ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,921, issued on May 12, was assigned to CLEAN H2O TECHNOLOGIES LLC (Houston).

"Techniques for managing scale formation in reverse osmosis (RO) and nanofiltration (NF) systems and a hybrid filtration architecture implementing the same" was invented by Stanton Russel Smith (Waltham, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure is directed to filtering technologies that combine elements of continuous and batch NF/RO based on the constraints of the end-user facility to achieve a target balance between, for instance, recovery and power consumption, and to reduce long term operating cost of a plant. A method for extending batc...