US Patent Issued to PRUITT TOOL &SUPPLY on March 11 for "Top pot assembly" (Arkansas Inventors)

ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,457, issued on March 11, was assigned to PRUITT TOOL &SUPPLY Co. (Fort Smith, Ark.).

"Top pot assembly" was invented by Grant Pruitt (Fort Smith, Ark.) and Cris Braun (Van Buren, Ark.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An improved top pot assembly utilizes an attachment body for attaching the rubber to a bearing assembly for rotation with the inner barrel. The attachment body simplifies the replacement of the rubber on the drilling assembly. The attachment body provides a guide that slopes downward into the central aperture and the bore to guide the mandrel and drilling string towards the bore. The attachment body also provides a stripp...