ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,483, issued on Sept. 15.

"One-way pressure exchange device for reverse osmosis desalination plants" was invented by Miguel Angel Rivas Lopez (Madrid) and Manuel Latorre Carrion (Cartagena, Spain).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a one-way pressure exchange device (1) for reverse osmosis desalination plants of the type comprising a pair of pumping circuits (2, 3) for pumping a low-pressure inflow of seawater in contact with another high-pressure inflow of reject brine. The device comprises: a first selector valve (11) for selecting an alternative inlet into the pumping circuits (2, 3), which is connected to an inlet collect...