ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,027, issued on Sept. 23, was assigned to Henke-Sass Wolf GmbH (Tuttlingen, Germany).

"Device for administering a fluid" was invented by Frank Altermann (Tuttlingen, Germany), Robin Sauter (Tuttlingen, Germany), Maikel Wiedmann (Immendingen, Germany), Daniel Seeh (Immendingen, Germany) and Anika Schmidt (Fridingen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for administering a fluid can include a cylinder, a piston displaceable in the cylinder and connected to a piston rod, and a tensioning device connected to the piston rod. The tensioning device includes a ramp rotatable via a motor, and a ramp track extending along a helical ...