Plants being combinations of machines for the production of sponge iron (directly reduced iron); extraction machines for exhaust gases; shut-off valves [parts of machines], gate valves; transport and conveying machines; conveyors and conveyors belts; bucket conveyors; archimedian screws (screw pumps); dust removing installations for cleaning purposes; cyclones; electric driving motors for machines; regulators [parts of machines]; systems for generating hydrogen, in particular for generating hydrogen by electrolysis, for example proton exchange membrane electrolysis or alkaline electrolysis, by natural gas pyrolysis or steam reforming; compressors for gases; machines for fine ore reduction; nozzles as machine parts for injecting gases containing fine substances, hydrogen and carbon; parts and accessories (not included in other classes) for the aforesaid goods

Furnaces; furnaces for metallurgical purposes; furnaces for the reduction of iron ores and for the production of sponge iron (directly reduced iron); control devices for furnaces for the reduction of iron ores and for the production of sponge iron (directly reduced iron); gas cleaning systems for exhaust gases and process gases; separator for gas cleaning of exhaust gases and process gases; wet or dry separators (gas cleaning devices) for industrial purposes; industrial drying installations; industrial drying systems based on fluidized beds; industrial drying systems for drying raw materials; heat exchangers, other than parts of machines; gas heating systems, in particular heat exchangers and recuperators for preheating gases; automatic devices for preheating minerals; reactors for metallurgical industrial plants, especially for fine ore reduction; fluidized bed based reactors for metallurgical industrial plants; reactors for gas-solids reactions; reactors as chemical industrial plants for the production of hydrogen; charging systems for industrial furnaces, for industrial drying systems, for reactors for metallurgical industrial systems, for reactors for gas-solid reactions and for reactors as chemical industrial systems for the production of hydrogen; material locks as part of the aforesaid goods; installations for the collection of gases; loading apparatus for systems for the production of sponge iron (directly reduced iron); control devices as parts of the aforesaid goods; parts and accessories (not included in other classes) for the aforesaid goods