Air exhaust structure of an upright-type vacuum cleaner
Air filter
Air filter
Air filtering machines particularly for use as vacuum cleaners
Air filtrating self-propeller upright vacuum cleaner
Air flow passage for a cyclonic separator and vacuum cleaner...
Air flow structure for an upright-type vacuum cleaner
Air guard diffuser
Air guide assembly for an electric motor and methods of making
Air induction cleaning apparatus
Air purifying vacuum cleaner system
Air purifying vacuum cleaner system
Air recycling system for vacuum cleaner
Air supported cleaner
Air supported cleaner with control
Air supported vacuum cleaner
Airflow sensor system for monitoring air inlet airflow and...
Airflow system for bagless vacuum cleaner
Airtight tubular couplings
Alcohol wipe and method