Inventor
LARSEN JAMES L
US21 patents
⚠️ This page may combine multiple inventors who share the name “LARSEN JAMES L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SMITH INTERNATIONAL
17 patentsUS5494122AFeb 27, 1996
Composite nozzles for rock bits
SMITH INTERNATIONAL130 citations98
US6311793B1Nov 6, 2001
Rock bit nozzle and retainer assembly
SMITH INTERNATIONAL61 citations96
US6763902B2Jul 20, 2004
Rockbit with attachable device for improved cone cleaning
SMITH INTERNATIONAL25 citations92
US6585063B2Jul 1, 2003
Multi-stage diffuser nozzle
SMITH INTERNATIONAL35 citations92
US5669459ASep 23, 1997
Nozzle retention system for rock bits
SMITH INTERNATIONAL37 citations92
US5538093AJul 23, 1996
High flow weld-in nozzle sleeve for rock bits
SMITH INTERNATIONAL29 citations92
US7188682B2Mar 13, 2007
Multi-stage diffuser nozzle
SMITH INTERNATIONAL25 citations89
US7213661B2May 8, 2007
Dual property hydraulic configuration
SMITH INTERNATIONAL16 citations83
US7201241B2Apr 10, 2007
Self relieving seal
SMITH INTERNATIONAL10 citations82
US6976548B2Dec 20, 2005
Self relieving seal
SMITH INTERNATIONAL13 citations82
US7252164B2Aug 7, 2007
Cutting structure based hydraulics
SMITH INTERNATIONAL7 citations73
US7387178B2Jun 17, 2008
Self relieving seal
SMITH INTERNATIONAL5 citations71
US7040423B2May 9, 2006
Nozzle bore for high flow rates
SMITH INTERNATIONAL8 citations68
USRE37006EJan 2, 2001
High flow weld-in nozzle sleeve for rock bits
SMITH INTERNATIONAL5 citations63
US7681670B2Mar 23, 2010
Two-cone drill bit
SMITH INTERNATIONAL5 citations61
US7913778B2Mar 29, 2011
Rock bit with hydraulic configuration
SMITH INTERNATIONAL4 citations59
US7703354B2Apr 27, 2010
Method of forming a nozzle retention body
SMITH INTERNATIONAL0 citations51