Reverse rotation of a motor configured for operation in a forward direction
US-9564843-B2 · Feb 7, 2017 · US
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Electricity
Electricity · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P23/0072 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 12 |
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 |
|---|---|
| 2015 | 5 |
| 2016 | 6 |
| 2017 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electric compressor
US-9479108-B2 · Oct 25, 2016 · US
Positive and negative rotation control circuit and fan system
US-2016186760-A1 · Jun 30, 2016 · US
Motor position controller
US-9312794-B2 · Apr 12, 2016 · US
Method for setting parameters of electronically-commutated motor for use as permanent-split capacitor motor
US-9270221-B2 · Feb 23, 2016 · US
Safety switching device for setting a safety-related device to a safe state
US-9239572-B2 · Jan 19, 2016 · US
Method for determining proper wiring of multiple 3 phase motors in a single system
US-9228767-B2 · Jan 5, 2016 · US
Reverse rotation detection and overspeed protection for power tool with brushless motor
US-9209724-B2 · Dec 8, 2015 · US
Driving apparatus and stop position detection method
US-9093931-B2 · Jul 28, 2015 · US
Electric power steering apparatus
US-9018876-B2 · Apr 28, 2015 · US
Electric actuator
US-8931757-B2 · Jan 13, 2015 · US
Electric actuator
US-8931756-B2 · Jan 13, 2015 · US