11 Installations for thermal process engineering and thermal material separation, namely, liquid distributors, collecting trays, liquid feed systems, bed supports, bed limiters, mist eliminators and gas distributors; distillation installations not for scientific purposes; distillation columns not for scientific purposes; distillation apparatus not for scientific purposes; refining installations for distillation not for scientific purposes; evaporators for chemical processing; electro-chemical flue gas scrubbing machines; exhaust air purifying installations; sewage purification installations; ammonia stripping installations, namely, clarification and thickening machines for use in treatment of liquids in the nature of water, waste water and industrial water; separators for the cleaning and purification of gases; fittings and parts of plastic, ceramic or metal, for material transfer installations and material transfer columns, in particular for distillation installations, distillation columns, flue gas, gas and exhaust gas purifying installations and sprinkling installations, namely, couplers, baffles, valve trays, sieve trays, dual-flow trays, bubble cap trays, tunnel trays, cascade trays, chimney trays, shower decks, tower packings, tower packing rings and carriers for beds; gas and liquid distributors, support grids, drop separators, collecting basins of plastic, ceramic or metal for material transfer installations and material transfer columns, in particular for distillation installations, distillation columns, flue gas, gas and exhaust gas purifying installations and sprinkling installations; heat accumulation media of plastic, ceramic or metal, in particular honeycomb elements; combustion installations for gaseous and liquid hazardous materials
Trademark: 79223924
