Assignee
DIAMOND PRODUCTS INTERNATIONAL
US·13 granted patents·1,049 citations·filing 1995–2001
Top patents by PatentIndex Score
13 records- 0194US5678644ABi-center and bit method for enhancing stabilityDIAMOND PRODUCTS INTERNATIONAL·Filed 1995·Granted Oct 21, 1997·202 cites·27 claims
- 0291US6340064B2Bi-center bit adapted to drill casing shoeDIAMOND PRODUCTS INTERNATIONAL·Filed 1999·Granted Jan 22, 2002·150 cites·35 claims
- 0389US6142248AReduced erosion nozzle system and method for the use of drill bits to reduce erosionDIAMOND PRODUCTS INTERNATIONAL·Filed 1998·Granted Nov 7, 2000·91 cites·18 claims
- 0485US5992548ABi-center bit with oppositely disposed cutting surfacesDIAMOND PRODUCTS INTERNATIONAL·Filed 1997·Granted Nov 30, 1999·133 cites·21 claims
- 0584US5979577AStabilizing drill bit with improved cutting elementsDIAMOND PRODUCTS INTERNATIONAL·Filed 1998·Granted Nov 9, 1999·89 cites·32 claims
- 0680US5803196AStabilizing drill bitDIAMOND PRODUCTS INTERNATIONAL·Filed 1996·Granted Sep 8, 1998·77 cites·27 claims
- 0772US6401845B1Cutting element with stress reductionDIAMOND PRODUCTS INTERNATIONAL·Filed 2000·Granted Jun 11, 2002·40 cites·24 claims
- 0871US6629476B2Bi-center bit adapted to drill casing shoeDIAMOND PRODUCTS INTERNATIONAL·Filed 2001·Granted Oct 7, 2003·35 cites·14 claims
- 0970US6068072ACutting elementDIAMOND PRODUCTS INTERNATIONAL·Filed 1998·Granted May 30, 2000·57 cites·21 claims
- 1066US6315067B1Cutting element with stress reductionDIAMOND PRODUCTS INTERNATIONAL·Filed 1999·Granted Nov 13, 2001·50 cites·11 claims
- 1165US6026919ACutting element with stress reductionDIAMOND PRODUCTS INTERNATIONAL·Filed 1998·Granted Feb 22, 2000·48 cites·33 claims
- 1258US6412579B2Two stage drill bitDIAMOND PRODUCTS INTERNATIONAL·Filed 1999·Granted Jul 2, 2002·36 cites·12 claims
- 1354US6009960ACoring toolDIAMOND PRODUCTS INTERNATIONAL·Filed 1998·Granted Jan 4, 2000·41 cites·27 claims
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