Inventor · disambiguated record
Stephen J. Norris
Also filed as: NORRIS STEPHEN J
4 granted patents·166 citations·filing 2000–2004
80Inventor score
Technology areasE21B
Files withWEATHERFORD LAMB4
Top patents by PatentIndex Score
4 records- 0194US6427776B1Sand removal and device retrieval toolWEATHERFORD LAMB·Filed 2000·Granted Aug 6, 2002·130 cites·35 claims
- 0267US6978841B2Sand removal and device retrieval toolWEATHERFORD LAMB·Filed 2004·Granted Dec 27, 2005·22 cites·19 claims
- 0349US6640904B2Sand removal and device retrieval toolWEATHERFORD LAMB·Filed 2002·Granted Nov 4, 2003·8 cites·11 claims
- 0445US6719056B2Sand removal methodWEATHERFORD LAMB·Filed 2003·Granted Apr 13, 2004·6 cites·1 claims
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