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Inventor

DREWS STEVEN W

US10 patents
⚠️ This page may combine multiple inventors who share the name “DREWS STEVEN W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

REESE MICHAEL R

3 patents
US8079402B2Dec 20, 2011

Casting method for matrix drill bits and reamers

REESE MICHAEL R1 citations58
US8061408B2Nov 22, 2011

Casting method for matrix drill bits and reamers

REESE MICHAEL R2 citations58
US8061405B2Nov 22, 2011

Casting method for matrix drill bits and reamers

REESE MICHAEL R0 citations48

KING WILLIAM W

2 patents
US8327944B2Dec 11, 2012

Whipstock attachment to a fixed cutter drilling or milling bit

KING WILLIAM W24 citations91
US8561729B2Oct 22, 2013

Casing bit and casing reamer designs

KING WILLIAM W9 citations82

SLIMDRIL INTERNATIONAL INC

1 patent
US5396966AMar 14, 1995

Steering sub for flexible drilling

SLIMDRIL INTERNATIONAL INC59 citations94

SLIM DRIL INTERNATIONAL INC

1 patent
US5368109ANov 29, 1994

Apparatus for arcuate drilling

SLIM DRIL INTERNATIONAL INC27 citations84

VAREL INT IND LP

1 patent
US9828810B2Nov 28, 2017

Mill-drill cutter and drill bit

VAREL INT IND LP1 citations50

DREWS STEVEN W

1 patent
US8327956B2Dec 11, 2012

Multi-set PDC drill bit and method

DREWS STEVEN W5 citations50

IND L P VAREL INTERNAT

1 patent
US9291001B2Mar 22, 2016

Machined high angle nozzle sockets for steel body bits

IND L P VAREL INTERNAT0 citations34