4. Electric heating
  5. Metal heating
  6. By arc

Henning Hansen

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Articulated support arm

Electric heating – Metal heating – By arc
Patent

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Controlled breaking of cables in a well casing

Wells – Means for cutting cable or rope below ground – Cutting means actuated by contacting element suspended in...
Reexamination Certificate

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Device for selective movement of well tools and also a...

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Heating installation comprising a boiler and a heat pump

Heat exchange – Movable heating or cooling surface – Rotary drum
Patent

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High-frequency coaxial cable

Electricity: conductors and insulators – Conduits – cables or conductors – Insulated
Reexamination Certificate

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Profile ID: LFUS-PAI-P-288111

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