Inventor · disambiguated record

Ernest Len Grebe

Also filed as: GREBE ERNEST L · GREBE ERNEST LEN

2 granted patents·80 citations·filing 1986–2004

64Inventor score

Technology areasC09K Y10S

Files withHALLIBURTON ENERGY SERV INC1 MERCK & CO INC1

Top patents by PatentIndex Score

2 records

0185US4717488ASpacer fluidMERCK & CO INC·Filed 1986·Granted Jan 5, 1988·73 cites·6 claims
0243US7439210B2Inhibitive water-based drilling fluid system and method for drilling sands and other water-sensitive formationsHALLIBURTON ENERGY SERV INC·Filed 2004·Granted Oct 21, 2008·7 cites·50 claims

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