VG

Valentin Grebennikov

Overall (All Time): #875,282 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7140429 Device for cutting of slot-like key seats in wells by a hydroabrasive method Anatoly Ivanov, Artem Ivanov 2006-11-28
7073587 System for increasing productivity of oil, gas and hydrogeological wells Yakov Bassin, Boris Goldstein, Anatoly Ivanov, Lon M. Marmorshteyn 2006-07-11
7025141 Method of increasing the well rate of exploitation and recharge wells Anatoly Ivanov, Mikhail Yurievich Popov 2006-04-11
6651741 Method of increasing productivity of oil, gas and hydrogeological wells Yakov Bassin, Boris Goldstein, Anatoly Ivanov, Leon Marmorshteyn 2003-11-25
5337825 Method of oil well productivity increase Leon M. Marmorstein, Ignaty M. Petuhov, Vladimir S. Sidorov, Piotr A. Aleksandrov 1994-08-16
5291950 Method of well treatment 1994-03-08