Outboard-motor cylinder block and manufacturing method therefor
US-2025376939-A1 · Dec 11, 2025 · US
This page is not indexed by search engines while we improve data quality.
Preventing corrosion of liquid-swept surfaces
Preventing corrosion of liquid-swept surfaces · 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 | F02F1/12 |
| Official title | Preventing corrosion of liquid-swept surfaces |
| Display label | Preventing corrosion of liquid-swept surfaces |
| Total patents | 7 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2019 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Inter-cylinder bore coolant passage for enhanced cavitation protection in an engine block
US-11286875-B1 · Mar 29, 2022 · US
Selective engine block channeling for enhanced cavitation protection
US-11028799-B2 · Jun 8, 2021 · US
Selective engine block channeling for enhanced cavitation protection
US-2021062750-A1 · Mar 4, 2021 · US
Wet cylinder liner for internal combustion engines, process for obtaining a wet cylinder liner, and internal combustion engine
US-10247130-B2 · Apr 2, 2019 · US
Wet cylinder liner for internal combustion engines, process for obtaining a wet cylinder liner, and internal combustion engine
US-2017234262-A1 · Aug 17, 2017 · US
Multi-Layer Coating System for Corrosion Protection of Magnesium Cylinder Block Against Coolant
US-2016268610-A1 · Sep 15, 2016 · US