US Patent Issued to Watershed Geosynthetics on Sept. 30 for "Lateral collection grid for landfill gas and method" (Louisiana, Georgia Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,555, issued on Sept. 30, was assigned to Watershed Geosynthetics LLC (Alpharetta, Ga.).

"Lateral collection grid for landfill gas and method" was invented by Delaney Lewis (Downsville, La.) and Jose Urrutia (Suwanee, Ga.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas collection grid for use at landfills having a gas-producing waste pile, including a lower geocomposite positioned over the gas-producing waste pile, a protective layer of soil is positioned over the lower geocomposite. An upper geocomposite is positioned over the protective layer of soil such that the protective layer of soil is positioned between the lower and upper geocomposite...