Inventor · disambiguated record
William Alan Spielman
Also filed as: SPIELMAN WILLIAM · SPIELMAN WILLIAM ALAN
3 granted patents·152 citations·filing 1998–2000
77Inventor score
Technology areasE21B
Files withWEATHERFORD LAMB3
Top patents by PatentIndex Score
3 records- 0179US6202752B1Wellbore milling methodsWEATHERFORD LAMB·Filed 1999·Granted Mar 20, 2001·91 cites·15 claims
- 0261US6070665AWellbore millingWEATHERFORD LAMB·Filed 1998·Granted Jun 6, 2000·42 cites·18 claims
- 0360US6547006B1Wellbore liner systemWEATHERFORD LAMB·Filed 2000·Granted Apr 15, 2003·19 cites·33 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →