US Patent Issued to Halliburton Energy Services on Sept. 23 for "Direct connect piston-driven bellows pump" (Oklahoma Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,953, issued on Sept. 23, was assigned to Halliburton Energy Services Inc. (Houston).

"Direct connect piston-driven bellows pump" was invented by Justin Lee Hurst (Duncan, Okla.), Timothy Holiman Hunter (Duncan, Okla.) and Andrew Silas Clyburn (Duncan, Okla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed embodiments may relate to pumps for introducing treatment fluid into a well. For example, a piston-driven bellows pump may include a power end, having a piston disposed in a power end bore; a fluid end, having a fluid end bore and a chamber in fluid communication with a suction valve and a discharge valve; and an expandable bellows dispose...