Air cleaning units; Air conditioners; Air exchangers for cleaning and purifying air; Air filtering installations; Air filters for air conditioning units; Air handlers; Air purifiers; Air purifiers for automobiles; Air purifying apparatus; Air purifying apparatus and machines; Air sterilisers; Combination ozone sanitizer and electric deodorizing units; Electric air deodorizing apparatus; Emission control systems comprised primarily of indirect contact heat exchangers and ozone-based control de...

Air purifiers; Air purifiers for automobiles; Air purifying apparatus; Air purifying apparatus and machines; Air cleaning units; Air conditioners; Air exchangers for cleaning and purifying air; Air filtering installations; Air filters for air conditioning units; Air handlers; Air sterilisers; Ionization apparatus for the treatment of air; Oxygen generator based on thermal decomposition of oxygen rich salts; Oxygen generator for processing water by increasing oxygen content in the water; Ozone...