ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,886, issued on June 17.

"System and method for priority CNG filling" was invented by Richard Allan Poorman (Diana, Texas) and Bradley Wade Fontenot (Longview, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of dispensing compressed natural gas (CNG) includes assigning a first priority to the filling of a first destination tank and assigning a second priority to the filling of a second destination tank. The second priority is lower than the first priority. The method also includes filling the first destination tank from a first CNG source while filling the second destination tank from a second CNG source. The second CNG source provides ...