Patent ID: 7155349

Claim:
A method of improving logistical efficiencies associated with the delivery of Liquified Petroleum Gas (LPG) or fuel oil to a number of remotely dispersed tanks over a geographic area comprising: sensing the liquid level in at least one tank; transmitting at least one signal conveying a tank identifying indicia and a liquid level relating to the identified tank; receiving at least one signal conveying the tank identifying indicia and the liquid level relating to the identified tank; correlating the tank identifying indicia and the liquid level relating to the identified tank with a geographical location for the tank; grouping the tank identifying indicia and the liquid level relating to the identified tank with the geographical location for the tank in a unique data array; storing the unique data array in a database containing a plurality of data arrays; sorting and/or filtering the data arrays within the database by liquid level and/or geographical location to create a sorted and/or filtered database; identifying at least one delivery route through a region that encompasses at least one of the geographical locations present in the filtered database; and plotting the at least one delivery route.