U.S. federal trademark · Serial No. 77626612
Heating elements used for sintering ceramics, and for the refinement and heat treatment of semiconductor parts; heat exchangers for chemical plants for which chemical resistance is required; metal reclaimer, namely, a foundry crucible for reclaiming metal from dross during processing
Graphite electrodes for refinement or machining such as graphite electrodes for steel making or graphite electrodes for electric discharge machining; fuel cells
Crucible materials for melting or refining metal or silicon, namely, crucibles of common metal and their alloys
Chemical oxidants for use in the manufacture of printed circuits
Electric parts, namely, motor brushes for electric motors not used in vehicles
Fuels for use as a fuel cell element
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.