ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,957, issued on Sept. 16, was assigned to Locoal Charcoal Co. (Del Valle, Texas).

"Mobile biomass thermochemical energy conversion unit and related methods" was invented by Garrett Gordon (Washougal, Wash.), Miles Murray (Boerne, Texas), Matthew R. Peterson (Del Valle, Texas) and Joshua S. Rasey (Battle Ground, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A thermochemical energy conversion unit includes a heat expansion assembly including a reactor configured to receive a biomass and convert the biomass into a burnable gas having undesirable materials therein and a biochar. The heat expansion assembly also includes a heat expansion discharge...