• All sections
• H - Electricity
• H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling transformers, reactors or choke coils
• H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation

Patent holdings for IPC class H02P 27/08

Total number of patents in this class: 3473

10-year publication summary

Principal owners for this class