Inventor · disambiguated record
R. Lee Colvard
Also filed as: COLVARD R L · COLVARD R LEE
4 granted patents·392 citations·filing 1994–2007
83Inventor score
Top patents by PatentIndex Score
4 records- 0194US7503398B2Methods and apparatus for actuating a downhole toolWEATHERFORD LAMB·Filed 2007·Granted Mar 17, 2009·103 cites·22 claims
- 0294US7252152B2Methods and apparatus for actuating a downhole toolWEATHERFORD LAMB·Filed 2003·Granted Aug 7, 2007·198 cites·50 claims
- 0389US7730965B2Retractable joint and cementing shoe for use in completing a wellboreWEATHERFORD LAMB·Filed 2006·Granted Jun 8, 2010·43 cites·61 claims
- 0481US5411049AValveWEATHERFORD US INC·Filed 1994·Granted May 2, 1995·48 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →