ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,455,253, issued on Oct. 28, was assigned to NKT HV Cables AB (Lyckeby, Sweden).
"Estimating the thermal resisitivity of soil surrounding an underground cable" was invented by Ola Thyrvin (Karlskrona, Sweden) and Vilhelm Ryden (Karlskrona, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention is concerned with a method, arrangement, computer program and computer program product for estimating the thermal resistivity of soil surrounding an underground cable. The arrangement comprises a thermal resistivity estimating unit that obtains a first temperature (Ts) from a first temperature sensor at an exterior surface of the cable, obtains a secon...