Inventor · disambiguated record
Steffen S. Kristiansen
Also filed as: KRISTIANSEN STEFFEN S
3 granted patents·121 citations·filing 2002–2010
76Inventor score
Technology areasE21B
Files withSMITH INTERNATIONAL3
Top patents by PatentIndex Score
3 records- 0196US8037951B2Cutter having shaped working surface with varying edge chamferSMITH INTERNATIONAL·Filed 2010·Granted Oct 18, 2011·37 cites·9 claims
- 0294US7726420B2Cutter having shaped working surface with varying edge chamferSMITH INTERNATIONAL·Filed 2005·Granted Jun 1, 2010·71 cites·45 claims
- 0350US6698538B2Drill bit having adjustable total flow areaSMITH INTERNATIONAL·Filed 2002·Granted Mar 2, 2004·13 cites·16 claims
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