Inventor

TURNER EVAN C

US11 patents

⚠️ This page may combine multiple inventors who share the name “TURNER EVAN C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BAKER HUGHES INC

6 patents

US7395882B2Jul 8, 2008

Casing and liner drilling bits

BAKER HUGHES INC154 citations99

US6021859AFeb 8, 2000

Stress related placement of engineered superabrasive cutting elements on rotary drag bits

BAKER HUGHES INC274 citations98

US5950747ASep 14, 1999

Stress related placement on engineered superabrasive cutting elements on rotary drag bits

BAKER HUGHES INC130 citations98

US5787022AJul 28, 1998

Stress related placement of engineered superabrasive cutting elements on rotary drag bits

BAKER HUGHES INC164 citations98

US5605198AFeb 25, 1997

Stress related placement of engineered superabrasive cutting elements on rotary drag bits

BAKER HUGHES INC206 citations98

US8006785B2Aug 30, 2011

Casing and liner drilling bits and reamers

BAKER HUGHES INC24 citations92

OLDHAM JACK T

5 patents

US8167059B2May 1, 2012

Casing and liner drilling shoes having spiral blade configurations, and related methods

OLDHAM JACK T8 citations83

US8225887B2Jul 24, 2012

Casing and liner drilling shoes with portions configured to fail responsive to pressure, and related methods

OLDHAM JACK T4 citations73

US8225888B2Jul 24, 2012

Casing shoes having drillable and non-drillable cutting elements in different regions and related methods

OLDHAM JACK T3 citations73

US8205693B2Jun 26, 2012

Casing and liner drilling shoes having selected profile geometries, and related methods

OLDHAM JACK T4 citations73

US8297380B2Oct 30, 2012

Casing and liner drilling shoes having integrated operational components, and related methods

OLDHAM JACK T1 citations62