Steam boilers; Burners.

Installation, maintenance and repair of steam boilers, burners, installation and maintenance of intelligent systems for telemonitoring of steam boilers and burners, remote monitoring of the energy consumption of steam boilers and burners.

Chain grate stoker.

Water tube steam boilers, steam superheaters and parts for the aforesaid goods.

Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal not included in other classes; ores.

Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs; adhesive bands for pulleys; alternators; anti-friction bearings for machines; anti- friction pads for machines; anti-pollution devices for motors and engines; aprons [parts of machines]; axles for machines; ball rings for bearings; ball-bearings; bands (adhesive -) for pulleys; bearing brackets for machines; bearings (ball rings for -); belts (dynamo -); belts for conveyors; blade holders [parts of machines]; blades (chaff cutter -); blades [parts of machines]; boiler scale collectors (machine -); boiler tubes [parts of machines]; brackets (bearing -) for machines; bridges (roller -); carriage aprons; cartridges for filtering machines; catalytic converters; clack valves [parts of machines]; collectors (machine boiler scale -); condensers [steam] [parts of machines]; control cables for machines, engines or motors; control mechanisms for machines, engines or motors; controls (hydraulic -) for machines, motors and engines; controls (pneumatic -) for machines, motors and engines; cowlings [parts of machines]; cylinders for machines; dashpot plungers [parts of machines]; diaphragms (pump -); door openers and closers (hydraulic -) [parts of machines]; door openers and closers (pneumatic -) [parts of machines]; drain cocks; drums [parts of machines]; dynamo belts; dynamo brushes; expansion tanks [parts of machines]; fan belts for motors and engines; fans for motors and engines; feeders [parts of machines]; feeding apparatus for engine boilers; filters [parts of machines or engines]; filters for cleaning cooling air, for engines; fittings for engine boilers; flues for engine boilers; fly-wheels (machine -); freewheels other than for land vehicles; fuel conversion apparatus for internal combustion engines; grease boxes [parts of machines]; grease rings [parts of machines]; grindstones [parts of machines]; guards [parts of machines]; guides for machines; hammers [parts of machines]; hangers [parts of machines]; heat exchangers [parts of machines]; holding devices for machine tools; hoods [parts of machines]; housings [parts of machines]; hydraulic door openers and closers [parts of machines]; joints [parts of engines]; knives [parts of machines]; lubricators [parts of machines]; machine fly-wheels; machine wheels; machine wheelwork; millstones; molds [parts of machines]; moulds parts of machines]; pistons parts of machines or engines]; pistons for engines; pneumatic door openers and closers [parts of machines]; pressure reducers [parts of machines]; pressure regulators [parts of machines]; pressure valves [ parts of machines]; pulleys (adhesive bands for -); pump diaphragms; pumps [parts of machines, engines or motors]; punches for punching machines; radiators [cooling] for motors and engines; reducers (pressure -) [parts of machines]; reels [parts of machines]; regulators [parts of machines]; rings (ball -) for bearings; rings (grease -) [parts of machines]; rings (piston -); roller bearings; roller bridges; rolling mill cylinders; saw benches [parts of machines]; saw blades [parts of machines]; scale collectors (machine boiler -); self-oiling bearings; sharpening wheels [parts of machines]; shock absorber plungers [parts of machines]; shuttles [parts of machines]; silencers for motors and engines; speed governors for machines, engines and motors; springs [parts of machines]; stands for machines; stuffing boxes [parts of machines]; superchargers; tables for machines; taps [parts of machines, engines or motors]; tools (holding devices for machine -); tools [parts of machines]; tubes (boiler -) [parts of machines]; turbocompressors; valves (clack -) [parts of machines]; valves [parts of machines); water heaters [parts of machines].

Machines for crushing, sorting and classifying waste, in particular mills (machines), namely ball-tube mills and vibrating mills, in particular screening machines, namely drum and vibrating screening machines, screens for screening machines, in particular shredders, in particular crushers, namely jaw crushers, machines and installations composed thereof for recycling residues, in particular for obtaining ferrous metals, non-ferrous metals, namely copper and aluminium, paper and plastics; Machines and installations composed thereof for recycling tyres by means of pyrolysis and condensation for oil recovery, in particular heavy and light oil, in particular shredders, feeders (metering devices), rotary pyrolysis tubes, tar extractors, machines and installations composed thereof for using wind energy, and electronic regulating and control apparatus required therefor.

Machines and installations composed thereof for waste treatment and disposal, including thermal treatment of waste and trash, in particular for use in waste incineration installations and sewage sludge incineration installations, industrial installations, power stations; Parts for the aforesaid machines, included in class 11; Firing ovens for industrial purposes, industrial firing ovens, Combustion grates, Rotary kilns [for industrial purposes]; Gas and air purification installations and machines relating thereto, including mechanical filters for cleaning industrial gases, dust separators, parts for the aforesaid filters, included in class 11; Mechanical apparatus for cooling and drying gases and solid particles; Separators (machines), in particular electric separators, namely electric separators for filtering and flue gas purification installations, water separators in water treatment installations, high-voltage units being parts for electric filters; Dust removing installations for cleaning purposes, in particular flue gas purification installations, centrifuges, in particular hydrocyclones and installations composed thereof for separation; Flue gas purifying installations and parts therefor, included in class 11; Flue gas purifying reactors, denitrification installations; Machines and ovens for the thermal treatment of carbon for generating coal gas; Gas scrubbers, namely machines and mechanical filters for purifying gases; Combustion reactors; Steam generating apparatus; Machines and installations composed thereof for treating organic residues, namely by means of mechanical-biological waste treatment for obtaining reusable materials, namely compost, ferrous metals, non-ferrous metals and plastics and by means of fermentation for obtaining energy carriers, namely methane and methanol fur further material or energetic use; Installations for solar energy technology, solar power stations and components and apparatus therefor, namely solar cells, rectifiers, electronic regulating and control apparatus and solar installations composed of the aforesaid goods for generating electricity; Electronic regulating and control apparatus, being parts for solar collector installations for producing hot water, and power stations, machines and installations composed thereof for exhaust gas scrubbing.