ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,430, issued on Feb. 17, was assigned to HYDAC TECHNOLOGY GMBH (Sulzbach/Saar, Germany).
"Conveying device" was invented by Wolfgang Hahmann (Kempen, Germany), Frank Bauer (Marpingen, Germany) and Peter Kloft (Ransbach-Baumbach, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a conveying device for fluids with an inlet and an outlet and a conveying part which is connected therebetween and can be actuated by a drive part, wherein the conveying part has a fluid-tight media-separating device with a variable chamber volume, which becomes connected in a fluid-conducting manner via its receiving chamber to the inlet or the outlet, and w...