Assignee
ZIA PATENT COMPANY
US·3 granted patents·95 citations·filing 1990–1991
Top patents by PatentIndex Score
3 records- 0192US5186741ADirect reduction process in a rotary hearth furnaceZIA PATENT COMPANY·Filed 1991·Granted Feb 16, 1993·91 cites·16 claims
- 0241US5028034AContinuous feed shaft retort appartus for recovery of non-ferrous metalsZIA PATENT COMPANY·Filed 1990·Granted Jul 2, 1991·4 cites·12 claims
- 0326US5164147AHeat treating furnaceZIA PATENT COMPANY·Filed 1991·Granted Nov 17, 1992·0 cites·17 claims
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