7
Machines, motors, engines and installations for energy technology and environmental engineering; conveyor installations and machines; gas-generating installations and machines; machines and installations for gas supplying, gas disposal, gas treatment and gas consumption; generators, namely power/electric generators; compressors; turbines; motors and engines (except for land vehicles), in particular combustion engines and gas turbines; mainly for natural gas, sewage gas, biogas, landfill gas and mine gas; machine coupling and transmission components (except for land vehicles)
9
Scientific, surveying, photographic, optical, measuring and checking (supervision) apparatus and instruments, in particular for energy technology and environmental engineering; apparatus and instruments for conducting, switching, transforming, accumulating, adjusting or controlling electric current; devices for the recording, transmission and playback of sound and images; data processing equipment and computers; analysis apparatus, not for medical purposes, in particular for gas and liquids; chemical apparatus and instruments; electric regulating apparatus; electric measuring devices; electrical apparatus for commutation; monitoring apparatus, electric; meters; measuring instruments; fuel cells, in particular for hydrogen, natural gas, sewage gas, biogas, landfill gas and hydrocarbon vapours
11
Heating, steam generating, refrigerating, drying and ventilating installations and apparatus; boiler installations; block-type thermal power stations; water purification installations; flare stacks for use in oil refineries; purification installations for sewage; steam boilers [other than parts of machines]; gas burners; gas generators (installations); gas boilers; gas condensers; Gas scrubbing apparatus; scrubbers [parts of gas installations]; regulating and safety accessories for gas apparatus; regulating and safety accessories for gas pipes; evaporators; heat pumps; heat regenerators; heat accumulators; heat exchangers; flares
37
Services for construction; building installation services; engineering, namely maintenance and repair of installations and apparatus for energy technology and environmental engineering
42
Scientific and technological services and research; technical measuring and testing; Chemistry services; engineering; engineering, namely monitoring, remote monitoring, analysis, remote analysis, control and remote control of installations and apparatus for energy technology and environmental engineering; technical tests and checks; technical measuring; conducting scientific experiments; industrial analysis and research; calculating emissions and immissions; determining concentrations of hazardous materials; providing of expert opinion; scientific reports; chemical research; technical research; mechanical research; franchising; namely providing technical expertise; installation of computer programs; construction drafting; research physics; technical consultation services; technical project planning