Brian Ralph
4Patents
3h-index
9Co-inventors
47Inventor score
Filing activity: Dec 10, 1982 → Dec 22, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6722875B2 | Vertical injection molding machine | Performing Operations; Transporting | 6 | Expired |
| US4589314A | Film cutter | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4468268A | Method of splicing motion picture film negatives | Performing Operations; Transporting | 3 | Expired |
| US10507814B2 | Hydraulic failure isolation valve | Mechanical Engineering; Lighting; Heating | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.