Hans De Haas
5Patents
3h-index
12Co-inventors
54Inventor score
Filing activity: Sep 10, 1975 → Aug 18, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5772727A | Process for the production of metal from metal ores | Emerging Cross-Sectional Technologies | 10 | Expired |
| US3975186A | Method of making iron powder | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4213777A | Making iron powder having fiber-like particles | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5286008A | System for inerting a casting vessel used for transporting molten metal | Chemistry; Metallurgy | 2 | Expired |
| US5246485A | Method and apparatus for preventing fume production when transporting molten metal from a metallurgical vessel to casting vessels | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.