Assignee
HOOGOVENS STAAL BV
NL·19 granted patents·197 citations·filing 1993–1998
Top patents by PatentIndex Score
19 records- 0173US5800592AProcess for producing molten pig iron with melting cycloneHOOGOVENS STAAL BV·Filed 1996·Granted Sep 1, 1998·25 cites·13 claims
- 0273US5711178ADie for use in die-necking of a metal can body and method using such a dieHOOGOVENS STAAL BV·Filed 1996·Granted Jan 27, 1998·29 cites·19 claims
- 0363US6053996AMethod for the manufacture of a strip of formable steelHOOGOVENS STAAL BV·Filed 1996·Granted Apr 25, 2000·15 cites·7 claims
- 0461US5567225AMethod of making pig iron with zinc recoveryHOOGOVENS STAAL BV·Filed 1995·Granted Oct 22, 1996·21 cites·10 claims
- 0559US6109336AMethod of manufacturing a deep-drawing steel strip or sheetHOOGOVENS STAAL BV·Filed 1996·Granted Aug 29, 2000·9 cites·19 claims
- 0653US6221312B1Refractory wall, metallurgical vessel comprising such a refractory wall and method in which such a refractory wall is appliedHOOGOVENS STAAL BV·Filed 1998·Granted Apr 24, 2001·12 cites·23 claims
- 0751US5662860AApparatus for producing molten pig iron by direct reductionHOOGOVENS STAAL BV·Filed 1996·Granted Sep 2, 1997·14 cites·11 claims
- 0849USD422917SCanHOOGOVENS STAAL BV·Filed 1998·Granted Apr 18, 2000·9 cites·1 claims
- 0948US5671860AFull-aperture easy-open metal can-endHOOGOVENS STAAL BV·Filed 1994·Granted Sep 30, 1997·27 cites·20 claims
- 1043US5704823AMethod for removing at least one coating from metal scrap partsHOOGOVENS STAAL BV·Filed 1996·Granted Jan 6, 1998·5 cites·14 claims
- 1142US5861091AProcess for electrochemically dissolving a metal such as zinc or tinHOOGOVENS STAAL BV·Filed 1995·Granted Jan 19, 1999·6 cites·26 claims
- 1242US5716426AMethods of processing aluminium dross and aluminium dross residue into calcium aluminateHOOGOVENS STAAL BV·Filed 1996·Granted Feb 10, 1998·9 cites·13 claims
- 1339US5827473AMethod and apparatus for producing pig iron by smelting reduction and method of obtaining such a plantHOOGOVENS STAAL BV·Filed 1996·Granted Oct 27, 1998·3 cites·7 claims
- 1437US5639293AMethod and apparatus for production of iron from iron compoundsHOOGOVENS STAAL BV·Filed 1995·Granted Jun 17, 1997·6 cites·25 claims
- 1533US5989307AMethod and apparatus for producing pig iron by smelting reduction and method of obtaining such a plantHOOGOVENS STAAL BV·Filed 1998·Granted Nov 23, 1999·1 cites·11 claims
- 1631US5609841AMethod and apparatus for treating a flow of gas containing oxidized sulphur compoundsHOOGOVENS STAAL BV·Filed 1993·Granted Mar 11, 1997·4 cites·11 claims
- 1730US5968448AProcess and apparatus for producing molten pig ironHOOGOVENS STAAL BV·Filed 1998·Granted Oct 19, 1999·0 cites·2 claims
- 1829US5693287AApparatus and method for the manufacture of DR steel stripHOOGOVENS STAAL BV·Filed 1995·Granted Dec 2, 1997·2 cites·12 claims
- 1912US5688376AMethod for the gas sealing manufacture of a door frame of a coke oven battery and such a door frame structureHOOGOVENS STAAL BV·Filed 1996·Granted Nov 18, 1997·0 cites·2 claims
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