4. Specialized metallurgical processes, compositions for use therei
  5. Processes
  6. Electrothermic processes

Larry J. Lehtinen

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Method for upgrading iron ore utilizing multiple magnetic separa

Solid material comminution or disintegration – Processes – With classifying or separating of material
Patent

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Mixed bed iron reduction process

Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent

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Process, method and system for removing mercury from fluids

Liquid purification or separation – Materials removed – Cumulative poison
Reexamination Certificate

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Process, method and system for removing mercury from fluids

Liquid purification or separation – Materials removed – Cumulative poison
Reexamination Certificate

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Profile ID: LFUS-PAI-P-970384

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