Inventor · disambiguated record
Keith E. Lewis
Also filed as: LEWIS KEITH E
5 granted patents·94 citations·filing 2003–2006
83Inventor score
Technology areasE21B
Files withBAKER HUGHES INC5
Top patents by PatentIndex Score
5 records- 0180US7373980B2Mono-trip cement thru completionBAKER HUGHES INC·Filed 2006·Granted May 20, 2008·17 cites·32 claims
- 0272US7464758B2Model HCCV hydrostatic closed circulation valveBAKER HUGHES INC·Filed 2006·Granted Dec 16, 2008·12 cites·14 claims
- 0366US7069992B2Mono-trip cement thru completionBAKER HUGHES INC·Filed 2003·Granted Jul 4, 2006·24 cites·27 claims
- 0465US7063152B2Model HCCV hydrostatic closed circulation valveBAKER HUGHES INC·Filed 2003·Granted Jun 20, 2006·34 cites·21 claims
- 0544US7228897B2Cement through side pocket mandrelBAKER HUGHES INC·Filed 2003·Granted Jun 12, 2007·7 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →