The present invention discloses a method, apparatus and system for electromechanical liquid dispensing. The system includes a bottle for holding liquid to be dispensed, the bottle having an inlet port and an outlet port, a one-way outlet valve on the outlet port through which liquid is dispensed from...http://www.google.de/patents/US6698616?utm_source=gb-gplus-sharePatent US6698616 - Electronic liquid dispenser
