ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,391,882, issued on Aug. 19, was assigned to PYRO DYNAMICS LLC (Pleasant Grove, Utah).
"Apparatus, system, and method for shale pyrolysis" was invented by Gary G. Otterstrom (Lindon, Utah).
According to the abstract* released by the U.S. Patent & Trademark Office: "A shale pyrolysis system includes a retort with a first side and a second side. The second side is opposite the first side and the first side and the second side include descending angled surfaces at alternating angles to produce zig-zag motion of shale descending through the retort. Corners of the retort that change direction of the shale are rounded. The system includes steam distributors coupled to the first side and col...