(under subclass 153) Apparatus with means to recirculate a liquid therebetween.
SEE OR SEARCH THIS CLASS, SUBCLASS:
194+, for purifiers or separators with recirculation means.
SEE OR SEARCH CLASS
68, Textiles: Fluid Treating Apparatus,
18, for a recirculating system including a fluid textile treating means and purifying means for the used solvent. 118, Coating Apparatus,
600+, for coating apparatus with means for treatment of the coating material involving separation and recirculation.
123, Internal-Combustion Engines,
41.55, for internal and combustion engine cooling system combined with a strainer, and subclass 196 for internal combustion engine lubricator means combined with liquid purifying means.
134, Cleaning and Liquid Contact With Solids,
10+, and 109+ for cleaning and liquid contact processes and apparatus having means for rehabilitating the treating fluid.
