Multi-port exhaust valve
US-12553402-B2 · Feb 17, 2026 · US
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specially for two-stroke engines (F01L7/04 takes precedence)
specially for two-stroke engines (F01L7/04 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 | F01L7/12 |
| Official title | specially for two-stroke engines (F01L7/04 takes precedence) |
| Display label | specially for two-stroke engines (F01L7/04 takes precedence) |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Exhaust valve assembly for a two-stroke internal combustion engine
US-11891930-B2 · Feb 6, 2024 · US
Multi-port exhaust valve
US-2023359403-A1 · Nov 9, 2023 · US
Multi-port exhaust valve for two-stroke engines
US-11761358-B2 · Sep 19, 2023 · US
Multi-port exhaust valve for two-stroke engines
US-2023258110-A1 · Aug 17, 2023 · US
Exhaust valve assembly for a two-stroke internal combustion engine
US-2022178282-A1 · Jun 9, 2022 · US
Exhaust valve assembly for a two-stroke internal combustion engine
US-11236651-B2 · Feb 1, 2022 · US
Exhaust valve assembly for a two-stroke internal combustion engine
US-2021003052-A1 · Jan 7, 2021 · US
Automatic fuel shutoff
US-9739214-B2 · Aug 22, 2017 · US
Automatic Fuel Shutoff
US-2016131047-A1 · May 12, 2016 · US
Automatic fuel shutoff
US-9261030-B2 · Feb 16, 2016 · US