ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,134, issued on Sept. 23, was assigned to Orbital Systems AB (Malmo, Sweden).

"System for water quality measurement and a recirculation system comprising the same" was invented by Michael Ridell (Staffanstorp, Sweden), Richard Boden (Malmo, Sweden) and Peter Ohman (Staffanstorp, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention refers to a system 1 intended for measuring water quality in a system having the capability of recirculating water and flowing water to waste, depending on water quality, said system 1 being a module system comprising a water channel base unit 2, a sensor module unit 3 for water quality measurement a...