Piston for engine
US-2017350344-A1 · Dec 7, 2017 · US
having surface coverings (F02F3/02 takes precedence)
having surface coverings (F02F3/02 takes precedence) · 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 | F02F3/10 |
| Official title | having surface coverings (F02F3/02 takes precedence) |
| Display label | having surface coverings (F02F3/02 takes precedence) |
| Total patents | 164 |
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 | 17 |
| 2016 | 15 |
| 2017 | 28 |
| 2018 | 18 |
| 2019 | 23 |
| 2020 | 19 |
| 2021 | 22 |
| 2022 | 5 |
| 2023 | 8 |
| 2024 | 4 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Iron-based sprayed coating, cylinder block for internal combustion engine using same, and sliding mechanism for internal combustion engine
US-9828934-B2 · Nov 28, 2017 · US
Piston for internal combustion engines
US-9828938-B2 · Nov 28, 2017 · US
Engine and piston
US-9822728-B2 · Nov 21, 2017 · US
Method of producing piston for engine
US-2017328301-A1 · Nov 16, 2017 · US
Engine combustion chamber structure and manufacturing method thereof
US-9816458-B2 · Nov 14, 2017 · US
Piston for an internal combustion engine with a shaft
US-2017321626-A1 · Nov 9, 2017 · US
Fuel injector for an internal combustion engine
US-2017321645-A1 · Nov 9, 2017 · US
Cooling channel cover and piston provided with a cooling channel cover
US-2017321629-A1 · Nov 9, 2017 · US
Piston
US-9790889-B2 · Oct 17, 2017 · US
Internal combustion engine
US-2017292470-A1 · Oct 12, 2017 · US
Piston with variable depth groove root
US-2017284544-A1 · Oct 5, 2017 · US
Mechanical component for internal combustion engine, manufacturing method of mechanical component for internal combustion engine, and mechanical component
US-2017268109-A1 · Sep 21, 2017 · US
Composite thermal barrier coating
US-2017234216-A1 · Aug 17, 2017 · US
Coating for Components of Internal Combustion Engines
US-2017234264-A1 · Aug 17, 2017 · US
Sliding element
US-2017175622-A1 · Jun 22, 2017 · US
Method of applying ptfe coating solution and vehicle part coated with ptfe coating solution
US-2017166773-A1 · Jun 15, 2017 · US
Internal combustion engine
US-2017152795-A1 · Jun 1, 2017 · US
Piston providing for reduced heat loss using cooling media
US-2017138296-A1 · May 18, 2017 · US
Coating for Metal Components, Method for Coating a Metal Component, Piston for Internal Combustion Engines and Motor Vehicle
US-2017122249-A1 · May 4, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02F3/10?
- CPC F02F3/10 is the Cooperative Patent Classification code for “having surface coverings (F02F3/02 takes precedence).”
- How many patents are filed under CPC F02F3/10 (having surface coverings (F02F3/02 takes precedence))?
- Our database includes 164 publications tagged with this CPC code.
- Is patent activity under CPC F02F3/10 growing?
- Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).