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Inventor

MIGLIERINI RAUL A

6 patents
⚠️ This page may combine multiple inventors who share the name “MIGLIERINI RAUL A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DRESSER IND

3 patents
US4056153ANov 1, 1977

Rotary rock bit with multiple row coverage for very hard formations

DRESSER IND122 citations93
US4662460AMay 5, 1987

Rotary drilling jar

DRESSER IND9 citations67
US3950041AApr 13, 1976

Rock bit bearing system for carrying out thrust

DRESSER IND6 citations60

HALLIBURTON ENERGY SERV INC

3 patents
US6769500B2Aug 3, 2004

Optimized earth boring seal means

HALLIBURTON ENERGY SERV INC28 citations90
US6725947B2Apr 27, 2004

Roller bits with bearing failure indication, and related methods, systems, and methods of manufacturing

HALLIBURTON ENERGY SERV INC29 citations89
US7044242B2May 16, 2006

Roller cone bits with reduced packing

HALLIBURTON ENERGY SERV INC3 citations61