Inventor · disambiguated record
Charles L. Vavra
Also filed as: VAVRA CHARLES L
2 granted patents·63 citations·filing 1993–2011
61Inventor score
Top patents by PatentIndex Score
2 records- 0167US5445228AMethod and apparatus for formation sampling during the drilling of a hydrocarbon wellATLANTIC RICHFIELD CO·Filed 1993·Granted Aug 29, 1995·61 cites·19 claims
- 0257US8596383B2Method for detecting hydrocarbon zones in a geological formationMONTIE MARK W·Filed 2011·Granted Dec 3, 2013·2 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →