Method of producing piston for engine
US-2017328301-A1 · Nov 16, 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 | F02F3/26 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 351 |
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 | 20 |
| 2016 | 30 |
| 2017 | 25 |
| 2018 | 42 |
| 2019 | 51 |
| 2020 | 76 |
| 2021 | 37 |
| 2022 | 23 |
| 2023 | 19 |
| 2024 | 12 |
| 2025 | 15 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Piston with anti-carbon coating and method for applying an anti-carbon coating on a piston
US-2017321627-A1 · Nov 9, 2017 · US
Combustion chamber of direct injection diesel engine having inducers
US-9810140-B2 · Nov 7, 2017 · US
Complex-shaped forged piston oil galleries
US-9739234-B2 · Aug 22, 2017 · US
Internal combustion engine
US-2017167360-A1 · Jun 15, 2017 · US
Thermally insulated steel piston crown and method of making using a ceramic coating
US-2017145952-A1 · May 25, 2017 · US
Fuel injection apparatus
US-2017082058-A1 · Mar 23, 2017 · US
Piston
US-2017082059-A1 · Mar 23, 2017 · US
Piston with low overall height
US-2017058824-A1 · Mar 2, 2017 · US
Steel piston with fourth land guidance and improved friction characteristics
US-9551291-B2 · Jan 24, 2017 · US
Piston cooling configurations utilizing lubricating oil from a bearing reservoir in an opposed-piston engine
US-2016369740-A1 · Dec 22, 2016 · US
Direct fuel injection combustion engine and more particularly a compression-ignition engine with a low compression ratio
US-2016341106-A1 · Nov 24, 2016 · US
Piston for an internal combustion engine
US-9494106-B2 · Nov 15, 2016 · US
Combustion-chamber bowl rim and of a combustion chamber bowl base of a piston of an internal combustion engine
US-2016326980-A1 · Nov 10, 2016 · US
Piston of an internal combustion engine
US-9476381-B2 · Oct 25, 2016 · US
Piston with complex shaped combustion bowl and cooling gallery and method of construction thereof
US-2016305365-A1 · Oct 20, 2016 · US
Piston cooling configurations utilizing lubricating oil from a bearing reservoir in an opposed-piston engine
US-9470136-B2 · Oct 18, 2016 · US
Piston of an internal combustion engine
US-9464593-B2 · Oct 11, 2016 · US
Method for producing a piston for an internal combustion engine and piston produced by said method
US-2016288275-A1 · Oct 6, 2016 · US
Robust, lightweight, low compression height piston and method of construction thereof
US-2016281635-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 F02F3/26?
- CPC F02F3/26 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F02F3/26 (Mechanical Engineering)?
- Our database includes 351 publications tagged with this CPC code.
- Is patent activity under CPC F02F3/26 growing?
- Publication counts under this code: 12 in 2024 vs 15 in 2025 (latest complete years).