9
Physical, electric and electronic measuring, control and regulating devices, included in class 9, in particular for solar-powered, oil-fired or gas-fired heating, refrigerating, ventilating and water supply apparatus, water heaters, in particular instantaneous water heaters, storage water heaters, combined central heating or service water heaters, boilers, burners and heat accumulating apparatus; Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; Software and hardware; Measuring, signalling and checking (supervision) apparatus, in particular measuring instruments for recording room temperature values, volume flows and processing thereof in building technology; Parts and fittings for the aforesaid goods, included in this class
11
Installations for heating and refrigerating; Solar installations for heating; Heating apparatus; Water heaters; Heating boilers; Air-conditioning installations; Water conduits installations; Drinking water heating installations; Heat pumps, Heat accumulators; Accumulators being parts of heating and/or water supply installations; Apparatus for heating, refrigerating, water supply and sanitary purposes; Expansion tanks for central heating installations, pressure water tanks, filters (parts of household or industrial installations), water filtering apparatus, pipe line cocks (spigots), pipes (parts of sanitary installations), mixer taps for water pipes, regulating accessories for water apparatus and pipes, solar thermal collectors (heating), heat accumulators, thermostatic valves (parts of heating installations), heat exchangers, not parts of machines; Sanitary installations and equipment, regulating accessories and safety accessories for water installations; Taps, backflow preventers, circulation pumps, flushing devices for drinking water and other fittings of metal, for heating, refrigerating, drinking water and solar installations; Individual parts and fittings for the aforesaid goods, included in this class