
US-2017306833-A1 · Oct 26, 2017 · US
Cooling system
US-2017284279-A1 · Oct 5, 2017 · US
Cooling device for multiple cylinder engine
US-9777615-B2 · Oct 3, 2017 · US
Engine having water jacket
US-2017268405-A1 · Sep 21, 2017 · US
Engine having water jacket
US-2017254252-A1 · Sep 7, 2017 · US
Cooling system for vehicle and controlling method thereof
US-9733029-B2 · Aug 15, 2017 · US
Cooling structure for multi-cylinder engine
US-2017175611-A1 · Jun 22, 2017 · US
Water jacket for cylinder block
US-2017167354-A1 · Jun 15, 2017 · US
Vehicle driven by an internal combustion engine and provided with a liquid cooling system
US-9677456-B2 · Jun 13, 2017 · US
Bore bridge and cylinder cooling
US-9670822-B2 · Jun 6, 2017 · US
Internal combustion engine
US-2017152787-A1 · Jun 1, 2017 · US
Cooling device for multi-cylinder engine
US-9624816-B2 · Apr 18, 2017 · US
Control device for cooling system
US-9611811-B2 · Apr 4, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01P2003/028?
- CPC F01P2003/028 is the Cooperative Patent Classification code for “Cooling cylinders and cylinder heads in series.”
- How many patents are filed under CPC F01P2003/028 (Cooling cylinders and cylinder heads in series)?
- Our database includes 275 publications tagged with this CPC code.
- Is patent activity under CPC F01P2003/028 growing?
- Publication counts under this code: 8 in 2024 vs 6 in 2025 (latest complete years).