7
Pumps (machines), particularly pumps for heating installations and water supply (except for pumps for medical purposes); motors, particularly electric motors (except for land vehicles); spare parts for pumps and motors included in this class
9
Regulating and controlling apparatus included in this class; electro-technical apparatus and instruments included in this class; software
11
Heating installations; heating apparatus; hot water apparatus; heating boilers; heating elements; air-conditioning installations, water conduit installations; heat pumps; heat accumulators, pressure accumulators as parts of heating and/or water conduit installations, insulation tubes as part of pumps and heating and/or water conduit installations