Charles J. Schafer
2Patents
2Active
2Granted
40Portfolio score
Filing activity: Jun 30, 2004 → Apr 29, 2009 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7942606B2 | Groundwater control system with automatic water flow regulator | Emerging Cross-Sectional Technologies | 11 | Active |
| US8403596B2 | Groundwater control system and method | Emerging Cross-Sectional Technologies | 3 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.