US Patent Issued to PSG Germany on Nov. 3 for "Pumps with rotors having recesses and passageways" (British Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,736, issued on Nov. 3, was assigned to PSG Germany GmbH (Duisburg, Germany).

"Pumps with rotors having recesses and passageways" was invented by Richard Paul Hayes-Pankhurst (London) and Jonathan Edward Ford (London).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application relates to pumps including: a first fluid port and a second fluid port, a housing having an interior surface defining a cavity, a rotor, being rotatably mounted within the housing, and comprising, a housing engaging surface area, and a surface recess that, a resiliently deformable diaphragm providing part of the interior surface of the housing, the rotor comprising an ...