Antech Limited
🏢 View company profile →7Patents
3Active
7Granted
33Portfolio score
Filing activity: Sep 6, 2000 → Feb 21, 2012 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6523609B1 | Borehole pressure gauge | Fixed Constructions | 28 | Expired |
| US6763900B2 | Directional well drilling | Fixed Constructions | 5 | Expired |
| US8978784B2 | Directional well drilling | Fixed Constructions | 3 | Active |
| US6698534B2 | Direction control in well drilling | Fixed Constructions | 3 | Expired |
| US8878688B2 | Well downhole condition signalling | Physics | 1 | Active |
| US6762601B2 | Non-invasive detectors for wells | Physics | 1 | Expired |
| US8874407B2 | System for determination of downhole position | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.