Class [11]
Environmental Control Instrument Products lighting heating cooling cooking
Containers and pipes or tubes, all of metal or plastics, all for water conditioning, water supply and waste water treatment; pipes, tubes or tubing of plastics, installations, apparatus and instruments, all for the biotechnological purification of industrial, municipal and agricultural waste waters; biogas producers; installations, apparatus and instruments, all for treating faecal waste; clarifying tanks of metal; biological purification tanks; aeration tanks; mechanical thrashrakes for purification plants; waste-water sampling instruments; container purification installations; sprinkler apparatus and instruments; evaporators; chlorinating apparatus; degassing apparatus; filtering and trickling apparatus and instruments; filters; gravel filters; gas filters; water filters; desalination apparatus; evaporation apparatus; installations, apparatus and instruments, all for water conditioning, water supply and for environmental protection; installations, apparatus and instruments, all for treating waste water, and for treating waste water specially adapted for the purification of toxic substances, and pesticides; waste-water purification apparatus; soil analyzing instruments; apparatus and instruments, all for cleaning contaminated soil, for the elimination of highly toxic substances by chemical processes and plasma technology; sieve-plate, rotary-disk, vibratory and high-pressure extractors; process furnaces; reactor pressure apparatus; ribbed tube registers; metal parts and apparatus of metal, all for nuclear power installations and for conventional power installations; combustion chambers; column packings; recuperators; installations, apparatus and instruments, all for plasma pyrolysis; installations, apparatus and instruments, all for flue gas desulfurization; apparatus and instruments, all for drinking water treatment and for the denitration of drinking water; apparatus for treating or processing bitumen; first-sample apparatus; ultraviolet radiators for treating raw water, industrial water or drinking water; instruments for chemical engineering and for water treatment and environmental technology; metal pipes or tubes and containers, all for the ventilating, heating and air conditioning technology; installations, apparatus and instruments, all for petroleum refining and the upgrading of coal; distillation columns of metal or plastics; rectification columns; washing towers of metal or plastics; apparatus and instruments, all for petroleum distillation by atmosphere or vacuum distillation; apparatus and installations, all for oil refining, oil desalination, crude-oil distillation, aromatics recovery, for hydrocracking, gasoline distillation and stabilization; installations, apparatus and instruments, all for coal gasification and hydrogenation; apparatus and instruments, all for the recovery of solvents, dimethyl formamide or methanol; apparatus and instruments, all for obtaining phenols and for producing alcohol; apparatus for alcohol distillation; installations, and apparatus, all for air cleaning, exhaust air purification and desulfurization; aeration apparatus; precoolers; recoolers; wet cleaners; separators; cyclones; heat exchangers; cooling circuit apparatus; pipe coolers; convection coolers; evaporation coolers; air or water guiding housing, of metal or plastics; steam generators; dryers, vapour dryers, pipe dryers; fluid-bed dryers; dryer housing; tube-bundle heat exchangers; double-tube heat exchangers, air coolers, plate heat exchangers, U-tube heat exchangers; combustion chambers; afterburning chambers; heat exchangers and burners for Claus installations; apparatus and instruments, all for vacuum technology; vacuum pumps; heating, steam generation, cooking, cooling, drying, ventilation and water transporting apparatus; air conditioning and ventilation apparatus; cooling towers; pumps, sprinklers; capacitors for power engineering; cold evaporation apparatus; solar collectors; all included in Class 11.
