Inventor · disambiguated record
John F. Hunka
Also filed as: HUNKA JOHN · HUNKA JOHN F
12 granted patents·1 pending application·547 citations·filing 1985–2009
93Inventor score
Files withSCHLUMBERGER TECHNOLOGY CORP13
Top patents by PatentIndex Score
13 records- 0196US6577244B1Method and apparatus for downhole signal communication and measurement through a metal tubularSCHLUMBERGER TECHNOLOGY CORP·Filed 2000·Granted Jun 10, 2003·167 cites·32 claims
- 0295US4873488AInduction logging sonde with metallic support having a coaxial insulating sleeve memberSCHLUMBERGER TECHNOLOGY CORP·Filed 1986·Granted Oct 10, 1989·119 cites·2 claims
- 0394US4651101AInduction logging sonde with metallic supportSCHLUMBERGER TECHNOLOGY CORP·Filed 1985·Granted Mar 17, 1987·141 cites·16 claims
- 0484US6975243B2Downhole tubular with openings for signal passageSCHLUMBERGER TECHNOLOGY CORP·Filed 2003·Granted Dec 13, 2005·43 cites·47 claims
- 0582US6903660B2Inductively-coupled system for receiving a run-in toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2003·Granted Jun 7, 2005·41 cites·38 claims
- 0678US7692428B2Retrievable formation resistivity toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Apr 6, 2010·11 cites·3 claims
- 0769US7501829B2Extra bucking coils as an alternative way to balance induction arraysSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Mar 10, 2009·8 cites·11 claims
- 0859US7417436B2Selectable tap induction coilSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Aug 26, 2008·4 cites·5 claims
- 0952US7187297B2Methods for sealing openings in tubularsSCHLUMBERGER TECHNOLOGY CORP·Filed 2003·Granted Mar 6, 2007·8 cites·28 claims
- 1051US7671597B2Composite encased tool for subsurface measurementsSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Mar 2, 2010·4 cites·25 claims
- 1146US7812608B2Extra bucking coils to balance induction arraysSCHLUMBERGER TECHNOLOGY CORP·Filed 2009·Granted Oct 12, 2010·1 cites·14 claims
- 1242US7679366B2Selectable tap induction coilSCHLUMBERGER TECHNOLOGY CORP·Filed 2008·Granted Mar 16, 2010·0 cites·9 claims
- 1341US2008278147A1Extra bucking coils as an alternative way to balance induction arraysSCHLUMBERGER TECHNOLOGY CORP·Filed 2008·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →