Robert W. Arfele
27Patents
9h-index
22Co-inventors
75Inventor score
Filing activity: Nov 12, 1996 → Nov 18, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5988303A | Gauge face inlay for bit hardfacing | Performing Operations; Transporting | 51 | Expired |
| US8261858B1 | Element containing thermally stable polycrystalline diamond material and methods and assemblies for formation thereof | Fixed Constructions | 23 | Active |
| US5904212A | Gauge face inlay for bit hardfacing | Performing Operations; Transporting | 21 | Expired |
| US6131677A | Steel-bodied bit | Emerging Cross-Sectional Technologies | 19 | Expired |
| US8863860B2 | System and method of improved depth of cut control of drilling tools | Fixed Constructions | 13 | Active |
| US5967244A | Drill bit directional nozzle | Fixed Constructions | 13 | Expired |
| US5924502A | Steel-bodied bit | Emerging Cross-Sectional Technologies | 11 | Expired |
| USD404044S | Six blade drill bit | General | 10 | Expired |
| US5927410A | Drill bit nozzle and method of attachment | Performing Operations; Transporting | 10 | Expired |
| USD405811S | Seven blade drill bit | General | 8 | Expired |
| US8875814B2 | Element containing thermally stable polycrystalline diamond material and methods and assemblies for formation thereof | Fixed Constructions | 7 | Active |
| USD403335S | Four blade drill bit | General | 4 | Expired |
| USD403336S | Five blade drill bit | General | 3 | Expired |
| USD403003S | Nine blade drill bit | General | 3 | Expired |
| US8764862B2 | Element containing thermally stable polycrystalline diamond material and methods and assemblies for formation thereof | Fixed Constructions | 2 | Active |
| US10920496B2 | Cutting structure design with new backup cutter methodology | Physics | 2 | Active |
| US10323465B2 | Optimization of rolling elements on drill bits | Fixed Constructions | 2 | Active |
| US10267093B2 | Drilling tool including multi-step depth of cut control | Fixed Constructions | 1 | Active |
| US10822945B1 | Storing data based on a value associated with an ambient condition downhole in a borehole of a geologic formation | Physics | 1 | Active |
| USD404407S | Eight blade drill bit | General | 1 | Expired |
| US9650835B2 | System and method of configuring drilling tools utilizing a critical depth of cut control curve | Fixed Constructions | 0 | Active |
| US9506294B2 | System and method of constant depth of cut control of drilling tools | Fixed Constructions | 0 | Active |
| US10214966B2 | Rotary drill bits with back-up cutting elements to optimize bit life | Physics | 0 | Active |
| US11542754B2 | Cutting structure design with secondary cutter methodology | Physics | 0 | Active |
| US9540882B2 | System and method of configuring drilling tools utilizing a critical depth of cut control curve | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.