US Patent Issued to Baker Hughes Oilfield Operations on June 17 for "Shape memory alloy seal bladder clamp rings" (Oklahoma Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,619, issued on June 17, was assigned to Baker Hughes Oilfield Operations LLC (Houston).

"Shape memory alloy seal bladder clamp rings" was invented by David Tanner (Broken Arrow, Okla.) and Aron Meyer (Pryor, Okla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrical submersible pump assembly has a seal section housing for coupling between a motor and a pump of the assembly. A bladder has an opening sized to slide over an adapter in the seal section housing. A clamp ring is formed of a shape memory alloy selected to create an expanded condition inner diameter when at a room temperature, enabling the clamp ring to be inserted over the bladder ...