ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,631, issued on Dec. 9, was assigned to Leading Magnetic Design Ltd. (Swansea, Great Britain).
"Downhole electromagnetic induction communication device" was invented by Alex Crane (Swansea, Great Britain) and Yuri Zhuravlev (Swansea, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is described a downhole electromagnetic induction communication system with a receiver arranged to receive from a transmitter a magnetic signal. The downhole electromagnetic induction communication system receiver comprising: a first inductive coil, a second inductive coil, and an amplifier; wherein the first inductive coil and the second inductive coil ar...