Inventor · disambiguated record
Per Ivar Nese
Also filed as: NESE PER · NESE PER I · NESE PER IVAR · OLIVER MICHAEL S
12 granted patents·1 pending application·730 citations·filing 1996–2004
94Inventor score
Technology areasE21B
Files withSMITH INTERNATIONAL12
Top patents by PatentIndex Score
13 records- 0192US6199645B1Engineered enhanced inserts for rock drilling bitsSMITH INTERNATIONAL·Filed 1998·Granted Mar 13, 2001·125 cites·13 claims
- 0291US6460637B1Engineered enhanced inserts for rock drilling bitsSMITH INTERNATIONAL·Filed 2000·Granted Oct 8, 2002·86 cites·20 claims
- 0390US6484826B1Engineered enhanced inserts for rock drilling bitsSMITH INTERNATIONAL·Filed 2000·Granted Nov 26, 2002·82 cites·36 claims
- 0487US6510909B2Rolling 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
- 0587US6059054ANon-symmetrical stress-resistant rotary drill bit cutter elementSMITH INTERNATIONAL·Filed 1997·Granted May 9, 2000·120 cites·57 claims
- 0683US5833020ARolling 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
- 0782US5967245ARolling 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
- 0863US7152701B2Cutting element structure for roller cone bitSMITH INTERNATIONAL·Filed 2004·Granted Dec 26, 2006·33 cites·28 claims
- 0961US6419034B1Engineered enhanced inserts for rock drilling bitsSMITH INTERNATIONAL·Filed 2000·Granted Jul 16, 2002·17 cites·35 claims
- 1050US6460636B1Drill bit inserts with variations in thickness of diamond coatingSMITH INTERNATIONAL·Filed 1999·Granted Oct 8, 2002·27 cites·24 claims
- 1147US5853055ARock bit with an extended center jetSMITH INTERNATIONAL·Filed 1996·Granted Dec 29, 1998·24 cites·62 claims
- 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
- 1327US2005109543A1Cutting element arrangement for single roller cone bitFiled 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →