Inventor · disambiguated record
Craig Ivie
Also filed as: IVIE CRAIG · IVIE CRAIG R · IVIE CRAIG ROBERT
8 granted patents·2 pending applications·311 citations·filing 1989–2011
90Inventor score
Technology areasE21B
Top patents by PatentIndex Score
10 records- 0191US4940099ACutting elements for roller cutter drill bitsREED TOOL CO·Filed 1989·Granted Jul 10, 1990·113 cites·2 claims
- 0280US7168506B2On-bit, analog multiplexer for transmission of multi-channel drilling informationREEDHYCALOG L P·Filed 2004·Granted Jan 30, 2007·60 cites·33 claims
- 0370US4989680ADrill bit having improved hydraulic action for directing drilling fluidCAMCO INT·Filed 1989·Granted Feb 5, 1991·37 cites·14 claims
- 0463US6957575B2Apparatus for weight on bit measurements, and methods of using sameREEDHYCALOG L P·Filed 2004·Granted Oct 25, 2005·23 cites·24 claims
- 0559US5096005AHydraulic action for rotary drill bitsCAMCO INT·Filed 1990·Granted Mar 17, 1992·37 cites·25 claims
- 0652US6802215B1Apparatus for weight on bit measurements, and methods of using sameREEDHYEALOG L P·Filed 2003·Granted Oct 12, 2004·16 cites·49 claims
- 0752US5029656ANozzle means for rotary drill bitsCAMCO INT·Filed 1990·Granted Jul 9, 1991·24 cites·10 claims
- 0850US8733475B2Drill bit with enhanced hydraulics and erosion-shield cutting teethVO THANG·Filed 2011·Granted May 27, 2014·1 cites·26 claims
- 0934US2004108138A1Hydraulic Optimization of Drilling Fluids in Borehole DrillingFiled 2003·Application pending·0 cites
- 1034US2005257961A1Equipment Housing for Downhole MeasurementsSNELL ADRIAN·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →