Inventor · disambiguated record
Roger Didericksen
Also filed as: DIDERICKSEN ROGER
14 granted patents·1 pending application·626 citations·filing 1997–2008
95Inventor score
Top patents by PatentIndex Score
15 records- 0190US6254275B1Sealed bearing drill bit with dual-seal configuration and fluid-cleaning capabilitySMITH INTERNATIONAL·Filed 1997·Granted Jul 3, 2001·49 cites·18 claims
- 0286US6196339B1Dual-seal drill bit pressure communication systemSMITH INTERNATIONAL·Filed 1998·Granted Mar 6, 2001·67 cites·42 claims
- 0384US6695079B2Dual-seal drill bit pressure communication systemSMITH INTERNATIONAL·Filed 2002·Granted Feb 24, 2004·15 cites·15 claims
- 0482US6123337AComposite earth boring bit sealSMITH INTERNATIONAL·Filed 1997·Granted Sep 26, 2000·69 cites·34 claims
- 0582US6116357ARock drill bit with back-reaming protectionSMITH INTERNATIONAL·Filed 1997·Granted Sep 12, 2000·101 cites·41 claims
- 0681US6206110B1Protected lubricant reservoir with pressure control for sealed bearing earth boring drill bitSMITH INTERNATIONAL·Filed 2000·Granted Mar 27, 2001·65 cites·6 claims
- 0775US6033117ASealed bearing drill bit with dual-seal configurationSMITH INTERNATIONAL·Filed 1997·Granted Mar 7, 2000·66 cites·130 claims
- 0873US6679342B2Dual-seal drill bit pressure communication systemSMITH INTERNATIONAL·Filed 2002·Granted Jan 20, 2004·21 cites·13 claims
- 0967US6408957B1Sealed bearing roller cone bit having anti-plugging deviceSMITH INTERNATIONAL·Filed 2000·Granted Jun 25, 2002·33 cites·8 claims
- 1064US6431293B1Dual-seal drill bit pressure communication systemSMITH INTERNATIONAL·Filed 2000·Granted Aug 13, 2002·20 cites·26 claims
- 1164US6196338B1Hardfacing rock bit cones for erosion protectionSMITH INTERNATIONAL·Filed 1999·Granted Mar 6, 2001·43 cites·28 claims
- 1262US6296067B1Protected lubricant reservoir for sealed bearing earth boring drill bitSMITH INTERNATIONAL·Filed 2000·Granted Oct 2, 2001·26 cites·27 claims
- 1356US6264367B1Dual-seal drill bit with fluid cleaning capabilitySMITH INTERNATIONAL·Filed 1999·Granted Jul 24, 2001·33 cites·41 claims
- 1455US6619412B2Protected lubricant reservoir for sealed earth boring drill bitSMITH INTERNATIONAL·Filed 2001·Granted Sep 16, 2003·18 cites·16 claims
- 1540US2009057030A1Mining claw bitSANDVIK MINING & CONSTR OY·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →