ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,614, issued on Feb. 3, was assigned to Halliburton Energy Services Inc. (Houston).

"Valve monitoring system for a 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: "In a bellows pump, detecting any leakage of the valves and/or bellows can be important. Disclosed embodiments may relate to a bellows pump system configured to better monitor valve and/or bellows health. For example, the bellows pump can be configured with a power end, a fluid end, an expandable bellows in fluid communication with the power end, one or...