Assignee
THYSSEN STAHL AG
DE·57 granted patents·891 citations·filing 1981–1998
Top patents by PatentIndex Score
57 records- 0193US4592777AMethod, process and composition for desulfurizing pig-iron meltsTHYSSEN STAHL AG·Filed 1984·Granted Jun 3, 1986·25 cites·49 claims
- 0288US5458704AProcess for the production of thick armour platesTHYSSEN STAHL AG·Filed 1993·Granted Oct 17, 1995·39 cites·13 claims
- 0388US4917969AProcess for the production of clad hot rolled strip and the resulting productTHYSSEN STAHL AG·Filed 1988·Granted Apr 17, 1990·61 cites·18 claims
- 0486US4645720AArmour-plate and process for its manufactureTHYSSEN STAHL AG·Filed 1984·Granted Feb 24, 1987·54 cites·16 claims
- 0585US4827100AProcess for the production of a shaped parts from pieces of sheet metal of different thicknessesTHYSSEN STAHL AG·Filed 1987·Granted May 2, 1989·41 cites·10 claims
- 0685US4650954AProcess for the butt-welding of especially deep-drawable steel sheets or steel strips galvanized at least on one sideTHYSSEN STAHL AG·Filed 1986·Granted Mar 17, 1987·46 cites·6 claims
- 0784US4994118AProcess for the production of hot rolled steel or heavy platesTHYSSEN STAHL AG·Filed 1989·Granted Feb 19, 1991·25 cites·19 claims
- 0882US5058656AInstallation for the production of a steel stripTHYSSEN STAHL AG·Filed 1990·Granted Oct 22, 1991·20 cites·6 claims
- 0979US4819840ARefractory submerged pouring nozzleTHYSSEN STAHL AG·Filed 1987·Granted Apr 11, 1989·21 cites·12 claims
- 1078US4902872AProcess for the production of a shaped part from pieces of sheet metal of different thicknessesTHYSSEN STAHL AG·Filed 1988·Granted Feb 20, 1990·27 cites·5 claims
- 1177US5840206ANozzle for introducing a liquid metal into a mold, for the continuous casting of metal products, the bottom of which has holesTHYSSEN STAHL AG·Filed 1996·Granted Nov 24, 1998·18 cites·7 claims
- 1277US4951734AProcess for the production of a steel stripTHYSSEN STAHL AG·Filed 1988·Granted Aug 28, 1990·15 cites·10 claims
- 1377US4764211AFine-grained agent for desulfurizing molten ironTHYSSEN STAHL AG·Filed 1986·Granted Aug 16, 1988·23 cites·22 claims
- 1475US4872940AApparatus for the continuous welding of strips and/or sheetsTHYSSEN STAHL AG·Filed 1988·Granted Oct 10, 1989·38 cites·10 claims
- 1573US4962808AMethod of producing a steel strip having a thickness of less than 10 mmTHYSSEN STAHL AG·Filed 1989·Granted Oct 16, 1990·13 cites·7 claims
- 1671US4790889AHot-rolled strip having a dual-phase structureTHYSSEN STAHL AG·Filed 1987·Granted Dec 13, 1988·18 cites·10 claims
- 1770US5578228AProcess for the laser beam cutting of strip or plate workpieces, especially magnetic steel sheetsTHYSSEN STAHL AG·Filed 1993·Granted Nov 26, 1996·31 cites·11 claims
- 1868US6284063B1Hot-rolled steel strip and method of making itTHYSSEN STAHL AG·Filed 1997·Granted Sep 4, 2001·18 cites·13 claims
- 1968US4832739AProcess for desulfurizing molten ironTHYSSEN STAHL AG·Filed 1988·Granted May 23, 1989·15 cites·20 claims
- 2068US4733815AProcess for guiding sheets to be butt-welded together and apparatus with means for conveying and guiding sheets or strips to be butt-welded togetherTHYSSEN STAHL AG·Filed 1987·Granted Mar 29, 1988·27 cites·8 claims
- 2165US5711825AProcess for the production of grain oriented magnetic steel sheets having improved remagnetization lossesTHYSSEN STAHL AG·Filed 1994·Granted Jan 27, 1998·12 cites·11 claims
- 2265US5479982AMethod for the production of a steel strip by the casting of a strand followed by rollingTHYSSEN STAHL AG·Filed 1993·Granted Jan 2, 1996·13 cites·7 claims
- 2362US4586955AProcess for desulphurizing hot metalTHYSSEN STAHL AG·Filed 1985·Granted May 6, 1986·13 cites·11 claims
- 2457US6002098ALaser-assisted plating of stripTHYSSEN STAHL AG·Filed 1996·Granted Dec 14, 1999·23 cites·27 claims
- 2556US5759294AProcess for the production of grain oriented magnetic steel sheets having improved remagnetization lossesTHYSSEN STAHL AG·Filed 1996·Granted Jun 2, 1998·13 cites·2 claims
