ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,136, issued on May 13, was assigned to Katz Water Tech LLC (Houston).

"Apparatus system and method to extract minerals and metals from water" was invented by Gary P. Katz (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A new apparatus, system and method to purified produced water and removed valuable metals and minerals is described. The apparatus comprises a device for flowing produced water wellbore from a wellbore to the produced water purification apparatus; at least one device to remove heavy metals from the produced water; at least one brine removal device to remove brine from the produced water. The method comprises steps to use the a...