ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,453,820, issued on Oct. 28, was assigned to Henke-Sass Wolf GmbH (Tuttlingen, Germany).
"Device for administering a fluid" was invented by Frank Altermann (Tuttlingen, Germany), Daniel Seeh (Immendingen, Germany), Robin Sauter (Tuttlingen, Germany), Maikel Wiedmann (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 connected to a piston rod, and a tensioning device connected to the piston rod. The tensioning device includes a ramp which is rotatable via a motor, a ramp track, and a roller which is in contact with the ramp track an...