Fluid handling method to switch a valve device or to temporarily counteract a flow Grant US-10906041-B2 United States of America 02 Feb 2021
Fluid handling before the direction and method for fluid handling Application DE-102016207845-A1 Germany 09 Nov 2017
Apparatus and method for moving of liquid in a centrifugal system using negative pressure Grant DE-102013215002-B3 Germany 06 Nov 2014