ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,792, issued on April 7, was assigned to OBSCHESTVO S ORGANICHENNOY OTVETSTVENNOSTYU "MG PAMP" (Ufa, Russia).
"Magneto-hydraulic plunger pump unit" was invented by Alexandr Vyacheslavovich Nagovitsin (Izhevsk, Russia) and Dmitry Andreevich Chirkov (Perm, Russia).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to submersible pump units. The unit comprises submersible electric motor kinematically connected to oil pump, a submersible plunger pump with rod, a hydraulic motor with rod, wherein such hydraulic motor is located within oil tank. There is a linear magnetic coupling with media separator-placed between the hydraulic motor and...