US Patent Issued to Vulcan Industrial Holdings on Sept. 2 for "Dual ring stuffing box" (Texas Inventors)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,931, issued on Sept. 2, was assigned to Vulcan Industrial Holdings LLC (Houston).

"Dual ring stuffing box" was invented by Kyle Matthew Ellisor (Katy, Texas), Chance Ray Mullins (Spring, Texas), Steven Zachary Newberg (Houston) and Akhil Alex (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes a fluid end having a fluid end face and a recess extending toward a base. The system also includes a pressure ring extending from the fluid end face, the pressure ring having a pressure ring bore diameter larger than a fluid end bore diameter. The system further includes an adjacent ring coupled to the fluid end, the pressure ring positio...