Inventor · disambiguated record
Lester I. Clark
Also filed as: CLARK LESTER I
4 granted patents·98 citations·filing 2006–2011
79Inventor score
Technology areasE21B
Top patents by PatentIndex Score
4 records- 0195US7900703B2Method of drilling out a reaming toolBAKER HUGHES INC·Filed 2009·Granted Mar 8, 2011·65 cites·20 claims
- 0278US7621351B2Reaming tool suitable for running on casing or linerBAKER HUGHES INC·Filed 2007·Granted Nov 24, 2009·15 cites·29 claims
- 0376US7954570B2Cutting elements configured for casing component drillout and earth boring drill bits including sameBAKER HUGHES INC·Filed 2006·Granted Jun 7, 2011·15 cites·4 claims
- 0467US8191654B2Methods of drilling using differing types of cutting elementsMCCLAIN ERIC E·Filed 2011·Granted Jun 5, 2012·3 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →