Assignee
BOULONNAIS TERRES REFRACTAIRES
FR·3 granted patents·9 citations·filing 1991–1995
Top patents by PatentIndex Score
3 records- 0135US5447292AMethod for the injection of a plugging mass in a tapping hole of a metallurgical reactor, such as a blast furnaceBOULONNAIS TERRES REFRACTAIRES·Filed 1993·Granted Sep 5, 1995·7 cites·6 claims
- 0225US5662862ADevice for guiding molten steel in a tundishBOULONNAIS TERRES REFRACTAIRES·Filed 1995·Granted Sep 2, 1997·2 cites·8 claims
- 0317US5249959ADevice for the rapid repair of a blast-furnace plateBOULONNAIS TERRES REFRACTAIRES·Filed 1991·Granted Oct 5, 1993·0 cites·3 claims
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