US Patent Issued to GILSON on Oct. 20 for "Positive-displacement sampling device designed to improve the grasping of the piston of a piston-capillary system" (French Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,768,855, issued on Oct. 20, was assigned to GILSON SAS (Villiers-le-Bel, France).

"Positive-displacement sampling device designed to improve the grasping of the piston of a piston-capillary system" was invented by Bruno Dudek (Orry-la-Ville, France), Stephane Guichardon (Bougival, France) and Herve Malvoisin (Paris).

According to the abstract* released by the U.S. Patent & Trademark Office: "A positive-displacement sampling device, comprising an endpiece, an ejector, a fixed body secured to the endpiece, and movable pipetting equipment comprising a clamp system for gripping the upper end of a piston. A system for controlling the clamping collar of the clamp system is provided, the sy...