Inventor
NGUYEN QUAN V
US14 patents
⚠️ This page may combine multiple inventors who share the name “NGUYEN QUAN V”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SMITH INTERNATIONAL
13 patentsUS6367568B2Apr 9, 2002
Steel tooth cutter element with expanded crest
SMITH INTERNATIONAL118 citations98
US6533051B1Mar 18, 2003
Roller cone drill bit shale diverter
SMITH INTERNATIONAL101 citations97
US5494123AFeb 27, 1996
Drill bit with protruding insert stabilizers
SMITH INTERNATIONAL56 citations96
US5131480AJul 21, 1992
Rotary cone milled tooth bit with heel row cutter inserts
SMITH INTERNATIONAL92 citations96
US6561293B2May 13, 2003
Cutter element with non-linear, expanded crest
SMITH INTERNATIONAL51 citations95
US7341119B2Mar 11, 2008
Hydro-lifter rock bit with PDC inserts
SMITH INTERNATIONAL25 citations92
US7059430B2Jun 13, 2006
Hydro-lifter rock bit with PDC inserts
SMITH INTERNATIONAL32 citations92
US6782959B2Aug 31, 2004
Cutter element with non-linear, expanded crest
SMITH INTERNATIONAL26 citations92
US6688410B1Feb 10, 2004
Hydro-lifter rock bit with PDC inserts
SMITH INTERNATIONAL25 citations92
US6336512B1Jan 8, 2002
Drill bit having canted seal
SMITH INTERNATIONAL35 citations92
US6192999B1Feb 27, 2001
Extended drill bit nozzle having extended retainer
SMITH INTERNATIONAL24 citations92
US5027913AJul 2, 1991
Insert attack angle for roller cone rock bits
SMITH INTERNATIONAL39 citations92
US7252164B2Aug 7, 2007
Cutting structure based hydraulics
SMITH INTERNATIONAL7 citations73