About 5 Trademarks found that are owned by Calmac Corp

heat exchanger for storing and withdrawing coolness to supplement air conditioners for commercial use

ICE-MAKING SYSTEMS FOR ICE RINKS, TOBOGGAN RUNS, SPEED SKATING RINKS, SKI SLOPES, GROUND STABILIZATIONS AND PREVENTION OF MELTING IN COLD REGIONS

SUBFLOOR AND SUBSURFACE HEATING SYSTEMS FOR ICE RINKS, TENNIS COURTS, ROADS AND WALKWAYS

TANKS CONTAINING PHASE CHANGE HEAT ENERGY STORAGE MATERIAL AND HEAT EXCHANGERS IN EACH TANK FOR FREEZING AND MELTING THE PHASE CHANGE MATERIAL FOR STORING AND REMOVING HEAT ENERGY

THE MARK ON THE DRAWING IS LINED FOR THE COLORS RED AND BLUE.