Elis Vandenberg
9Patents
8h-index
9Co-inventors
54Inventor score
Filing activity: Jun 29, 1995 → Jun 12, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6244361A | Steerable rotary drilling device and directional drilling method | Mechanical Engineering; Lighting; Heating | 171 | Expired |
| US5579829A | Keyless latch for orienting and anchoring downhole tools | Fixed Constructions | 64 | Expired |
| US5615740A | Internal pressure sleeve for use with easily drillable exit ports | Fixed Constructions | 63 | Expired |
| US6415878B1 | Steerable rotary drilling device | Fixed Constructions | 38 | Expired |
| US6202746A | Fail-safe coupling for a latch assembly | Fixed Constructions | 23 | Expired |
| US5778980A | Multicut casing window mill and method for forming a casing window | Fixed Constructions | 20 | Expired |
| US6340063B1 | Steerable rotary directional drilling method | Fixed Constructions | 17 | Expired |
| US5762143A | System and method for placement and retrieval of a subsurface diverting tool used in drilling and completing wells | Fixed Constructions | 9 | Expired |
| US6640909B2 | Steerable rotary drilling device | Fixed Constructions | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.