4. Cleaning and liquid contact with solids
  5. Apparatus
  6. Automatic controls

Wallace L. Hilgren

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Anti-freeze recycling apparatus and method

Liquid purification or separation – Recirculation – Serially connected distinct treating or storage units
Patent

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HVAC heat transfer fluid recycling

Liquid purification or separation – Processes – Separating
Patent

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HVAC heat transfer fluid recycling

Liquid purification or separation – Processes – Separating
Patent

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Machine part cleaning apparatus

Cleaning and liquid contact with solids – Apparatus – Automatic controls
Patent

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Solvent cleansing apparatus

Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent

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Profile ID: LFUS-PAI-P-38969

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