Class 007
Machinery Products
Separating and classifying devices useful in screening, thickening, washing, dewatering, classifying and clarifying fluid mixtures particularly liquid-solid mixtures, applicable to separating and/or recovering useful constituents of such mixtures.
Class 011
Environmental Control Instrument Products (lighting,heating,cooling,cooking)
Liquid separators in the nature of pulp screening apparatus, washers, thickeners, dewatering apparatus, classifiers, clarifiers, and sewage treatment plants.
