Pressurized oil system powered by two-stroke engine
US-2026043341-A1 · Feb 12, 2026 · US
Cooling cylinders (F01P2003/022 takes precedence)
Cooling cylinders (F01P2003/022 takes precedence) · 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 | F01P2001/023 |
| Official title | {Cooling cylinders (F01P2003/022 takes precedence)} |
| Display label | Cooling cylinders (F01P2003/022 takes precedence) |
| Total patents | 43 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2018 | 2 |
| 2019 | 7 |
| 2020 | 9 |
| 2021 | 1 |
| 2022 | 8 |
| 2023 | 7 |
| 2024 | 6 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pressurized oil system powered by two-stroke engine
US-12467391-B2 · Nov 11, 2025 · US
Pressurized oil system powered by two-stroke engine
US-2024344469-A1 · Oct 17, 2024 · US
Internal combustion engine
US-12055088-B2 · Aug 6, 2024 · US
Pressurized oil system powered by two-stroke engine
US-12055076-B2 · Aug 6, 2024 · US
Engine exhaust heat management system
US-2024183296-A1 · Jun 6, 2024 · US
Engine exhaust heat management system
US-11933209-B2 · Mar 19, 2024 · US
V-twin engine assembly
US-2024011426-A1 · Jan 11, 2024 · US
Pressurized oil system powered by two-stroke engine
US-2023323799-A1 · Oct 12, 2023 · US
Small air-cooled engine with catalytic converter with ruthenium catalyst
US-2023313719-A1 · Oct 5, 2023 · US
V-twin engine assembly
US-11767786-B2 · Sep 26, 2023 · US
Engine
US-11732634-B1 · Aug 22, 2023 · US
Pressurized oil system powered by two-stroke engine
US-11702965-B2 · Jul 18, 2023 · US
Engine exhaust heat management system
US-2023085266-A1 · Mar 16, 2023 · US
Engine cooling structure for motorcycle
US-11565583-B2 · Jan 31, 2023 · US
Engine exhaust heat management system
US-11530636-B2 · Dec 20, 2022 · US
V-twin engine assembly
US-2022349334-A1 · Nov 3, 2022 · US
Internal combustion engine
US-2022298956-A1 · Sep 22, 2022 · US
V-Twin engine assembly
US-11408325-B2 · Aug 9, 2022 · US
Pressurized oil system powered by two-stroke engine
US-2022162969-A1 · May 26, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01P2001/023?
- CPC F01P2001/023 is the Cooperative Patent Classification code for “Cooling cylinders (F01P2003/022 takes precedence).”
- How many patents are filed under CPC F01P2001/023 (Cooling cylinders (F01P2003/022 takes precedence))?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC F01P2001/023 growing?
- Publication counts under this code: 6 in 2024 vs 1 in 2025 (latest complete years).