Valve device
US-2022243688-A1 · Aug 4, 2022 · US
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in response to exhaust pressure
in response to exhaust pressure · 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 | F02M26/61 |
| Official title | in response to exhaust pressure |
| Display label | in response to exhaust pressure |
| Total patents | 4 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2020 | 2 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pressure measurement apparatus for an engine
US-10830190-B2 · Nov 10, 2020 · US
Exhaust system with exhaust gas heat recovery assembly and method for operation of the exhaust system
US-2020291905-A1 · Sep 17, 2020 · US
Pressure measurement apparatus for an engine
US-2018135570-A1 · May 17, 2018 · US