Inventor
TERRACINA DWAYNE P
US18 patents
⚠️ This page may combine multiple inventors who share the name “TERRACINA DWAYNE P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SMITH INTERNATIONAL
10 patentsUS6763902B2Jul 20, 2004
Rockbit with attachable device for improved cone cleaning
SMITH INTERNATIONAL25 citations92
US7325632B2Feb 5, 2008
Nozzle bore for PDC bits
SMITH INTERNATIONAL17 citations90
US7188682B2Mar 13, 2007
Multi-stage diffuser nozzle
SMITH INTERNATIONAL25 citations89
US7213661B2May 8, 2007
Dual property hydraulic configuration
SMITH INTERNATIONAL16 citations83
US7252164B2Aug 7, 2007
Cutting structure based hydraulics
SMITH INTERNATIONAL7 citations73
US8770321B2Jul 8, 2014
Downhole reamer asymmetric cutting structures
SMITH INTERNATIONAL5 citations71
US7040423B2May 9, 2006
Nozzle bore for high flow rates
SMITH INTERNATIONAL8 citations68
US7694608B2Apr 13, 2010
Method of manufacturing a matrix body drill bit
SMITH INTERNATIONAL5 citations53
US9145740B2Sep 29, 2015
Stabilizing members for fixed cutter drill bit
SMITH INTERNATIONAL1 citations51
US7703354B2Apr 27, 2010
Method of forming a nozzle retention body
SMITH INTERNATIONAL0 citations51