US Patent Issued to BAKER HUGHES OILFIELD OPERATIONS on Jan. 27 for "Milling tool, method and system" (Texas Inventors)

ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,969, issued on Jan. 27, was assigned to BAKER HUGHES OILFIELD OPERATIONS LLC (Houston).

"Milling tool, method and system" was invented by David Alexander (Houston), Knut Inge Dahlberg (Tomball, Texas) and Andrew Ponder (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A milling tool, including an outer housing having a first end and a second end, a blade shifter mandrel movably disposed within the outer housing, a biaser disposed at the first end to bias the shifter mandrel toward the second end, a piston that in response to reverse circulation moves the shifter mandrel toward the first end to compress the biaser, and a blade mounted to the ou...