ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,958, issued on March 18, was assigned to Halliburton Energy Services Inc. (Houston).

"Electro-mechanical clutch employing a magnetized output coupler housing for downhole tools" was invented by Nicholas Robert Wood (Carrollton, Texas), Kevin Robin Passmore (Carrollton, Texas), Bruce Edward Scott (Carrollton, Texas) and Jon-Howard Elliott Hanson (Carrollton, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a clutch assembly, a SSSV, and a method for operating an SSSV. The clutch assembly, in one aspect, includes an output coupler housing, an input shaft, and an electromagnet coupled to the input shaft. In at least one aspect, the ele...