publications; namely, newsletters and project reports for the oil refinery, petrochemical, chemical and pharmaceutical industries

VESSELS CONSISTING OF SEALED CHAMBERS, PACKING MATERIAL CONSISTING OF FILTER MATERIAL FOR INSTALLATION WITHIN SAID VESSELS, AND CONTACTOR TRAYS FOR USE IN SAID VESSELS TO INSURE MAXIMUM CONTACT BETWEEN CONSTITUENTS PASSING THERETHROUGH

TOWER PACKING-NAMELY, BALLAST RINGS

chemical refining process tower equipment; namely, liquid distributors for the control of liquid flow

vapor-liquid contact column internals for fractionation, distillation, refining and chemical processing

WOVEN STEEL ROD SECURITY PANELS

VESSELS CONSISTING OF SEALED CHAMBERS, PACKING MATERIAL CONSISTING OF FILTER MATERIAL FOR INSTALLATION WITHIN SAID VESSELS, AND CONTACTOR TRAYS FOR USE IN SAID VESSELS TO INSURE MAXIMUM CONTACT BETWEEN CONSTITUENTS PASSING THERETHROUGH