Amardeep Singh
52Patents
15h-index
49Co-inventors
84Inventor score
Filing activity: Jul 1, 1999 → Jun 30, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6533051B1 | Roller cone drill bit shale diverter | Fixed Constructions | 63 | Expired |
| US6612384B1 | Cutting structure for roller cone drill bits | Fixed Constructions | 45 | Expired |
| US6823951B2 | Arcuate-shaped inserts for drill bits | Fixed Constructions | 33 | Expired |
| US6527068B1 | Roller cone drill bit having non-axisymmetric cutting elements oriented to optimize drilling performance | Fixed Constructions | 30 | Expired |
| US6619411B2 | Design of wear compensated roller cone drill bits | Fixed Constructions | 30 | Expired |
| US7320375B2 | Split cone bit | Fixed Constructions | 30 | Expired |
| US7873595B2 | Computing a group of related companies for financial information systems | Physics | 30 | Active |
| US7292967B2 | Methods for evaluating cutting arrangements for drill bits and their application to roller cone drill bit designs | Fixed Constructions | 24 | Expired |
| US7234549B2 | Methods for evaluating cutting arrangements for drill bits and their application to roller cone drill bit designs | Fixed Constructions | 23 | Expired |
| US7341119B2 | Hydro-lifter rock bit with PDC inserts | Fixed Constructions | 22 | Expired |
| US7798258B2 | Drill bit with cutter element having crossing chisel crests | Fixed Constructions | 21 | Active |
| US6856949B2 | Wear compensated roller cone drill bits | Fixed Constructions | 19 | Expired |
| US6170582A | Rock bit cone retention system | Fixed Constructions | 19 | Expired |
| US6374930B1 | Cutting structure for roller cone drill bits | Fixed Constructions | 18 | Expired |
| US7059430B2 | Hydro-lifter rock bit with PDC inserts | Fixed Constructions | 16 | Expired |
| US6530441B1 | Cutting element geometry for roller cone drill bit | Fixed Constructions | 14 | Expired |
| US7631709B2 | Drill bit and cutter element having chisel crest with protruding pilot portion | Fixed Constructions | 13 | Active |
| US6688410B1 | Hydro-lifter rock bit with PDC inserts | Fixed Constructions | 13 | Expired |
| US6725952B2 | Bowed crests for milled tooth bits | Fixed Constructions | 12 | Expired |
| US6948403B2 | Bowed crests for milled tooth bits | Fixed Constructions | 10 | Expired |
| US6827161B2 | Roller cone drill bit having non-axisymmetric cutting elements oriented to optimize drilling performance | Fixed Constructions | 9 | Expired |
| US7686104B2 | Rolling cone drill bit having cutter elements positioned in a plurality of differing radial positions | Fixed Constructions | 8 | Active |
| US7832506B2 | Cutting elements with increased toughness and thermal fatigue resistance for drilling applications | Performing Operations; Transporting | 8 | Active |
| US6786288B2 | Cutting structure for roller cone drill bits | Fixed Constructions | 7 | Expired |
| US7370711B2 | Rolling cone drill bit having non-circumferentially arranged cutter elements | Fixed Constructions | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.