Robert D. Turner
5Patents
2Active
5Granted
36Portfolio score
Filing activity: Apr 18, 1989 → Nov 5, 2014 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5104380A | Syringe with dose metering device | Human Necessities | 518 | Expired |
| US6537337B2 | Air filter for extraction apparatus | Performing Operations; Transporting | 3 | Expired |
| US5977891A | Base four serial communication system | Electricity | 2 | Expired |
| US7548942B2 | Base four processor | Physics | 1 | Active |
| US9227340B2 | Hanging concrete mixer barrel wiper | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.