Robert W. Evans
7Patents
2Active
7Granted
41Portfolio score
Filing activity: Aug 1, 1989 → Jun 12, 2021
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7041041B1 | Exercise equipment | Human Necessities | 53 | Expired |
| US5622294A | Golf cart towing belt | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5075951A | Drum closure and method of making | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4972568A | Method and apparatus for forming drum closure | Emerging Cross-Sectional Technologies | 9 | Expired |
| USD506515S1 | Exercise device | General | 1 | Expired |
| US11434865B2 | Systems and methods for electrical power generation | Electricity | 0 | Active |
| US11536106B2 | Predetermined load release device for a jar | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.