ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,715, issued on Nov. 25, was assigned to Hemovent GmbH (Aachen, Germany).

"Control or regulating device" was invented by Oliver Marseille (Aachen, Germany), Jurgen Korthauer (Alpen, Germany), Markus Weber (Spring Valley, Calif.) and Stefan Notzel (Aachen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention concerns a control or regulating device with a control or regulating unit, which both controls or regulates a volumetric blood flow flowing through a blood pump as well as a volumetric flow of a gas able to flow through a gas exchange unit."

The patent was filed on Feb. 26, 2019, under Application No. 16/975,307.

*For further inf...