- 2655US6162308AProcess for producing an easily shaped cold-rolled sheet or stripTHYSSEN STAHL AG·Filed 1997·Granted Dec 19, 2000·24 cites·4 claims
- 2755US6153019AProcess for producing a grain-orientated electrical steel sheetTHYSSEN STAHL AG·Filed 1997·Granted Nov 28, 2000·10 cites·5 claims
- 2855US5366539AProcess for the desulphurization treatment of pig iron meltsTHYSSEN STAHL AG·Filed 1992·Granted Nov 22, 1994·14 cites·23 claims
- 2953US4898629AMethod of producing hot rolled steel stripTHYSSEN STAHL AG·Filed 1988·Granted Feb 6, 1990·8 cites·9 claims
- 3048US6052901AProcess for production of lightweight sheet-steel wheel for vehiclesTHYSSEN STAHL AG·Filed 1997·Granted Apr 25, 2000·18 cites·5 claims
- 3146US5204505AProcess and apparatus for the continuous welding of strips guided in abutment by a laser beamTHYSSEN STAHL AG·Filed 1991·Granted Apr 20, 1993·13 cites·15 claims
- 3246US5156691AProcess for improving the cold formability of heat-treatable steelsTHYSSEN STAHL AG·Filed 1990·Granted Oct 20, 1992·9 cites·2 claims
- 3346US4741880ASteelTHYSSEN STAHL AG·Filed 1987·Granted May 3, 1988·9 cites·8 claims
- 3445US4808220AProcess for the preparation of refined ferromanganeseTHYSSEN STAHL AG·Filed 1988·Granted Feb 28, 1989·10 cites·19 claims
- 3544US4903948AMetallurgical vesselTHYSSEN STAHL AG·Filed 1988·Granted Feb 27, 1990·6 cites·10 claims
- 3643US6065266ALight structural metal plate in the form of a hump plate and process for its productionTHYSSEN STAHL AG·Filed 1998·Granted May 23, 2000·16 cites·13 claims
- 3741US5394270AOptical beam divider for a laser beamTHYSSEN STAHL AG·Filed 1993·Granted Feb 28, 1995·10 cites·6 claims
- 3840US6287395B1High-energy weldable soft magnetic steel and its use for parts of magnetic suspension railwaysTHYSSEN STAHL AG·Filed 1997·Granted Sep 11, 2001·9 cites·6 claims
- 3939US5227131AMetal alloy for cast prosthetic frames in dentistryTHYSSEN STAHL AG·Filed 1991·Granted Jul 13, 1993·9 cites·4 claims
- 4037US6063507ADouble-layered sheet metal; process for its production and use of such double-layered sheet metalTHYSSEN STAHL AG·Filed 1998·Granted May 16, 2000·6 cites·28 claims
- 4137US6059013ATurning passage for the feed and discharge of cooling water of a guide roll in a continuous casting systemTHYSSEN STAHL AG·Filed 1996·Granted May 9, 2000·8 cites·1 claims
- 4235US6564646B1Measuring method for determining the biaxial shaping behavior of metallic materials, more particularly sheet metalTHYSSEN STAHL AG·Filed 1997·Granted May 20, 2003·8 cites·7 claims
- 4334US4934665AApparatus for preparing binderfree hot briquettes for smelting purposesTHYSSEN STAHL AG·Filed 1989·Granted Jun 19, 1990·3 cites·14 claims
- 4434US4919885ACorrosion resistant steel structural memberTHYSSEN STAHL AG·Filed 1988·Granted Apr 24, 1990·6 cites·6 claims
- 4534US4479602AApparatus for the manufacture of hollow cylindrical bodiesTHYSSEN STAHL AG·Filed 1981·Granted Oct 30, 1984·5 cites·3 claims
- 4632US6231695B1Method of heat-treating a thin sheet coated with ZnAL by hot dip galvanizationTHYSSEN STAHL AG·Filed 1997·Granted May 15, 2001·6 cites·4 claims
- 4732US5346551ADevice for blowing off coating material in the coating of metal bandsTHYSSEN STAHL AG·Filed 1991·Granted Sep 13, 1994·8 cites·6 claims
- 4831US4883111AIngot mould for continuous castingTHYSSEN STAHL AG·Filed 1988·Granted Nov 28, 1989·3 cites·9 claims
- 4930US5193398AMeasuring method for determining the elongation after rupture of a tensile testpieceTHYSSEN STAHL AG·Filed 1991·Granted Mar 16, 1993·9 cites·6 claims
- 5029US5916387AMethod of reducing the gaping values in the web saw cut test on steel railway tracksTHYSSEN STAHL AG·Filed 1997·Granted Jun 29, 1999·3 cites·5 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
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