ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,912, issued on Feb. 17, was assigned to SHENZHEN INCRECARE BIOTECH Co. LTD (Shenzhen, China).

"Liquid distribution method and immunoassay method" was invented by Zhen Zhang (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid distribution method comprises: providing at least two ferrying units, each ferrying unit made to reciprocate between an initial workstation and a first workstation; transferring from the initial workstation onto each ferry unit a reactor containing a sample; at the first workstation, adding a reagent into the reactor; recording, as a first cycle, a shortest time window during which a sequence of actions perf...