Two-stroke engine and method for operating a two-stroke engine
US-11976587-B2 · May 7, 2024 · US
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Control of inlet or outlet ports
Control of inlet or outlet ports · 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 | F02B33/30 |
| Official title | Control of inlet or outlet ports |
| Display label | Control of inlet or outlet ports |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 1 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 1 |
| 2023 | 2 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Two-stroke engine and method for operating a two-stroke engine
US-2023399974-A1 · Dec 14, 2023 · US
Two-stroke engine and method for operating a two-stroke engine
US-11773767-B2 · Oct 3, 2023 · US
Two-stroke engine and method for operating a two-stroke engine
US-2021254544-A1 · Aug 19, 2021 · US
Internal combustion engine and method for its operation
US-10858985-B2 · Dec 8, 2020 · US
Mixture-lubricated four-stroke engine
US-10801396-B2 · Oct 13, 2020 · US
Engine exhaust catalyst heating system
US-10458300-B2 · Oct 29, 2019 · US
Internal Combustion Engine and Method for Its Operation
US-2019323418-A1 · Oct 24, 2019 · US
Mixture-lubricated four-stroke engine
US-2019218961-A1 · Jul 18, 2019 · US
Engine system
US-2018058289-A1 · Mar 1, 2018 · US
Stratified scavenging two-stroke engine
US-9869235-B2 · Jan 16, 2018 · US
Two-stroke engine with variable scavenging port
US-9429067-B2 · Aug 30, 2016 · US
Stratified scavenging two-stroke engine
US-2015377117-A1 · Dec 31, 2015 · US
Stratified scavenging two-stroke engine
US-9206736-B2 · Dec 8, 2015 · US
Two-stroke engine, sand core for producing a two-stroke engine, and method for operating a two-stroke engine
US-9175598-B2 · Nov 3, 2015 · US
Internal combustion engine, in particular two-stroke internal combustion engine
US-9151213-B2 · Oct 6, 2015 · US
Two-stroke engine with variable scavenging port
US-2015184579-A1 · Jul 2, 2015 · US