Christopher Durrand
17Patents
9h-index
12Co-inventors
61Inventor score
Filing activity: Mar 24, 2006 → Jul 29, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7398837B2 | Drill bit assembly with a logging device | Fixed Constructions | 75 | Active |
| US7453768B2 | High-speed, downhole, cross well measurement system | Physics | 50 | Active |
| US8033615B2 | Retention system | Emerging Cross-Sectional Technologies | 45 | Active |
| US8061784B2 | Retention system | Emerging Cross-Sectional Technologies | 45 | Active |
| US7426968B2 | Drill bit assembly with a probe | Emerging Cross-Sectional Technologies | 29 | Active |
| US7265649B1 | Flexible inductive resistivity device | Electricity | 21 | Active |
| US7969819B2 | Method for taking time-synchronized seismic measurements | Physics | 14 | Active |
| US8316964B2 | Drill bit transducer device | Fixed Constructions | 9 | Active |
| US8130117B2 | Drill bit with an electrically isolated transmitter | Fixed Constructions | 9 | Active |
| US8061443B2 | Downhole sample rate system | Fixed Constructions | 7 | Active |
| US7946656B2 | Retention system | Emerging Cross-Sectional Technologies | 6 | Active |
| US7598886B2 | System and method for wirelessly communicating with a downhole drill string | Fixed Constructions | 5 | Active |
| US8267196B2 | Flow guide actuation | Fixed Constructions | 5 | Active |
| US8140259B2 | Location device with a gravity measuring device | Physics | 4 | Active |
| US7572134B2 | Centering assembly for an electric downhole connection | Electricity | 4 | Active |
| US8408336B2 | Flow guide actuation | Fixed Constructions | 3 | Active |
| US8237584B2 | Changing communication priorities for downhole LWD/MWD applications | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.