237835 ⎘
Gas separation Built-in vacuum cleaners
Filter cage for wet/dry vacuums
#2Wet/dry vacuum cleaner filter for wet material collection
#3Vacuum appliance filter assemblies and associated vacuum systems
#4Vacuum appliance filter assemblies and associated vacuum systems
#5Vacuum appliance filter assemblies and associated vacuum systems
#6Bag in, bag out filter assembly
#7Shaker mechanism for vacuum cleaner filter bag
#8Central vacuum cleaner having an energy recovery ventilator system
#9Retractable hose central vacuum cleaning system apparatus and method