ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,712, issued on Feb. 10, was assigned to California Bioenergy LLC (Dallas).

"Systems for aggregating and processing of biogas to biomethane" was invented by N Ross Buckenham (Dallas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A biogas collection and purification system that includes a plurality of sources of biogas and a network of conduits configured to convey the biogas from the sources to a central processing facility for processing the biogas into methane. The central processing facility removes impurities to convert biogas to biomethane and may include an H2S removal stage; an activated carbon scrubber; a gas drier; and a carbon dioxide remov...