Inventor · Greensburg, PA, US

David J. Roha

4Patents
2h-index
9Co-inventors
37Inventor score

Filing activity: Aug 18, 1998 → Jan 7, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US6117302A Fuel cell aluminum production Emerging Cross-Sectional Technologies 7 Expired
US7267158B2 Control of oxide growth on molten aluminum during casting using a high moisture atmosphere Performing Operations; Transporting 4 Expired
US7753988B2 Use of alumina-carbon agglomerates in the carbothermic production of aluminum Chemistry; Metallurgy 0 Active
US7819937B2 Use of alumina-carbon agglomerates in the carbothermic production of aluminum Chemistry; Metallurgy 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.