US Patent Issued to Weatherford Technology Holdings on May 26 for "Managing regenerative energy of reciprocating pumping unit" (Texas Inventors)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,929, issued on May 26, was assigned to Weatherford Technology Holdings LLC (Houston).

"Managing regenerative energy of reciprocating pumping unit" was invented by Benson Thomas (Pearland, Texas) and Mohammed S. Arefeen (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A variable frequency drive to drive an electric motor for a reciprocating pumping unit includes a rectifier, a filter, an inverter, and a capacitor bank. The rectifier converts AC power to DC power for filtering by the filter. The inverter converts the DC power to three-phase AC power for output to the electric motor. The capacitor bank has one or more capacitors connected to the ...