Daniel C. Ziegler
8Patents
6h-index
6Co-inventors
56Inventor score
Filing activity: Dec 14, 1981 → Sep 23, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5839246A | Grid framework for suspended ceiling | Emerging Cross-Sectional Technologies | 42 | Expired |
| US4893444A | Fire expansion joint for ceiling runner | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4580386A | Expansion clip on a ceiling runner | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4606166A | Fire-rated beam with expansion relief section | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7661236B2 | Stab-in connector with expansion relief | Fixed Constructions | 10 | Active |
| US6351919B1 | Compression relief section | Fixed Constructions | 8 | Expired |
| US4730433A | End detail for ceiling runner | Fixed Constructions | 6 | Expired |
| USRE33501E | Fire-rated beam with expansion relief section | General | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.