4. Drying and gas or vapor contact with solids
  5. Apparatus
  6. Rotary drums or receptacles

David L. Briggs

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Oil recovery system

Liquid purification or separation – With means to add treating material – Directly applied to separator
Patent

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Quiet operating industrial dryer

Drying and gas or vapor contact with solids – Apparatus – Rotary drums or receptacles
Patent

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Quiet operating industrial dryer with a combustion burner grate

Drying and gas or vapor contact with solids – Apparatus – Rotary drums or receptacles
Patent

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Recycling process and apparatus

Liquid purification or separation – Processes – Ion exchange or selective sorption
Reexamination Certificate

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Profile ID: LFUS-PAI-P-504142

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