4. Electric heating
  5. Heating devices
  6. Combined with container, enclosure, or support for material...

Robert D. Shirey

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Electric heating elements

Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent

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Method of making electric immersion heaters

Metal working – Method of mechanical manufacture – Electrical device making
Patent

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Resistors with heat sink

Electricity: electrical systems and devices – Safety and protection of systems and devices – Impedance insertion
Patent

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Screw plug mounting for an electric immersion heater

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent

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Screw plug mounting for an electric immersion heater

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent

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Profile ID: LFUS-PAI-P-447404

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