Range hoods belong to trademark registration and belong to 11 categories, as follows: 1106 drying, ventilation, and air-conditioning equipment (including heating and cooling room equipment) (1) Fume hood 110006, air deodorization device 110009, air cooling device 110010, filter for air conditioning 110011, air heater 110012, air reheater 110012, air dryer 110013, air conditioning equipment 110014, air conditioning device 11114, air filtration equipment 110015, fan (air conditioning) 110065, vehicle air conditioner 110079, vehicle heater 110081, flue for chimney 110093, flue 110093, chimney bellows 110094, dryer 110097, air conditioning device 110099, vehicle defroster 110112, drying equipment 110117, gas purification device 110138, feed and forage drying equipment 110141, forage drying device 110141, Air treatment ionization equipment 110174, Air purification devices and machines 110207, Blow drying equipment and devices 110222, Fan blowers (air conditioning components) 110225, Flue-cured tobacco machines 110228, Ventilation equipment and devices (air conditioning) 110233, Vehicle ventilation devices (air conditioning) )110234, laboratory fume hood 110244, air sterilizer 110245, car window defrost heater 110250, car window defrost heating device 110250, gas condenser (not machine part) 110294, kitchen range hood 110314, kitchen use Range hood hood 110314, personal electric fan 110315, household clothes dryer (electric drying) 110316, food organic matter dehydration instrument 110321; exhaust fan C110017, fiberglass axial flow fan C110018, humidifying air device C110019, gas purifier C110047 , Automotive engine preheater C110048.