Roy Walker
4Patents
2h-index
9Co-inventors
41Inventor score
Filing activity: May 18, 1994 → Jun 16, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5433294A | Geared elevator system | Performing Operations; Transporting | 12 | Expired |
| US7032371B2 | Synthetic fiber rope for an elevator | Textiles; Paper | 7 | Expired |
| US5906382A | Refuse bag cart | Performing Operations; Transporting | 1 | Expired |
| US10246302B2 | Auxiliary pumping unit | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.