29469 ⎘
Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with filtering elements moving during filtering operation
Sub-classes:Automatic clean air filter for air conditioner unit
#2AIR PURIFICATION DEVICE AND INTELLIGENT MANAGEMENT SYSTEM
#3Broad frequency filter for powder system
#4Air cleaner
#5Air purification device and air purification system
#6Modular Gas and Odor Filtering Device and Method
#7Draping particulate filter for the nostrils and mouth and method of manufacture thereof