Internal combustion engine
US-12404819-B2 · Sep 2, 2025 · US
Attachment of cylinders to crankcase
Attachment of cylinders to crankcase · 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 | F02F1/102 |
| Official title | {Attachment of cylinders to crankcase} |
| Display label | Attachment of cylinders to crankcase |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 10 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Internal combustion engine
US-2024125282-A1 · Apr 18, 2024 · US
Cylinder for opposed-piston engines
US-11300071-B2 · Apr 12, 2022 · US
Cylinder liner for insert casting
US-11141783-B1 · Oct 12, 2021 · US
Coated cylinder liner
US-11098672-B2 · Aug 24, 2021 · US
Systems and methods for coupling a cylinder head to a cylinder block
US-11067029-B2 · Jul 20, 2021 · US
Coated cylinder liner
US-2021047981-A1 · Feb 18, 2021 · US
Systems and methods for coupling a cylinder head to a cylinder block
US-2020040839-A1 · Feb 6, 2020 · US
Rough cast cylinder liner
US-10465627-B2 · Nov 5, 2019 · US
Rough cast cylinder liner
US-10215128-B2 · Feb 26, 2019 · US
Cylinder liner and method for producing same
US-10213829-B2 · Feb 26, 2019 · US
Engine assemblies and methods of manufacturing the same
US-10132270-B2 · Nov 20, 2018 · US
Rough cast cylinder liner
US-2018245537-A1 · Aug 30, 2018 · US
Engine assemblies and methods of manufacturing the same
US-2018030923-A1 · Feb 1, 2018 · US
Rough cast cylinder liner
US-2017314501-A1 · Nov 2, 2017 · US
Double wall self-contained liner
US-9803583-B2 · Oct 31, 2017 · US
Method for manufacturing cylinder block
US-9797335-B2 · Oct 24, 2017 · US
Engine block
US-9739231-B2 · Aug 22, 2017 · US
Spring Energized Cylinder Liner Seal
US-2017226958-A1 · Aug 10, 2017 · US
Cylinder For Opposed-Piston Engines
US-2016356241-A1 · Dec 8, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02F1/102?
- CPC F02F1/102 is the Cooperative Patent Classification code for “Attachment of cylinders to crankcase.”
- How many patents are filed under CPC F02F1/102 (Attachment of cylinders to crankcase)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC F02F1/102 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).