Cylinder Liner with Chamfer and Anti-Polishing Cuff
US-2017328298-A1 · Nov 16, 2017 · US
Other cylinders
Other cylinders · 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 | F02F1/18 |
| Official title | Other cylinders |
| Display label | Other cylinders |
| Total patents | 232 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 34 |
| 2017 | 34 |
| 2018 | 36 |
| 2019 | 28 |
| 2020 | 25 |
| 2021 | 14 |
| 2022 | 7 |
| 2023 | 13 |
| 2024 | 11 |
| 2025 | 11 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Internal combustion engine
US-2017298863-A1 · Oct 19, 2017 · US
Internal combustion engine
US-2017292470-A1 · Oct 12, 2017 · US
Piston ring for improved lubrication oil consumption
US-2017284331-A1 · Oct 5, 2017 · US
Surface structure of aluminum-based member
US-2017254294-A1 · Sep 7, 2017 · US
Cylinder block for engine
US-2017184050-A1 · Jun 29, 2017 · US
Coated bore aluminum cylinder liner for aluminum cast blocks
US-2017175668-A1 · Jun 22, 2017 · US
Cylinder block
US-2017159602-A1 · Jun 8, 2017 · US
Cylinder for application on an internal combustion engine
US-9650986-B2 · May 16, 2017 · US
Engine bore milling process
US-2017120348-A1 · May 4, 2017 · US
Phosphating or anodizing for improved bonding of thermal spray coating on engine cylinder bores
US-2016376690-A1 · Dec 29, 2016 · US
Internal-combustion engine cylinder block and production method therefor
US-2016369737-A1 · Dec 22, 2016 · US
TiO2 APPLICATION AS BONDCOAT FOR CYLINDER BORE THERMAL SPRAY
US-2016356242-A1 · Dec 8, 2016 · US
Cylindrical surface profile cutting tool and process
US-9511467-B2 · Dec 6, 2016 · US
Composite cylinder block for an engine
US-2016341148-A1 · Nov 24, 2016 · US
Cylinder with multiple transfer ports for an internal combustion engine
US-9494104-B2 · Nov 15, 2016 · US
Cylinder block manufacturing method and cylinder block
US-9494103-B2 · Nov 15, 2016 · US
Internal combustion engine
US-2016319736-A1 · Nov 3, 2016 · US
Engine provided with connecting line connecting each cylinder
US-9476380-B2 · Oct 25, 2016 · US
System for piston cooling
US-2016305363-A1 · Oct 20, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02F1/18?
- CPC F02F1/18 is the Cooperative Patent Classification code for “Other cylinders.”
- How many patents are filed under CPC F02F1/18 (Other cylinders)?
- Our database includes 232 publications tagged with this CPC code.
- Is patent activity under CPC F02F1/18 growing?
- Publication counts under this code: 11 in 2024 vs 11 in 2025 (latest complete years).