ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,736,035, issued on Sept. 15.

"Fluid end block and fluid end for a multiplex piston pump having multiple inlet passages" was invented by Philip Martial Burguieres (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid end block, a pump including the fluid end block and a method of forming a mixed fluid stream are provided. The fluid end block includes linear bores forming piston chambers, cross bores, first and second inlet bores and at least one outlet bore. The first and second inlet bores may be separate blind bores. The pump may draw a first fluid via the first inlet bore and a second fluid via the second inlet bore, then output a mixed flu...