Inventor · Millersville, PA, US

Daniel C. Ziegler

8Patents
6h-index
6Co-inventors
56Inventor score

Filing activity: Dec 14, 1981 → Sep 23, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
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.