US Patent Issued to Halliburton Energy Services on July 7 for "Spin-resistant diffuser for electric submersible pump" (Oklahoma Inventors)

ALEXANDRIA, Va., July 7 -- United States Patent no. 12,674,469, issued on July 7, was assigned to Halliburton Energy Services Inc. (Houston).

"Spin-resistant diffuser for electric submersible pump" was invented by Andres Chapa (Tulsa, Okla.), Joshua Wayne Webster (Tulsa, Okla.) and David McManus (Tulsa, Okla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A diffuser stack for a centrifugal pump includes a first diffuser including a first rim having a first inner circumferential surface, a first outer circumferential surface, and protrusions extending radially inward from the first inner circumferential surface. The diffuser stack further includes a second diffuser including a second rim having a second inner...