U.S. federal trademark · Serial No. 86024410
Separators for the cleaning, purification and separation of liquids and gases; filters and filtering devices for use in heat and energy exchange columns and towers for cleaning, purification and separation of liquids and gases; cylindrical chamber and screen for use in heat and energy exchange columns and towers for filtering liquids and gases and removing settleable solids from liquids; all of the foregoing primarily of plastic and for use in the field of manufacturing of plastic articles used in process engineering, namely, distillation, absorption, desorption, extraction, and heat transfer
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