Frederick E. Ullman
3Patents
3h-index
1Co-inventors
33Inventor score
Filing activity: Mar 1, 1976 → Jun 12, 1978
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4053082A | Electrical outlet box assembly | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4186830A | Roller assembly for package flow systems | Performing Operations; Transporting | 7 | Expired |
| US4236865A | Method for controlling the flow of articles and pallets in a conveyor system | Performing Operations; Transporting | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.