US Patent Issued to Greengold Engineering on Jan. 20 for "Electrowinning cell" (Australian Inventor)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,158, issued on Jan. 20, was assigned to Greengold Engineering Pty Ltd (Perth, Australia).

"Electrowinning cell" was invented by Malcolm Roy Paterson (Perth, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrowinning cell for extracting metals from an electrolyte solution, the electrowinning cell comprising a housing, a solution inlet, a solution outlet, a plurality of anodes, a plurality of cathodes and a product outlet, wherein at least one anode is substantially impermeable and configured to maintain a gap between a lower edge of the anode and the housing, so that fluid flow of solution is directed below the anode, and wherein at l...