US Patent 7451772 Ultrasonic cleaning method and apparatus

An apparatus suitable for ultrasonically cleaning objects is disclosed. The apparatus includes a housing and a cleaning chamber within the housing. The apparatus also includes drainer that can be moved between a cleaning position in a lower region of the apparatus and a draining position in an upper region of the apparatus. The drainer is configured to engage at least a portion of the upper region of the housing to thereby position the drainer in the draining position. The apparatus also includes a transducer for transmitting ultrasonic energy into the cleaning chamber.