Solar collectors, solar heat collection panels; solar light fixtures, namely, indoor and outdoor solar powered lighting units and fixtures; solar thermal installations, namely, solar thermal modules; solar water heaters; domestic electric and gas cooking appliances, namely, cooking rings, gas and electric stoves; gas and electric ovens and cooktops; heat exchangers; chemical heavy wall reactors and nuclear reactors and accessories and component parts thereof, namely, heat pumps, steam valves and valves for regulating the flow of gases and liquids; electric lamps of all kinds and their parts; electric lighting fixtures and their parts; electric refrigerators, freezers, air conditioning apparatus, electric ovens, ranges; microwave ovens for cooking; wall cooking ovens for domestic use; food warming drawers; convection ovens, electric and gas cook tops; electric and gas cooking ovens and ranges; ventilation hoods for stoves; and ventilating exhaust fans; water filters; water softening units; water heaters; clothes dryers; Laundry centers, namely, a clothes dryer combined with a clothes washer; electric fans, ceiling fans, flashlights; lamps and lights for vehicle; electric lights for Christmas trees; fluid separation units for industrial use in a wide variety of industries; fluid concentration units for industrial use in a wide variety of industries; fluid recycling units for industrial use in a wide variety of industries; polymeric membrane material for use in the separation of fluids; filter apparatus used for filtering solids from gases and liquids or filtering liquids from gases, and for filtering one immiscible liquid from another; spirally-wound elements or cartridges contained within a tubular plastic sleeve for concentrating products and removing impurities in fluid treatment systems; water conditioning units for residential purposes; reverse osmosis modules and membranes therefor; water purification units and systems consisting of clarifiers, electro deionization systems, condensate polishers, vacuum degasification units, ultra filtration units, ultraviolet sterilizers, ion exchangers, acid and caustic regeneration systems, Flow restrictors for reverse osmosis water purification units; Water treatment equipment, namely, reverse osmosis filtration units; forced draft decarbonator units, water filters, chemical feed systems and bulk storage units, sold with automatic controls and instruments to monitor operating parameters of the units and systems electrochemical liquid purification units for use in the industrial, commercial and municipal sectors; LED refrigerator lights