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 devices using gas and vapor condensing to control and treat emissions; Germicidal lamps for purifying air; Household air cleaners; Industrial air purifiers; Ionization apparatus for the treatment of air; Microbubble generators for baths; Oxygen generator based on thermal decomposition of oxygen rich salts; Oxygen generator for processing water by increasing oxygen content in the water; Ozone generators that kill mold and mildew; Ozone sanitizers for air and water; Ozone and hydroxyl radical sanitizers for sanitizing the food zone of an ice maker in commercial ice machines; Portable electric warm air dryer; Sanitizing apparatus for linens using ultraviolet light, ozone sterilization and low pressure techniques