Robert A. Powell
19Patents
12h-index
11Co-inventors
75Inventor score
Filing activity: Jun 29, 1981 → Nov 19, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD593018S1 | Wheel or wheel cover | General | 89 | Expired |
| USD620870S1 | Wheel or wheel cover | General | 75 | Expired |
| USD581337S1 | Front face of a vehicle wheel | General | 70 | Expired |
| USD583742S1 | Wheel or wheel cover | General | 49 | Expired |
| USD585354S1 | Wheel or wheel cover | General | 32 | Expired |
| US5020854A | Folding chair constructed of sheet material | Human Necessities | 28 | Expired |
| USD593920S1 | Wheel or wheel cover | General | 28 | Expired |
| US6371846B1 | Method for ventilating secure facility and system and apparatus used therefor | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4869553A | Collapsible chair formed from sheet material | Human Necessities | 18 | Expired |
| US5875700A | Brush cutting blade | Emerging Cross-Sectional Technologies | 18 | Expired |
| USD398882S | Motor vehicle | General | 14 | Expired |
| US7922951B2 | Plugging methods and apparatus for particulate filters | Emerging Cross-Sectional Technologies | 13 | Active |
| US5976007A | Security vent | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| USD623489S1 | Utility hook | General | 8 | Expired |
| US5202636A | Method of non-destructive lamp testing by sensing light output | Physics | 5 | Expired |
| US5968216A | Security vent | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| USD267741S | Fireplace insert | General | 3 | Expired |
| USRE38121E1 | Security vent | General | 1 | Expired |
| US4492895A | Arc resistant halogen headlamp and wiring scheme therefor | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.