ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,947, issued on Sept. 23, was assigned to SPM Oil & Gas Inc. (Fort Worth, Texas).
"Actuator for a reciprocating pump" was invented by Bryan C. Wagner (Aledo, Texas) and Edward Charles Kotapish (Willow Park, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A reciprocating pump assembly includes a fluid end section having a pressure chamber and a plunger bore that fluidly communicates with the pressure chamber. The reciprocating pump assembly includes a plunger configured to be held within the plunger bore of the fluid end section, and a linear actuator operatively connected to the plunger such that the linear actuator is configured to reciprocate...