ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,458,925, issued on Nov. 4, was assigned to DPX Technologies Inc. (Columbia, S.C.).

"Membrane devices for filtration and extraction" was invented by William E. Brewer (Columbia, S.C.) and Matthew G. Fitts (Columbia, S.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for filtration or extraction using at least one filtration membrane is disclosed. The device is shaped like a Buchner funnel, but small enough to fit with wide bore pipette tips, slip tip syringes or an adaptor of a robotic liquid handler or pipettor. It also houses one or more filtration membranes and or a separation resin. A reservoir adaptor can be added to the top in a fluid tigh...