Inventor
TRUAX DAVID
US16 patents
⚠️ This page may combine multiple inventors who share the name “TRUAX DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SMITH INTERNATIONAL
12 patentsUS6474425B1Nov 5, 2002
Asymmetric diamond impregnated drill bit
SMITH INTERNATIONAL212 citations99
US6269893B1Aug 7, 2001
Bi-centered drill bit having improved drilling stability mud hydraulics and resistance to cutter damage
SMITH INTERNATIONAL182 citations99
US5667028ASep 16, 1997
Multiple diamond layer polycrystalline diamond composite cutters
SMITH INTERNATIONAL218 citations99
US7017677B2Mar 28, 2006
Coarse carbide substrate cutting elements and method of forming the same
SMITH INTERNATIONAL109 citations98
US6991049B2Jan 31, 2006
Cutting element
SMITH INTERNATIONAL79 citations98
US5833021ANov 10, 1998
Surface enhanced polycrystalline diamond composite cutters
SMITH INTERNATIONAL222 citations98
US7165636B2Jan 23, 2007
Cutting element with canted interface surface and bit body incorporating the same
SMITH INTERNATIONAL14 citations92
US6464024B2Oct 15, 2002
Bi-centered drill bit having improved drilling stability, mud hydraulics and resistance to cutter damage
SMITH INTERNATIONAL32 citations92
US6405814B1Jun 18, 2002
Cutting element with canted design for improved braze contact area
SMITH INTERNATIONAL24 citations92
US5947216ASep 7, 1999
Cutter assembly for rock bits with back support groove
SMITH INTERNATIONAL18 citations84
US7395885B2Jul 8, 2008
Cutting element with canted interface surface and bit body incorporating the same
SMITH INTERNATIONAL2 citations63
US7703560B2Apr 27, 2010
Cutting element with canted interface surface and bit body incorporating the same
SMITH INTERNATIONAL0 citations52