ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,590, issued on April 7, was assigned to Loci Controls Inc. (Wareham, Mass.).

"Devices and techniques relating to landfill gas extraction" was invented by Peter Quigley (Duxbury, Mass.), Ian Martin (Higganum, Conn.), Jack Rowbottom (Swansea, Mass.) and Nicole Neff (North Potomac, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for controlling extraction of landfill gas from a landfill via a gas extraction system are provided herein. According to some aspects of the technology, there is provided site-level control methods for globally controlling one or more wells based on one or more characteristics of aggregate landfill gas co...