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Process for cleaning undeslimed coal

Classifying – separating – and assorting solids – Fluid suspension – Liquid
Patent

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Process for coal beneficiation by froth flotation employing pret

Classifying – separating – and assorting solids – Fluid suspension – Liquid
Patent

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Process for coal flotation using 4-methyl cyclohexane methanol f

Classifying – separating – and assorting solids – Fluid suspension – Liquid
Patent

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Process for concentrating lead and silver by flotation in produc

Classifying – separating – and assorting solids – Fluid suspension – Liquid
Patent

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Process for concentrating mica in a mixture of sand and mica

Classifying – separating – and assorting solids – Plural – diverse separating operations – Aqueous suspension and sifting
Patent

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Process for concentration of gold and uranium magnetically

Classifying – separating – and assorting solids – Special applications
Patent

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Process for concentration of minerals

Classifying – separating – and assorting solids – Fluid suspension – Liquid
Patent

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Process for controlling a sand and gravel sorting and sizing dev

Classifying – separating – and assorting solids – Stratifiers – With liquid treatment
Patent

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Process for controlling operation of a flotation cell

Classifying – separating – and assorting solids – Fluid suspension – Liquid
Reexamination Certificate

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Process for converting wet fly ash into dry useful...

Classifying – separating – and assorting solids – With heat treatment
Reexamination Certificate

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Process for de-inking paper pulp and flotation cell used for...

Classifying – separating – and assorting solids – Fluid suspension – Liquid
Reexamination Certificate

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Process for determining the soundness of sowing seeds and their

Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Patent

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Process for dewatering coal slurries

Classifying – separating – and assorting solids – Precedent preparation of items or materials to facilitate... – Selective differentiation
Patent

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Process for distinguishing plumbing parts by the coatings applie

Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Patent

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Process for dressing kaolinite by flotation

Classifying – separating – and assorting solids – Fluid suspension – Liquid
Patent

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Process for dressing kaolinite by flotation

Classifying – separating – and assorting solids – Fluid suspension – Liquid
Patent

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Process for electrostatic separation of pyrite from crude coal

Classifying – separating – and assorting solids – Precedent preparation of items or materials to facilitate... – Selective differentiation
Patent

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Process for enriching nickel-bearing oxide ores

Classifying – separating – and assorting solids – Precedent preparation of items or materials to facilitate... – Sorting special items or sorting by methods and apparatus...
Patent

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Process for enrichment, by flotation, of phosphate ores with gan

Classifying – separating – and assorting solids – Precedent preparation of items or materials to facilitate... – Selective differentiation
Patent

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Process for extracting and purifying naturally occurring...

Classifying – separating – and assorting solids – Fluid suspension – Liquid
Reexamination Certificate

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