Piston for an opposed-piston engine
US-11773769-B2 · Oct 3, 2023 · US
having means for accommodating or controlling heat expansion
having means for accommodating or controlling heat expansion · 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 | F02F3/02 |
| Official title | having means for accommodating or controlling heat expansion |
| Display label | having means for accommodating or controlling heat expansion |
| Total patents | 70 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 9 |
| 2017 | 7 |
| 2018 | 11 |
| 2019 | 6 |
| 2020 | 11 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 7 |
| 2024 | 3 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Moteur thermique alternatif a culasse chaude et cylindre froid
US-2023304456-A1 · Sep 28, 2023 · US
Method of making piston using polishing removal of thermal barrier coating (TBC) material
US-11667005-B1 · Jun 6, 2023 · US
Piston for an opposed-piston engine
US-2023030878-A1 · Feb 2, 2023 · US
Steel piston with optimized design
US-11566581-B2 · Jan 31, 2023 · US
Friction Loss-Reduced Piston For An Internal Combustion Engine
US-2022275768-A1 · Sep 1, 2022 · US
Piston for an internal combustion engine and production method
US-2022120234-A1 · Apr 21, 2022 · US
Piston for internal combustion engine
US-10890135-B2 · Jan 12, 2021 · US
Steel Piston With Optimized Design
US-2020378336-A1 · Dec 3, 2020 · US
Piston for an internal combustion engine
US-10823109-B2 · Nov 3, 2020 · US
Piston
US-10774931-B2 · Sep 15, 2020 · US
Piston for internal combustion engine
US-2020263629-A1 · Aug 20, 2020 · US
Piston for an internal combustion engine
US-10711896-B2 · Jul 14, 2020 · US
Piston of internal combustion engine
US-2020208591-A1 · Jul 2, 2020 · US
Piston for a reciprocating-piston internal combustion engine, and reciprocating-piston internal combustion engine
US-2020173393-A1 · Jun 4, 2020 · US
Piston structure for engine
US-10634247-B2 · Apr 28, 2020 · US
Piston for an internal combustion engine
US-10634090-B2 · Apr 28, 2020 · US
Piston For Internal Combustion Engine
US-2020095952-A1 · Mar 26, 2020 · US
Internal combustion engine piston
US-2020025125-A1 · Jan 23, 2020 · US
Engine with a piston heating system and method for operation thereof
US-10508615-B2 · Dec 17, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02F3/02?
- CPC F02F3/02 is the Cooperative Patent Classification code for “having means for accommodating or controlling heat expansion.”
- How many patents are filed under CPC F02F3/02 (having means for accommodating or controlling heat expansion)?
- Our database includes 70 publications tagged with this CPC code.
- Is patent activity under CPC F02F3/02 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).