4. Hazardous or toxic waste destruction or containment
  5. Containment
  6. Solidification, vitrification, or cementation

David Stewart Conochie

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Enhanced heat transfer system

Drying and gas or vapor contact with solids – Process – With contacting of material treated with solid or liquid agent
Reexamination Certificate

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Heating with steam

Fuel and related compositions – Coal treating process or product thereof
Reexamination Certificate

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Liquid/gas/solid separation vessel apparatus

Drying and gas or vapor contact with solids – Process – With contacting of material treated with solid or liquid agent
Reexamination Certificate

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Method and an apparatus for upgrading a solid material

Fuel and related compositions – Coal treating process or product thereof – Removal of undesirable
Reexamination Certificate

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Stabilizing thermally beneficiated carbonaceous material

Fuel and related compositions – Coal treating process or product thereof
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1878753

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