The heater belongs to trademark classification class 11

Lighting equipment, group 1101

Spray welding lamp, group 1102

Gasoline and oil lamps, Group 1103

Cooking and domestic electrical heating equipment, Group 1104

Refrigerating equipment, Group 1105

Ventilation equipment, Group 1106

Heating equipment, group 1107

Plumbing and fittings, group 1108

Sanitary equipment, group 1109

Disinfection and purification equipment , Group 1110

Small heaters, Group 1111

Lighting appliances, Group 1112

Nuclear energy reaction equipment, Group 1113