Inventor · disambiguated record
Hans De Haas
Also filed as: DE HAAS HANS · GREBE KLAUS · HAAS HANS DE
5 granted patents·47 citations·filing 1975–1994
78Inventor score
Top patents by PatentIndex Score
5 records- 0176US3975186AMethod of making iron powderMANNESMANN AG·Filed 1975·Granted Aug 17, 1976·21 cites·17 claims
- 0256US5772727AProcess for the production of metal from metal oresKLOECKNER STAHL GMBH·Filed 1994·Granted Jun 30, 1998·13 cites·18 claims
- 0344US4213777AMaking iron powder having fiber-like particlesMANNESMANN AG·Filed 1978·Granted Jul 22, 1980·7 cites·12 claims
- 0438US5286008ASystem for inerting a casting vessel used for transporting molten metalKLOECKNER STAHL GMBH·Filed 1991·Granted Feb 15, 1994·6 cites·8 claims
- 0521US5246485AMethod and apparatus for preventing fume production when transporting molten metal from a metallurgical vessel to casting vesselsKLOECKNER STAHL GMBH·Filed 1989·Granted Sep 21, 1993·0 cites·37 claims
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