ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,132, issued on May 27, was assigned to Covidien LP (Mansfield, Mass.).

"Medical device wireless charging system" was invented by Li Wang (Shanghai), Chunlei Hou (Shanghai) and Mingxia Sun (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wireless charging system for charging batteries (112) in a medical environment is provided. The wireless charging system may include a power transmitter and a power receiver. The power transmitter produces a strong near-distance magnetic field and transmits the magnetic field via a transmitting antenna to a power receiver. The power receiver may receive the transmitted magnetic field via a power receiver an...