74495171
Feb 28, 1994
Feb 27, 1996
agitating machines for the delivery of glass raw materials and for the output of molten glass
Machineryelectro-mechanical controls for glass and gas flows and for reradiation openings at glass melting furnaces; electrical measurers and controls for temperature and viscosity at glass melting furnaces; transformers and electrical switch gear for heating glass melting furnaces, heating electrodes of metal; electronic driven meters for delivery of glass raw materials and for the output of molten glass
Electrical and Scientific Apparatusglass melting furnaces, and parts thereof, namely melting ends, refiners, forehearths, feeders, furnace covers; pre-heaters for combustion air and charging glass raw materials, inserters for charging stock; heaters and coolers for glass melting furnaces; molten glass, oil and gas burners and parts thereof
Environmental Control Apparatusceramic refractory building materials, namely ceramic blocks and ceramic tile; and building stone
Nonmetallic Building Materials