Inventor · disambiguated record
Evan C. Turner
Also filed as: TURNER EVAN · TURNER EVAN C
12 granted patents·996 citations·filing 1995–2011
94Inventor score
Technology areasE21B
Top patents by PatentIndex Score
12 records- 0198US6021859AStress related placement of engineered superabrasive cutting elements on rotary drag bitsBAKER HUGHES INC·Filed 1999·Granted Feb 8, 2000·274 cites·10 claims
- 0297US7395882B2Casing and liner drilling bitsBAKER HUGHES INC·Filed 2004·Granted Jul 8, 2008·154 cites·86 claims
- 0396US5605198AStress related placement of engineered superabrasive cutting elements on rotary drag bitsBAKER HUGHES INC·Filed 1995·Granted Feb 25, 1997·206 cites·15 claims
- 0495US5787022AStress related placement of engineered superabrasive cutting elements on rotary drag bitsBAKER HUGHES INC·Filed 1996·Granted Jul 28, 1998·164 cites·10 claims
- 0593US5950747AStress related placement on engineered superabrasive cutting elements on rotary drag bitsBAKER HUGHES INC·Filed 1998·Granted Sep 14, 1999·130 cites·12 claims
- 0690US8006785B2Casing and liner drilling bits and reamersBAKER HUGHES INC·Filed 2008·Granted Aug 30, 2011·24 cites·69 claims
- 0789US8167059B2Casing and liner drilling shoes having spiral blade configurations, and related methodsOLDHAM JACK T·Filed 2011·Granted May 1, 2012·8 cites·20 claims
- 0881US8225887B2Casing and liner drilling shoes with portions configured to fail responsive to pressure, and related methodsOLDHAM JACK T·Filed 2011·Granted Jul 24, 2012·4 cites·21 claims
- 0981US8205693B2Casing and liner drilling shoes having selected profile geometries, and related methodsOLDHAM JACK T·Filed 2011·Granted Jun 26, 2012·4 cites·21 claims
- 1080US8056651B2Adaptive control concept for hybrid PDC/roller cone bitsTURNER EVAN·Filed 2009·Granted Nov 15, 2011·24 cites·18 claims
- 1176US8225888B2Casing shoes having drillable and non-drillable cutting elements in different regions and related methodsOLDHAM JACK T·Filed 2011·Granted Jul 24, 2012·3 cites·21 claims
- 1266US8297380B2Casing and liner drilling shoes having integrated operational components, and related methodsOLDHAM JACK T·Filed 2011·Granted Oct 30, 2012·1 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →