HEATMATRIX

[ Machines and machine tools, namely, for heat exchanging; motors and engines, namely, for heat exchanging; machine coupling and transmission components, namely, for heat exchanging; agricultural implements other than hand-operated, namely, incorporators; incubators for eggs; heat exchangers being parts of machines ]

[ Hot-air space heating apparatus for industrial purposes ] * Heat exchangers for recovery of heat from industrial gases, including combustion gases and flue gases *