ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,639, issued on Jan. 27, was assigned to Dyson Technology Ltd. (Wiltshire, Great Britain).
"Filter media" was invented by Gareth David Morte Morris (Bristol, Great Britain), James George McManus (Nailsworth, Great Britain) and Benjamin James Hovell (Gloucester, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A filter media includes a membrane and a protective scrim secured to a surface of the membrane. The membrane includes fibres of a first polymer having a diameter less than 1 micron, and the scrim includes fibres of a second polymer. The first polymer is hydrophobic and has a contact angle greater than 90 degrees, and the second polym...