240386 ⎘
Gas and liquid contact apparatus Residue prevention in humidifiers and air conditioners
Air humidifier
#2Non uniform water distribution system for an evaporative cooler
#3Appliance using a water hardness sensor system and method of operating the same
#4Water filtering device
#5Faucet-based humidifier
#6Humidifier with improved UV disinfection
#7Microorganism-resistant humidifier