ALEXANDRIA, Va., July 21 -- United States Patent no. 12,685,818, issued on July 21, was assigned to Becton Dickinson and Co. (Franklin Lakes, N.J.).

"Flow sensor system" was invented by Gary Ellerbusch (Nutley, N.J.) and Hong Zhu (Glen Rock, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system may include a flow sensor and a base. The flow sensor may be configured to connect to the base. The flow sensor may include a flow tube including a fluid inlet at a first end of the flow tube, a fluid outlet at a second end of the flow tube opposite the first end of the flow tube, and a fluid injection port between the first end and the second end of the flow tube. The base may include a short range wireless co...