US Patent Issued to GENERAL DOWNHOLE TOOLS on Jan. 27 for "System, method and apparatus for downhole torque-transferring ball screw" (Canadian Inventors)

ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,966, issued on Jan. 27, was assigned to GENERAL DOWNHOLE TOOLS LTD. (Calgary, Canada).

"System, method and apparatus for downhole torque-transferring ball screw" was invented by Michael Harvey (Calgary, Canada), David Devlin (Calgary, Canada) and Jovan Vrcar (Calgary, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A downhole tool has a main body that is cylindrical and includes a top coupling that couples to a drill string. A second body that is cylindrical is positioned at least partially within the main body. The second body has a bottom coupling that couples to a drill bit. Springs are positioned within the downhole tool and transmit an ax...