A device for verifying the amount of gasoline dispended by a gasoline pump is disclosed. The device comprises a housing containing a flow meter with said housing adapted to receive a gas pump nozzle and having an exit nozzle which is received by an intake gasoline channel of an automotive vehicle. In...http://www.google.de/patents/US7159625?utm_source=gb-gplus-sharePatent US7159625 - Device for verifying amount of dispensed gasoline and method of use