158472 ⎘
Devices or apparatus used for air treatment
Sub-classes:DOMICILE INDOOR AIR QUALITY ANALYSIS SYSTEM WITH OCCUPANCY DETECTION
#2Air sterilization insert for heating, ventilation, and air conditioning (HVAC) systems
#3Safety shutdown systems and methods for LNG, crude oil refineries, petrochemical plants, and other facilities
#4MOBILE MEDICAL TESTING STRUCTURE
#5System and method for controlling the heating, ventilation, and air conditioning (HVAC) in a building to defend against pathogens
#6Artificial intelligence device and artificial intelligence system for managing indoor air condition
#7Electronic control system for electrostatic precipitators connected in series
#8Feces odor eliminator
#9Agent detection system assisted by a building subsystem