ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,487, issued on Nov. 25, was assigned to SPM Oil & Gas Inc. (Fort Worth, Texas).
"Fluid end of pump" was invented by David Theodore Figgs (Fort Worth, Texas), Michael C. Zanoff (Fort Worth, Texas), Justin Poehls (Glen Rose, Texas) and Daryl Belshan (Weatherford, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid end of a pump includes a fluid end body, a suction cap removably received within the bore of the fluid end body, and at least one retainer nut removably coupled with the fluid end body and disposed axially adjacent to the suction cap. The retainer nut includes a projection that extends outwards from the fluid end body. The fluid end...