a device of geometrical patterns

[Class - 37]

Construction; repair; installation; maintenance; building; construction, installation, building, maintenance and repair of machines and plants, especially of machines and plants for the production of refractory products, anodes, cathodes and electrodes as well as of ceramic products, particularly of ceramic products in the form of technical ceramics, sanitaryware, tableware and ceramic refractory products; construction, installation, building, maintenance and repair of machines and plants, especially of furnaces, particularly of furnaces for the production of refractory products, anodes, cathodes and electrodes as well as of ceramic products, particularly of ceramic products in the form of technical ceramics, sanitaryware, tableware and ceramic refractory products.

[Class - 19]

Refractory ceramic parts as kiln furniture for industrial furnaces, ceramic rollers for roller hearth furnaces; building materials, construction materials, building elements and construction elements, in each case not of metal; refractory building materials, construction materials, building elements and construction elements, in each case not of metal; ceramic shapes for use in industrial furnaces; tubes, not of metal, for building or construction purposes; parts and fittings of all of the aforesaid goods, included in this class.

[Class - 11]

Industrial furnaces, as included in class 11, furnace linings, burners, furnace vehicles, industrial dryers, as included in class 11, refrigerators and –devices for the cooling compartment of industrial furnaces; industrial treatment installations, namely, gas filters and –cleaners, industrial ovens and furnaces [not for foods and beverages]; flues and installations for conveying exhaust gases; burners, boilers and heaters; fireplaces; filters for industrial use; drying installations; regulating and safety accessories for gas installations; parts and fittings of all of the aforesaid goods, included in this class.

[Class - 7]

Electric, hydraulic and pneumatic drives for machines and motors, drive chains, transmissions shafts; pumps, compressors and fans; opening and closing mechanisms; lifting and hoisting equipment; conveyors and conveyor belts; machines; motors, excluding motors for land vehicles; drives, machine parts and controls for the operation of machines and motors; dispensing machines; parts and fittings of all of the aforesaid goods, included in this class.