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AC controller with reverse blocking IGBT

Electricity: power supply or regulation systems – External or operator controlled – Phase controlled switching using electronic tube or a three...
Reexamination Certificate

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AC power control apparatus

Electricity: power supply or regulation systems – External or operator controlled – Phase controlled switching using electronic tube or a three...
Patent

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AC Power control circuit

Electricity: power supply or regulation systems – External or operator controlled – Phase controlled switching using electronic tube or a three...
Patent

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AC power source controller

Electricity: power supply or regulation systems – External or operator controlled – Phase controlled switching using electronic tube or a three...
Reexamination Certificate

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AC to AC power converter for electronic devices having...

Electricity: power supply or regulation systems – External or operator controlled – Phase controlled switching using electronic tube or a three...
Reexamination Certificate

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AC/DC two-wire control techniques

Electricity: power supply or regulation systems – External or operator controlled – Phase controlled switching using electronic tube or a three...
Patent

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Alternating current power control circuit

Electricity: power supply or regulation systems – External or operator controlled – Phase controlled switching using electronic tube or a three...
Patent

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Alternating current power controller with DC transistor switchin

Electricity: power supply or regulation systems – External or operator controlled – Phase controlled switching using electronic tube or a three...
Patent

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Apparatus and method for controlling the supply of power to...

Electricity: power supply or regulation systems – External or operator controlled – Phase controlled switching using electronic tube or a three...
Reexamination Certificate

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Apparatus for feeding alternate polarity pulses to a load

Electricity: power supply or regulation systems – External or operator controlled – Phase controlled switching using electronic tube or a three...
Patent

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Arrangement in transformers

Electricity: power supply or regulation systems – External or operator controlled – Phase controlled switching using electronic tube or a three...
Patent

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Average power level controller

Electricity: power supply or regulation systems – External or operator controlled – Phase controlled switching using electronic tube or a three...
Patent

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