ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,712, issued on May 13, was assigned to SCHLUMBERGER TECHNOLOGY Corp. (Sugar Land, Texas).

"Starter engine system for a rotary lock" was invented by Jean-Luc Pujol (Quarante, France) and Sebastien Poveda (Lespignan, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotary lock system includes a gear configured to be driven to rotate via an engine. The rotary lock system includes a rotatable starter component configured to engage the gear via an interface. The interface includes a circumferential gap to enable the gear to rotate through an angle before contacting and driving the rotatable starter component."

The patent was filed on April 21, 20...