ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,638, issued on May 20, was assigned to Valeo Powertrain GmbH (Ebern, Germany).
"Gear pump and drive machine" was invented by Roland Stoessel (Ebern, Germany), Kevin Heider (Ebern, Germany) and Christian Sperber (Ebern, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gear pump having a drive shaft and at least two gear wheel pairs which each include a drive gear wheel and a driven gear wheel. The two gear wheels of a gear wheel pair are in meshing engagement with one another, and the drive gear wheels are arranged on the drive shaft and in torque-transmissive engagement with the drive shaft. The gear pump has a freely rotatably mounted shaft...