Inventor
SIMSON JAMES A
US11 patents
⚠️ This page may combine multiple inventors who share the name “SIMSON JAMES A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SMITH INTERNATIONAL
8 patentsUS7980300B2Jul 19, 2011
Drillable bridge plug
SMITH INTERNATIONAL130 citations98
US7424909B2Sep 16, 2008
Drillable bridge plug
SMITH INTERNATIONAL60 citations97
US6904970B2Jun 14, 2005
Cementing manifold assembly
SMITH INTERNATIONAL81 citations97
US5472055ADec 5, 1995
Liner hanger setting tool
SMITH INTERNATIONAL136 citations97
US7066249B2Jun 27, 2006
Cementing manifold assembly
SMITH INTERNATIONAL42 citations95
US5884702AMar 23, 1999
Liner assembly and method
SMITH INTERNATIONAL62 citations94
US6009943AJan 4, 2000
Liner assembly and method
SMITH INTERNATIONAL27 citations91
US6772844B2Aug 10, 2004
High pressure sealing apparatus and method
SMITH INTERNATIONAL38 citations86