ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,525, issued on April 22, was assigned to PETROMAC IP Ltd. (Auckland, New Zealand).

"Device for centering a sensor assembly in a bore" was invented by Stephen Peter McCormick (Auckland, New Zealand).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for centering a sensor assembly in a bore comprises a first support and a second support axially spaced apart along a central longitudinal axis of the device, one or both of the first and second supports configured to slide axially along the central longitudinal axis, and a plurality of arm assemblies, each arm assembly pivotally connected to the first and second supports by a respective pivot joint. O...