TRIDELTA

porous ceramic particles for use as filtering media for gases and liquids for use in the chemical industry

high-melting casting alloys; metal casting forms for concrete; and kettles in the nature of metal containers for chemicals

grinding mills, agitators, blenders, blungers, dust presses for the preparation, processing and shaping of ceramic shapes for refractory furnaces; wear-resistant machine parts of ceramic or ceramic-metal-compound bodies, namely thread guides, rotary pumps, valves, and tools for milling machines and lathes; brake coupling linings for use on machine tools; and dies for use with machine tools

wear-resistant machine parts of ceramic or ceramic-metal compound bodies, namely gliding controls; pipes made of ceramic; apparatuses and instruments for the high-voltage current technique, namely over-voltage arresters, distribution and connection systems comprising line holders, connecting terminals, junction boxes and sockets, safety fuses, switches, switch contacts; electric and electronic control devices for machines of all kinds; switch contacts, ferrite magnets with soft-magnetic and permanent magnetic characteristics in ceramic or plastic combinations, assemblies containing ferrite magnets, namely relays, loudspeakers, locks and fasteners; piezoelectric and ferroelectric ceramic parts

heating resistor elements of ceramic; heating installations, namely hot chambers and sintering furnaces used in the manufacture of ceramics, gas and oil burners of ceramic and oven linings for use in the field of ceramic fabrication; cooling equipment, namely cooling snakes of ceramic for use in the field of chemistry; air and water purifying filters made from porous ceramic for commercial, domestic and industrial use; industrial ovens, namely kilns

precious metals and their alloys for machines, namely, sinter parts containing platinum and/or rhenium for X-ray tube anodes

isolators of ceramic; half-finished products of ceramic, namely, form parts for electrical installations; insulation material, namely ceramic form parts for the electric and thermic insulation also of porous ceramic

developing computer programs for operating and controlling industrial ovens, drying installations and machines for the production of ceramic goods