George Witman
6Patents
3h-index
7Co-inventors
42Inventor score
Filing activity: May 21, 2002 → Feb 6, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6814162B2 | One cone bit with interchangeable cutting structures, a box-end connection, and integral sensory devices | Fixed Constructions | 47 | Expired |
| US7665547B2 | Drill bit reservoir with controllable relief pressure | Fixed Constructions | 5 | Active |
| US7100711B2 | Single cone rock bit having inserts adapted to maintain hole gage during drilling | Fixed Constructions | 4 | Expired |
| US6719073B2 | Single-cone rock bit having cutting structure adapted to improve hole cleaning, and to reduce tracking and bit balling | Fixed Constructions | 3 | Expired |
| US7690446B2 | Single cone rock bit having inserts adapted to maintain hole gage during drilling | Fixed Constructions | 0 | Active |
| US7401668B2 | Single cone rock bit having inserts adapted to maintain hole gage during drilling | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.