IC 011. US 013 021 023 031 034. G & S: Heating installations; Heating units for industrial purposes; Steam generators; Steam generating installations; Refrigerators; Refrigerating machines and installations; Drying apparatus for use in heating, ventilation systems, air conditioning systems, and refrigeration systems; Air-conditioning, air cooling, and ventilation apparatus and instruments; Water heaters; Water purification installations; Water softening apparatus and installations; Water filtering apparatus; Heat exchangers not being parts of machines, namely, plate heat exchangers; Heat pumps; Heat generators; Heat accumulators; parts and fittings for the foregoing goods
IC 037. US 100 103 106. G & S: Building construction; Installation of pipelines and pipeline components; Installation of heating, ventilating, and air conditioning equipment; Maintenance and repair of milling machines, drilling machines, and welding machines; Rental of construction machines, namely, milling machines, drilling machines, and welding machines; Maintenance, cleaning, and repair of heating and boiler installations, namely, steam boilers; Installation, maintenance, and repair of pipelines, pipes and parts of pipes, namely, for industrial plants, chemical and petrochemical plants, power plants, shipbuilding, in heating installations, and in compressor stations
IC 040. US 100 103 106. G & S: Treatment of materials, namely, welding, hardening, plating, and coating of pipes; Metal processing and refinement, namely, surface treatment in the nature of metal treatment; Metal casting; Rental of machines for use in metalworking and manufacturing, namely, milling machines, drilling machines, and welding machines
IC 042. US 100 101. G & S: Scientific and technological services, namely, research and design in the field of metal processing; Industrial research and analysis in the field of metal machining; Construction drafting; Technical consulting concerning the design of pipes and pipe systems, for milling, drilling, and welding works, for tool and mold engineering, in mechanical engineering, and in vehicle and aircraft engineering; Surveying in the field of metal machining
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