Cylinder block water jacket structure having insert
US-2016377023-A1 · Dec 29, 2016 · 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 | F02F1/40 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 450 |
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 | 30 |
| 2016 | 44 |
| 2017 | 69 |
| 2018 | 52 |
| 2019 | 54 |
| 2020 | 56 |
| 2021 | 48 |
| 2022 | 37 |
| 2023 | 21 |
| 2024 | 23 |
| 2025 | 12 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Engine assembly
US-2016363096-A1 · Dec 15, 2016 · US
Spark plug assembly having improved cooling
US-2016363094-A1 · Dec 15, 2016 · US
Liquid-cooled internal combustion engine
US-2016356201-A1 · Dec 8, 2016 · US
Internal combustion engine
US-2016348608-A1 · Dec 1, 2016 · US
Internal combustion engine
US-2016348610-A1 · Dec 1, 2016 · US
Internal combustion engine
US-2016341099-A1 · Nov 24, 2016 · US
Cylinder head
US-2016333820-A1 · Nov 17, 2016 · US
Engine having integrated exhaust manifold with combined ducts for inside cylinders and outside cylinders
US-9470133-B2 · Oct 18, 2016 · US
Engine assembly
US-9470178-B2 · Oct 18, 2016 · US
Cylinder head with cooling channel
US-9447748-B2 · Sep 20, 2016 · US
Water jacket for an internal combustion engine
US-2016258381-A1 · Sep 8, 2016 · US
Engine assembly including a coolant gallery
US-2016252002-A1 · Sep 1, 2016 · US
Manifold for an engine assembly
US-2016252001-A1 · Sep 1, 2016 · US
Cylinder head assembly having cooled valve insert
US-9422886-B2 · Aug 23, 2016 · US
Cooling system for an internal combustion engine
US-2016230639-A1 · Aug 11, 2016 · US
Method for operating a combustion engine having a split cooling system and cylinder shutdown
US-2016215681-A1 · Jul 28, 2016 · US
Cooling Structure for a Cylinder Head of an Internal Combustion Engine
US-2016195035-A1 · Jul 7, 2016 · US
Engine for vehicles
US-2016160793-A1 · Jun 9, 2016 · US
Vehicle water jacket
US-2016153344-A1 · Jun 2, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02F1/40?
- CPC F02F1/40 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F02F1/40 (Mechanical Engineering)?
- Our database includes 450 publications tagged with this CPC code.
- Is patent activity under CPC F02F1/40 growing?
- Publication counts under this code: 23 in 2024 vs 12 in 2025 (latest complete years).