ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,461, issued on April 21, was assigned to KANUDA AQUAPURE SOLUTIONS PRIVATE Ltd. (India).

"Solar thermal based water treatment system for impure and industrial wastewater" was invented by Laxman Shridhar Kane (Pune, India) and Prabhakar Shridhar Kane (Pune, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A solar thermal based water treatment system and a process for treating impure/industrial wastewater is disclosed. The solar thermal based water treatment system vaporizes impure/wastewater using incident solar radiations in a third unit with only air as a medium. The system has a fourth unit and a fifth unit for condensing water vapor and obta...