Valve
US-11578804-B2 · Feb 14, 2023 · US
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having two or more valve-closing members
having two or more valve-closing members · 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 | F02M26/69 |
| Official title | having two or more valve-closing members |
| Display label | having two or more valve-closing members |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Vaned valve for exhaust gas recirculation line
US-11441521-B2 · Sep 13, 2022 · US
Valve
US-2021341062-A1 · Nov 4, 2021 · US
Systems and methods for exhaust gas recirculation valve calibration
US-11143124-B2 · Oct 12, 2021 · US
Systems and methods for exhaust gas recirculation valve calibration
US-2021262402-A1 · Aug 26, 2021 · US
Dual element engine gas valve
US-11022079-B1 · Jun 1, 2021 · US
Vaned valve for exhaust gas recirculation line
US-2020173400-A1 · Jun 4, 2020 · US
Apparatus and method for exhaust gas recirculation
US-10458370-B2 · Oct 29, 2019 · US
Apparatus and Method for Exhaust Gas Recirculation
US-2018258887-A1 · Sep 13, 2018 · US
Exhaust gas recirculation valve, thawing system of exhaust gas recirculation valve, and engine
US-10030618-B2 · Jul 24, 2018 · US
Mixing valve of an internal combustion engine
US-9771898-B2 · Sep 26, 2017 · US
Discharge valve and associated device
US-9732668-B2 · Aug 15, 2017 · US
Exhaust gas recirculation valve, thawing system of exhaust gas recirculation valve, and engine
US-2017074216-A1 · Mar 16, 2017 · US
Three-way valve with top end-stop on the air pathway
US-9534698-B2 · Jan 3, 2017 · US
Valve device for an internal combustion engine
US-9410469-B2 · Aug 9, 2016 · US
Three-way valve with return end-stop on the air pathway
US-9273786-B2 · Mar 1, 2016 · US
Exhaust-gas cooling module for an internal combustion engine
US-9239031-B2 · Jan 19, 2016 · US
Discharge valve and associated device
US-2015369120-A1 · Dec 24, 2015 · US
Exhaust gas recirculation valve
US-9175646-B2 · Nov 3, 2015 · US
Valves
US-2015122236-A1 · May 7, 2015 · US