Piston for assembly with a cylinder
US-12258922-B2 · Mar 25, 2025 · US
the crown and skirt being interconnected by the gudgeon pin
the crown and skirt being interconnected by the gudgeon pin · 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 | F02F3/0069 |
| Official title | {the crown and skirt being interconnected by the gudgeon pin} |
| Display label | the crown and skirt being interconnected by the gudgeon pin |
| Total patents | 54 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 10 |
| 2017 | 8 |
| 2018 | 6 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Piston for an internal combustion engine
US-12044312-B2 · Jul 23, 2024 · US
Piston for assembly with a cylinder
US-2024175407-A1 · May 30, 2024 · US
Piston for use in internal combustion engines and method of making the piston
US-11994085-B2 · May 28, 2024 · US
Piston for use in internal combustion engines and method of making the piston
US-2023417203-A1 · Dec 28, 2023 · US
Piston for an internal combustion engine
US-2023067611-A1 · Mar 2, 2023 · US
Piston having smoothed outer crown surface in deposit-sensitive zone
US-11346301-B1 · May 31, 2022 · US
Piston having smoothed outer crown surface in deposit-sensitive zone
US-2022145826-A1 · May 12, 2022 · US
Piston of an internal-combustion engine
US-11111878-B2 · Sep 7, 2021 · US
Monolithic, galleryless piston and method of construction thereof
US-10968862-B2 · Apr 6, 2021 · US
Piston having an undercrown surface with insulating coating and method of manufacture thereof
US-10859033-B2 · Dec 8, 2020 · US
Internal combustion engine
US-10760524-B2 · Sep 1, 2020 · US
Monolithic, galleryless piston and method of construction thereof
US-10738731-B2 · Aug 11, 2020 · US
Galleryless short compression insulated steel piston
US-10690247-B2 · Jun 23, 2020 · US
Piston of an internal-combustion engine
US-2020132016-A1 · Apr 30, 2020 · US
Piston having an undercrown surface with coating and method of manufacture thereof
US-2020088127-A1 · Mar 19, 2020 · US
Internal combustion engine
US-2019338723-A1 · Nov 7, 2019 · US
Damper for piston and piston pin, for ice engines
US-10393265-B2 · Aug 27, 2019 · US
Damper for piston and piston pin, for ice engines
US-2019113138-A1 · Apr 18, 2019 · US
Internal combustion engine
US-2019085740-A1 · Mar 21, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02F3/0069?
- CPC F02F3/0069 is the Cooperative Patent Classification code for “the crown and skirt being interconnected by the gudgeon pin.”
- How many patents are filed under CPC F02F3/0069 (the crown and skirt being interconnected by the gudgeon pin)?
- Our database includes 54 publications tagged with this CPC code.
- Is patent activity under CPC F02F3/0069 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).