Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; lamp casings, lamp chimneys, lamp glasses, lamp globes, lamp mantles, lamp reflectors, lamp shades, lamps, lamps for directional signal of automobiles, lampshade holders, lanterns, lanterns for lighting, light bulbs, light bulbs, electric, light bulbs for directional signals for vehicles, light diffusers, light apparatus and installations, lighting apparatus for vehicles, lighting installations for air vehicles, lights for automobiles, lights for vehicles, luminous house numbers, luminous tubes for lighting, lamp reflectors, vehicle reflectors, ceiling lights; heat accumulators, heat exchangers, heat pumps, heat regenerators, heaters, (electric for feeding bottles), heaters for baths, heaters for heating irons, heaters for vehicles, heaters (immersion), heating apparatus, heating boilers, heating elements, heating filaments, heating installations, boiler pipes (tubes) for heating installations, boilers, other than parts of machines, central heating radiators, water heaters, radiators, solar collectors (heating) and apparatus; heating apparatus for solid, liquid or gaseous fuels, stoves; air conditioners for vehicles, air conditioning apparatus, air conditioning installations, air driers, air filtering installations; air purifying apparatus and machines; air reheaters, air sterilizers; air valves for steam heating installations and apparatus; air conditioners for vehicles, air cooling apparatus, air deodorizing apparatus; coolers for furnaces, cooling appliances and installations, cooling installations and machines, cooling installations for liquids, cooling installations for water; refrigerating apparatus and machines, refrigerating appliances and installations, refrigerating cabinets, chambers, containers, display cabinets, refrigerators, deep freezers, ice boxes, ice chests, ice machines and apparatus; cookers, cooking apparatus and iinstallations, cooking utensils, electric or gas, toasters, bread toasters, deep fryers (electric), grills (cooking appliances), ovens, furnaces; popcorn, coffee and tea machines (electric), kettles and apparatus; water closets, shower cubicles, showers, sinks, bidets, urinals, toilet seats, portable toilets, toilets, kitchen sinks; water or gas apparatus and pipes, faucets, level controlling valves, thermostatic valves, regulating accessories for water or gas apparatus and pipes, regulating and safety accessories for gas or water apparatus and pipes, fountains; water softening apparatus and installations; water purifying apparatus and machines, water purification installations, water sterilizers; hair dryers, hand drying apparatus for washrooms; heating cushions (pads) (electric), not for medical purposes, hot water bottles, footwarmers electric or non electric, bedwarmers; lighters, gas lighters; aquarium filtration apparatus, aquarium heaters, aquarium lights; ovens for industrial purposes; dryers for industrial purposes; cooling appliances and installations for industrial purposes, installations for removing dust, equipments for collecting dust; nuclear reactors; incandescent burners, acetylene burners, acetylene flares, acetylene generators; pasteurizers and sterilizers; laundry dryers (electric) fireplaces for iron melting; fuel economizers; coffee filters, electric; filters for air conditioning; filters for drinking water; filters (parts of household or industrial installations); air filtering installations; heating apparatus for defrosting windows of vehicles