ALEXANDRIA, Va., July 23 -- United States Patent no. 12,364,803, issued on July 22, was assigned to ERBE Elektromedizin GmbH (Tuebingen, Germany).
"Pump unit for medical purposes" was invented by Michael Fehrenbacher (Rottenburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pump unit comprises at least one improved valve in which a non-ball-shaped valve closing member is reliably held in a support structure and in which the support structure is surrounded by a flow on the outside. A shank of the valve closing member is held in a pocket-shaped receptacle of the support structure such that the valve closing member is reliably held in place. The shank is located in a receptacle through which no flow...