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Patent applications and USPTO patent grants for Miglierini; Raul A..The latest application filed is for "roller cone bits with reduced packing".
Patent | Date |
---|---|
Roller cone bits with reduced packing App 20060113116 - Miglierini; Raul A. ;   et al. | 2006-06-01 |
Roller cone bits with reduced packing Grant 7,044,242 - Miglierini , et al. May 16, 2 | 2006-05-16 |
Optimized earth boring seal means Grant 6,769,500 - Miglierini August 3, 2 | 2004-08-03 |
Roller bits with bearing failure indication, and related methods, systems, and methods of manufacturing Grant 6,725,947 - Palaschenko , et al. April 27, 2 | 2004-04-27 |
Optimized earth boring seal means App 20030051921 - Miglierini, Raul A. | 2003-03-20 |
Roller cone bits with reduced packing App 20030042049 - Miglierini, Raul A. ;   et al. | 2003-03-06 |
Roller bit bearing failure indicator App 20020092679 - Palaschenko, Yuri A. ;   et al. | 2002-07-18 |
Rotary rock bit with multiple row coverage for very hard formations Grant 4,056,153 - Miglierini November 1, 1 | 1977-11-01 |
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