Inventor · disambiguated record
Francis Chad Hanak
Also filed as: HANAK FRANCIS CHAD
5 granted patents·1 pending application·20 citations·filing 2012–2017
75Inventor score
Top patents by PatentIndex Score
6 records- 0182US9804288B2Real-time, limited orientation sensor auto-calibrationESTES ROBERT A·Filed 2014·Granted Oct 31, 2017·7 cites·24 claims
- 0281US9963936B2Downhole closed loop drilling system with depth measurementKRUSPE THOMAS·Filed 2013·Granted May 8, 2018·7 cites·13 claims
- 0366US9863236B2Method for locating casing downhole using offset XY magnetometersHANAK FRANCIS CHAD·Filed 2013·Granted Jan 9, 2018·3 cites·20 claims
- 0457US10228987B2Method to assess uncertainties and correlations resulting from multi-station analysis of survey dataHANAK FRANCIS CHAD·Filed 2013·Granted Mar 12, 2019·2 cites·28 claims
- 0555US9422803B2Passive magnetic ranging for SAGD and relief wells via a linearized trailing window kalman filterHANAK FRANCIS CHAD·Filed 2012·Granted Aug 23, 2016·1 cites·18 claims
- 0635US2018149014A1Process to analyze mwd surveys from different bha runs in the same wellboreHANAK FRANCIS CHAD·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →