Inventor · disambiguated record
Dennis Cisneros
Also filed as: CISNEROS DENNIS · NESE PER I
10 granted patents·2 pending applications·653 citations·filing 1996–2019
93Inventor score
Technology areasE21B
Top patents by PatentIndex Score
12 records- 0192US7703557B2Fixed cutter bit with backup cutter elements on primary bladesSMITH INTERNATIONAL·Filed 2007·Granted Apr 27, 2010·61 cites·49 claims
- 0289US5839526ARolling cone steel tooth bit with enhancements in cutter shape and placementSMITH INTERNATIONAL·Filed 1997·Granted Nov 24, 1998·138 cites·66 claims
- 0387US6510909B2Rolling cone bit with gage and off-gage cutter elements positioned to separate sidewall and bottom hole cutting dutySMITH INTERNATIONAL·Filed 2002·Granted Jan 28, 2003·49 cites·51 claims
- 0484US6533051B1Roller cone drill bit shale diverterSMITH INTERNATIONAL·Filed 1999·Granted Mar 18, 2003·101 cites·6 claims
- 0583US5833020ARolling cone bit with enhancements in cutter element placement and materials to optimize borehole corner cutting dutySMITH INTERNATIONAL·Filed 1996·Granted Nov 10, 1998·61 cites·71 claims
- 0682US5967245ARolling cone bit having gage and nestled gage cutter elements having enhancements in materials and geometry to optimize borehole corner cutting dutySMITH INTERNATIONAL·Filed 1997·Granted Oct 19, 1999·100 cites·63 claims
- 0773US5868213ASteel tooth cutter element with gage facing kneeSMITH INTERNATIONAL·Filed 1997·Granted Feb 9, 1999·64 cites·74 claims
- 0871US5915486ACutter element adapted to withstand tensile stressSMITH INTERNATIONAL·Filed 1997·Granted Jun 29, 1999·49 cites·37 claims
- 0947US5853055ARock bit with an extended center jetSMITH INTERNATIONAL·Filed 1996·Granted Dec 29, 1998·24 cites·62 claims
- 1038US2007261890A1Fixed Cutter Bit With Centrally Positioned Backup Cutter ElementsSMITH INTERNATIONAL·Filed 2006·Application pending·0 cites
- 1138US2019242192A1Fixed cutter drill bit having spherical cutter orienting systemVAREL INT IND L L C·Filed 2019·Application pending·0 cites
- 1236US6390210B1Rolling cone bit with gage and off-gage cutter elements positioned to separate sidewall and bottom hole cutting dutySMITH INTERNATIONAL·Filed 1996·Granted May 21, 2002·6 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →