US Patent Issued to Boart Longyear Manufacturing And Distribution on Feb. 17 for "Drill string components having multiple-thread joints" (Canadian, Australian Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,298, issued on Feb. 17, was assigned to Boart Longyear Manufacturing And Distribution Inc. (Salt Lake City).

"Drill string components having multiple-thread joints" was invented by Christopher L. Drenth (Callander, Canada) and Keith William Littlely (Clarkson, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Drill string components having at least two threads extending around a body. The leading end of each thread can have a configuration having increased strength and resistance to jamming and cross-threading. In particular, the leading end of each thread can comprise a planar surface normal to the body. The leading end of each thread can pr...