ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,812, issued on May 20, was assigned to BHS-Sonthofen GmbH (Sonthofen, Germany).
"Rotary pressure filter" was invented by Frederik Drescher (Sonthofen, Germany), Lukas Elsasser (Ofterschwang, Germany), Wolfgang Suss (Sonthofen, Germany), Steffen Kammerer (Immenstadt, Germany) and Martin Schafer (Sonthofen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotary pressure filter suitable for use in treatment of one or more of medical products or foodstuffs, the rotary pressure filter. The rotary pressure filter comprises a filter drum that can be rotated about an axis of rotation. The rotary pressure filter comprises a plurality of filter cells...