Inventor · disambiguated record
Danny A. Hlavinka
Also filed as: HLAVINKA DANNY A
5 granted patents·1 pending application·127 citations·filing 1997–2011
82Inventor score
Technology areasE21B
Top patents by PatentIndex Score
6 records- 0188US8220536B2Downhole fluid communication apparatus and methodTAO CHEN·Filed 2010·Granted Jul 17, 2012·12 cites·2 claims
- 0283US7428925B2Wellbore formation evaluation system and methodSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Sep 30, 2008·25 cites·14 claims
- 0376US5927402ADown hole mud circulation for wireline toolsSCHLUMBERGER TECHNOLOGY CORP·Filed 1997·Granted Jul 27, 1999·80 cites·24 claims
- 0466US8561686B2Downhole fluid communication apparatus and methodTAO CHEN·Filed 2011·Granted Oct 22, 2013·2 cites·5 claims
- 0564US7568521B2Wellbore formation evaluation system and methodSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Aug 4, 2009·8 cites·18 claims
- 0641US2007151727A1Downhole Fluid Communication Apparatus and MethodSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →