Exhaust restriction device for improved sensor signal
US-11746685-B2 · Sep 5, 2023 · US
the flap having movable parts fixed onto it · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02D9/102 |
| Official title | {the flap having movable parts fixed onto it} |
| Display label | the flap having movable parts fixed onto it |
| Total patents | 7 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be growing based on the most recent years.
| Year | Patents |
|---|---|
| 2018 | 2 |
| 2020 | 2 |
| 2021 | 1 |
| 2023 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11746685-B2 · Sep 5, 2023 · US
US-2023235690-A1 · Jul 27, 2023 · US
US-11149656-B1 · Oct 19, 2021 · US
US-10871111-B2 · Dec 22, 2020 · US
US-2020131998-A1 · Apr 30, 2020 · US
US-2018298831-A1 · Oct 18, 2018 · US
US-10041419-B2 · Aug 7, 2018 · US