Inventor
HOFFMASTER CARL M
US16 patents
⚠️ This page may combine multiple inventors who share the name “HOFFMASTER CARL M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DURAIRAJAN BALA
6 patentsUS8833492B2Sep 16, 2014
Cutters for fixed cutter bits
DURAIRAJAN BALA32 citations93
US8783387B2Jul 22, 2014
Cutter geometry for high ROP applications
DURAIRAJAN BALA28 citations92
US8127863B2Mar 6, 2012
Drill bit having enhanced stabilization features and method of use thereof
DURAIRAJAN BALA18 citations89
US8100202B2Jan 24, 2012
Fixed cutter bit with backup cutter elements on secondary blades
DURAIRAJAN BALA11 citations80
US9016407B2Apr 28, 2015
Drill bit cutting structure and methods to maximize depth-of-cut for weight on bit applied
DURAIRAJAN BALA2 citations62
US8689908B2Apr 8, 2014
Drill bit having enhanced stabilization features and method of use thereof
DURAIRAJAN BALA3 citations59
SMITH INTERNATIONAL
5 patentsUS7703557B2Apr 27, 2010
Fixed cutter bit with backup cutter elements on primary blades
SMITH INTERNATIONAL61 citations96
US6880650B2Apr 19, 2005
Advanced expandable reaming tool
SMITH INTERNATIONAL45 citations95
US7621348B2Nov 24, 2009
Drag bits with dropping tendencies and methods for making the same
SMITH INTERNATIONAL52 citations94
US7451837B2Nov 18, 2008
Advanced expandable reaming tool
SMITH INTERNATIONAL16 citations92
US7451836B2Nov 18, 2008
Advanced expandable reaming tool
SMITH INTERNATIONAL29 citations92