Systems and methods for tuning propeller noise
US-11217217-B2 · Jan 4, 2022 · US
Automatic musical instruments · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G10F1/00 |
| Official title | Automatic musical instruments |
| Display label | Automatic musical instruments |
| Total patents | 5 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2018 | 1 |
| 2020 | 2 |
| 2022 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11217217-B2 · Jan 4, 2022 · US
US-2020335077-A1 · Oct 22, 2020 · US
US-10714069-B1 · Jul 14, 2020 · US
US-9953545-B2 · Apr 24, 2018 · US
US-2016379514-A1 · Dec 29, 2016 · US