U.S. federal trademark · Serial No. 79436187
Maintenance and cleaning of machines and installations; construction of pipelines
Heat exchangers, other than parts of machines; heat regenerators; air dryers, freeze dryers, blow dryers; purification installations for flue gas, exhaust gas, drawing-off air, sewage; installations for processing and recycling of oil, lubrication grease, sewage; installations for processing of drinking water and industrial water; installations for the disposal of pollutants; refrigerating installations; clean room installations
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.