Custom manufactured electric heaters for commercial and industrial uses, namely, thick film electric heaters, cast metal electric heaters, molded polymer electric heaters, flexible polymer electric heaters, metal electric cartridge heaters, band and strip electric metal heaters

LED light controls, namely, LED light engines; and thick film variable resistors

COAXIAL TUBULAR MEMBERS THROUGH WHICH DIFFERENT FLUIDS PASS AT DIFFERENT TEMPERATURES FOR THE EXCHANGE OF TEMPERATURES BETWEEN SAID FLUIDS

COAXIAL TUBULAR MEMBERS THROUGH WHICH DIFFERENT FLUIDS PASS AT DIFFERENT TEMPERATURES FOR THE EXCHANGE OF TEMPERATURES BETWEEN SAID FLUIDS

HERMETIC REFRIGERANT LIQUID PUMPS

Gas Conversion Burners for Kitchen Ranges and Water Heaters, and Hot Water Baseboards