ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,672, issued on March 18, was assigned to Mazzei Injector Co. LLC (Bakersfield, Calif.).
"Chemical mixing spool and method" was invented by Angelo L. Mazzei (Bakersfield, Calif.), Erich DeLang (Rockford, Ill.), Saumya Dholakia (Bakersfield, Calif.) and Michael Spillner (Marina Del Ray, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A mixing spool is utilized to mix a liquid coagulant into water flowing through a large conduit. The mixing spool is inserted as a segment into the conduit. The mixing spool utilizes a pair of opposite facing nozzles which extend through a wall of the spool into the interior of the spool. The nozzles receive a pres...