WALLSTEIN Trademark

Heat exchangers, other than parts of machines; Heat exchangers, other than parts of machines, namely, heat regenerators; Electric air dryers; Freeze drying equipment, namely, lyophilizers; Blow dryers, namely, industrial blow dryers; Gas purification installations, namely, purification installations for flue gas and for exhaust gas; Sewage purification installations; Air purifiers, namely, purification installations for drawing-off air; installations for processing sewage, namely, waste processing machines using heat and chemical breakdown processes; installations for processing and recycling of oil, namely, used oil recovery units; installations for processing of drinking water and industrial water, namely, oxygen generator for processing water by increasing oxygen content in the water; installations for the disposal of pollutants, namely, regenerative thermal oxidizer used to destroy air pollutants from industrial operations; refrigerating installations; clean room installations

Maintenance and cleaning of machines; Maintenance and cleaning of installations, namely, heating installations; construction of pipelines