Drive circuit for a permanent magnet motor
US-10211762-B2 · Feb 19, 2019 · US
using a periodic interrupter, e.g. Tirrill regulator · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P7/066 |
| Official title | {using a periodic interrupter, e.g. Tirrill regulator} |
| Display label | using a periodic interrupter, e.g. Tirrill regulator |
| Total patents | 3 |
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 | 2 |
| 2019 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-10211762-B2 · Feb 19, 2019 · US
US-9344023-B2 · May 17, 2016 · US
US-2016043666-A1 · Feb 11, 2016 · US