Respiratory therapy apparatus; Air support therapy devices; Apparatus for medical purposes; Apparatus for medical and therapeutic stimulation of the body; Apparatus for the therapeutic stimulation of the body; Apparatus for therapy; Apparatus for use in the improvement of respiration; Electrical machines for use in treating the human body; Electronic apparatus for therapeutic use; Apparatus for producing oxygen for medical use; Medical blood oxygenation devices; Oxygen enrichment apparatus for medical use; Oxygenators for medical use; Therapeutic apparatus for the administration of oxygen (medical)

Air conditioners; Oxidation apparatus; Air conditioning apparatus for commercial use; Air conditioning apparatus for residential use; Air processing (conditioning) apparatus; Air recirculating apparatus; Air handling apparatus; Air ionization apparatus; Accelerated ion devices (for treating the air); Air inductor apparatus (air conditioning); Light filters (other than for medical or photographic use); Installations for aerating air in enclosed spaces