VL

Vyacheslav Vladimirovich Leonov

Overall (All Time): #1,145,197 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11391131 Downhole pump drive including reverse reduction gear with switching mechanism — 2022-07-19
11162490 Borehole pump — 2021-11-02
11162598 Check valve — 2021-11-02
11067138 Device for prevention of turbine rotation — 2021-07-20