Exhaust side block insert, cylinder block assembly including the same, and heat management system of engine including the same
US-2017370271-A1 · Dec 28, 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 | F01P2003/021 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 342 |
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 | 22 |
| 2016 | 27 |
| 2017 | 43 |
| 2018 | 49 |
| 2019 | 44 |
| 2020 | 67 |
| 2021 | 39 |
| 2022 | 20 |
| 2023 | 14 |
| 2024 | 7 |
| 2025 | 8 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Internal combustion engine
US-9840999-B2 · Dec 12, 2017 · US
Water jacket spacer, internal combustion engine, and automobile
US-2017350302-A1 · Dec 7, 2017 · US
Internal combustion engine provided with cooling water passage
US-2017335744-A1 · Nov 23, 2017 · US
Liquid-cooled internal combustion engine with selector guide valve, and method for controlling the selector guide valve of an internal combustion engine of said type
US-9784172-B2 · Oct 10, 2017 · US
System and method for controlling coolant flow through an engine using a feedforward approach and a feedback approach
US-9745889-B2 · Aug 29, 2017 · US
Water jacket for cylinder block
US-2017167354-A1 · Jun 15, 2017 · US
Apparatus for cooling vehicle engine
US-2017138320-A1 · May 18, 2017 · US
Engine
US-9638070-B2 · May 2, 2017 · US
Cooling system for an internal combustion engine
US-2017107889-A1 · Apr 20, 2017 · US
Cooling system of engine
US-2017074152-A1 · Mar 16, 2017 · US
Cylinder block water jacket structure having insert
US-2016377023-A1 · Dec 29, 2016 · US
Controller for internal combustion engine
US-2016363033-A1 · Dec 15, 2016 · US
Internal combustion engine
US-2016356256-A1 · Dec 8, 2016 · US
Cylinder For Opposed-Piston Engines
US-2016356241-A1 · Dec 8, 2016 · US
Internal combustion engine and coolant pump
US-2016348568-A1 · Dec 1, 2016 · US
Internal combustion engine
US-2016341099-A1 · Nov 24, 2016 · US
Internal combustion engine
US-2016341108-A1 · Nov 24, 2016 · US
Control device for internal combustion engine
US-2016333829-A1 · Nov 17, 2016 · US
Engine Off Cooling Strategy
US-2016281584-A1 · Sep 29, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01P2003/021?
- CPC F01P2003/021 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F01P2003/021 (Mechanical Engineering)?
- Our database includes 342 publications tagged with this CPC code.
- Is patent activity under CPC F01P2003/021 growing?
- Publication counts under this code: 7 in 2024 vs 8 in 2025 (latest complete years).