Patrick Williams
9Patents
8h-index
6Co-inventors
62Inventor score
Filing activity: Oct 18, 1976 → Mar 5, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4323133A | Folding frameworks and wheel-chairs | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4273350A | Folding wheelchair | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4770275A | Leveller for ladders and other apparatus | Fixed Constructions | 23 | Expired |
| US4083288A | Split nuts | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| USD673534S1 | Antenna | General | 15 | Active |
| US5947354A | Carrier for vehicle roofs | Performing Operations; Transporting | 15 | Expired |
| US4665584A | Buoyant valve member closing device for doors | Fixed Constructions | 9 | Expired |
| US7931287B2 | Isolated spring clamp group | Emerging Cross-Sectional Technologies | 9 | Active |
| US7744105B2 | Isolated spring clamp group | Emerging Cross-Sectional Technologies | 4 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.