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Apparatus for producing and recovering overbased petroleum sulfo

Mineral oils: apparatus – Refining – With filtration
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Apparatus for reclaiming fuel oil from waste oil

Mineral oils: apparatus – Refining – With filtration
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Apparatus for reclaiming used lubricating oils

Mineral oils: apparatus – Refining – With filtration
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Apparatus for reclaiming useful oil products from waste oil

Mineral oils: apparatus – Refining – With filtration
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Apparatus for removing solid and volatile contaminants

Mineral oils: apparatus – Refining – With filtration
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Apparatus for removing solid and volatile contaminants from liqu

Mineral oils: apparatus – Refining – With filtration
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Apparatus for treating tar sands emulsion

Mineral oils: apparatus – Refining – With filtration
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Apparatus for upgrading heavy hydrocarbons employing a diluent

Mineral oils: apparatus – Refining – With filtration
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Apparatus from waste oil for reclaiming a useful oil product

Mineral oils: apparatus – Refining – With filtration
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Asphalt blowing vessel

Mineral oils: apparatus – Refining – With filtration
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Conical screen structure

Mineral oils: apparatus – Refining – With filtration
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Control system for an MP refining unit receiving medium sweet ch

Mineral oils: apparatus – Refining – With filtration
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Control system for an N-methyl-2-pyrrolidone refining unit recei

Mineral oils: apparatus – Refining – With filtration
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Crude oil emulsion treating apparatus

Mineral oils: apparatus – Refining – With filtration
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Deep conversion combining the demetallization and the...

Mineral oils: apparatus – Refining
Reexamination Certificate

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Electrical heating apparatus for removing vaporizable impurities

Mineral oils: apparatus – Refining – With filtration
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Fractionation column for reclaiming used lubricating oil

Mineral oils: apparatus – Refining – With filtration
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Heater treater waste heat recovery system

Mineral oils: apparatus – Refining – With filtration
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In-line separator for crude oil

Mineral oils: apparatus – Refining – With filtration
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Method and apparatus for cleaning petroleum emulsion

Mineral oils: apparatus – Refining – With filtration
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