ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,950, issued on May 20, was assigned to Loci Controls Inc. (Wareham, Mass.).

"Devices and techniques relating to landfill gas extraction" was invented by Andrew J. Campanella (Somerville, Mass.), Melinda Sims (Seattle), Nathan Pallo (Castro Valley, Calif.) and Ian Martin (Higganum, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Devices and techniques related to landfill gas extraction are disclosed. A technique for controlling extraction of landfill gas from a landfill through a gas extraction system is described. The method may include measuring a plurality of values indicating conditions associated with the landfill; computing, based at least...