US Patent Issued to Mettler-Toledo Rainin on Nov. 18 for "Positive displacement pipette syringe with reduced fluid drag" (California Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,491, issued on Nov. 18, was assigned to Mettler-Toledo Rainin LLC (Oakland, Calif.).

"Positive displacement pipette syringe with reduced fluid drag" was invented by Gregor Seidman (Oakland, Calif.) and William Walls (Kensington, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described are exemplary embodiments of a syringe for use with a handheld positive displacement pipette. The syringe includes a piston having a piston tip that is significantly truncated in comparison to the tips of known positive displacement pipette syringes, and also shorter in length than the dispensing tip of the syringe. The design of the piston tip and its interacti...