Inventor
NGUYEN DON Q
US26 patents
⚠️ This page may combine multiple inventors who share the name “NGUYEN DON Q”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAKER HUGHES INC
20 patentsUS7387177B2Jun 17, 2008
Bearing insert sleeve for roller cone bit
BAKER HUGHES INC73 citations97
US7392862B2Jul 1, 2008
Seal insert ring for roller cone bits
BAKER HUGHES INC56 citations95
US7819208B2Oct 26, 2010
Dynamically stable hybrid drill bit
BAKER HUGHES INC48 citations93
US7182162B2Feb 27, 2007
Shirttails for reducing damaging effects of cuttings
BAKER HUGHES INC17 citations91
US7861805B2Jan 4, 2011
Conformal bearing for rock drill bit
BAKER HUGHES INC35 citations90
US7845435B2Dec 7, 2010
Hybrid drill bit and method of drilling
BAKER HUGHES INC46 citations90
US8356398B2Jan 22, 2013
Modular hybrid drill bit
BAKER HUGHES INC26 citations89
US9353575B2May 31, 2016
Hybrid drill bits having increased drilling efficiency
BAKER HUGHES INC9 citations82
US7841426B2Nov 30, 2010
Hybrid drill bit with fixed cutters as the sole cutting elements in the axial center of the drill bit
BAKER HUGHES INC9 citations81
US7350600B2Apr 1, 2008
Shirttails for reducing damaging effects of cuttings
BAKER HUGHES INC7 citations72
US10190366B2Jan 29, 2019
Hybrid drill bits having increased drilling efficiency
BAKER HUGHES INC3 citations71
US10072462B2Sep 11, 2018
Hybrid drill bits
BAKER HUGHES INC2 citations71
US9670736B2Jun 6, 2017
Hybrid drill bit
BAKER HUGHES INC3 citations71
US10316589B2Jun 11, 2019
Hybrid drill bit and design method
BAKER HUGHES INC1 citations62
US7066286B2Jun 27, 2006
Gage surface scraper
BAKER HUGHES INC2 citations61
US8028770B2Oct 4, 2011
Conformal bearing for rock drill bit
BAKER HUGHES INC3 citations60
US7628230B2Dec 8, 2009
Wide groove roller cone bit
BAKER HUGHES INC0 citations52
US7975779B2Jul 12, 2011
Threaded cone retention system for roller cone bits
BAKER HUGHES INC0 citations51
US9782857B2Oct 10, 2017
Hybrid drill bit having increased service life
BAKER HUGHES INC1 citations49
US7905301B2Mar 15, 2011
Earth boring drill bits made from a low-carbon, high-molybdenum alloy
BAKER HUGHES INC0 citations46