4. Electric heating
  5. Metal heating
  6. Of cylinders

William L. Hughes

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Dual voltage generator system

Electrical transmission or interconnection systems – Plural supply circuits or sources
Patent

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Heating collar with quadrafilar windings

Electric heating – Metal heating – Of cylinders
Patent

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Induction heated rotary kiln

Electric heating – Metal heating – Of cylinders
Patent

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Magnetically regulated power supply

Electric power conversion systems – Current conversion – With condition responsive means to control the output...
Patent

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Method of converting organic material into useful products and d

Liquid purification or separation – Processes – Separating
Patent

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Profile ID: LFUS-PAI-P-316358

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