Assignee
VOEST ALPINE AG
AT·311 granted patents·3,568 citations·filing 1978–1996
Top patents by PatentIndex Score
311 records- 0198US4247150ABit arrangement for a cutting toolVOEST ALPINE AG·Filed 1979·Granted Jan 27, 1981·124 cites·8 claims
- 0292US4580428AHot-rolling mill and process for producing sheet metalVOEST ALPINE AG·Filed 1984·Granted Apr 8, 1986·36 cites·3 claims
- 0391US4551051AApparatus for charging a rotary kiln with pneumatic tiresVOEST ALPINE AG·Filed 1983·Granted Nov 5, 1985·38 cites·5 claims
- 0491US4497191APlant and process for hot-rolling strip or plate stockVOEST ALPINE AG·Filed 1983·Granted Feb 5, 1985·34 cites·1 claims
- 0589US4502227AProcess for continuously drying and upgrading of organic solid materials such as, for example, brown coalsVOEST ALPINE AG·Filed 1983·Granted Mar 5, 1985·41 cites·5 claims
- 0688US4514912AProcess for drying of organic solid materials, particularly brown coalsVOEST ALPINE AG·Filed 1980·Granted May 7, 1985·43 cites·15 claims
- 0787US4411148APress brakeVOEST ALPINE AG·Filed 1981·Granted Oct 25, 1983·40 cites·8 claims
- 0886US4836510AMetallurgical plantVOEST ALPINE AG·Filed 1988·Granted Jun 6, 1989·39 cites·3 claims
- 0986US4606799AMethod, and an arrangement, for producing synthesis gasesVOEST ALPINE AG·Filed 1985·Granted Aug 19, 1986·50 cites·9 claims
- 1086US4392063ATurbine installation comprising a turbine installed in a ductVOEST ALPINE AG·Filed 1981·Granted Jul 5, 1983·85 cites·4 claims
- 1185US4889323AMill arrangement with primary gas mixing meansVOEST ALPINE AG·Filed 1987·Granted Dec 26, 1989·62 cites·7 claims
- 1285US4561883AMethod of producing metals or metal alloys and an arrangement thereforVOEST ALPINE AG·Filed 1984·Granted Dec 31, 1985·29 cites·15 claims
- 1384US4913742AProcess of making cement clinker and apparatus for performing said processVOEST ALPINE AG·Filed 1983·Granted Apr 3, 1990·44 cites·7 claims
- 1484US4542942ABit holder equipped with a spraying deviceVOEST ALPINE AG·Filed 1983·Granted Sep 24, 1985·48 cites·8 claims
- 1584US4523623APlate mould for continuous castingVOEST ALPINE AG·Filed 1982·Granted Jun 18, 1985·20 cites·7 claims
- 1684US4270593AMethod of changing the cross sectional format of a strand and a plate mould for carrying out the methodVOEST ALPINE AG·Filed 1979·Granted Jun 2, 1981·20 cites·14 claims
- 1783US4822411AIntegrated steel mill arrangementVOEST ALPINE AG·Filed 1987·Granted Apr 18, 1989·36 cites·5 claims
- 1883US4537448AExcavating head with pick-controlled water supplyVOEST ALPINE AG·Filed 1983·Granted Aug 27, 1985·64 cites·10 claims
- 1982US4356716ABending machineVOEST ALPINE AG·Filed 1980·Granted Nov 2, 1982·28 cites·7 claims
- 2081US4756729AApparatus for separating dust from gasesVOEST ALPINE AG·Filed 1986·Granted Jul 12, 1988·42 cites·3 claims
- 2181US4245692AContinuous casting mould suitable for adjustment to various cross sectional formats of a strandVOEST ALPINE AG·Filed 1979·Granted Jan 20, 1981·16 cites·2 claims
- 2280US4571796ALatheVOEST ALPINE AG·Filed 1984·Granted Feb 25, 1986·50 cites·3 claims
- 2380US4442690ACoiler-furnace combinationVOEST ALPINE AG·Filed 1982·Granted Apr 17, 1984·23 cites·5 claims
- 2479US4784439AMovable cutting machineVOEST ALPINE AG·Filed 1982·Granted Nov 15, 1988·21 cites·8 claims
- 2579US4504307AMethod for carrying out melting, melt-metallurgical and/or reduction-metallurgical processes in a plasma melting furnace as well as an arrangement for carrying out the methodVOEST ALPINE AG·Filed 1984·Granted Mar 12, 1985·19 cites·12 claims
- 2679US4396421AMethod of, and arrangement for, producing molten pig iron or steel pre-materialVOEST ALPINE AG·Filed 1981·Granted Aug 2, 1983·23 cites·32 claims
- 2778US4635832AMethod of, and an arrangement for casting metal meltVOEST ALPINE AG·Filed 1985·Granted Jan 13, 1987·18 cites·2 claims
- 2878US4274536AShielded roller chainVOEST ALPINE AG·Filed 1979·Granted Jun 23, 1981·24 cites·3 claims
- 2977US4380469AProcess and apparatus for continuously reducing and melting metal oxides and/or pre-reduced metallic materialsVOEST ALPINE AG·Filed 1980·Granted Apr 19, 1983·24 cites·9 claims
- 3077US4298355AMethod for the gasification of coalVOEST ALPINE AG·Filed 1979·Granted Nov 3, 1981·18 cites·11 claims
- 3176US4804408AA mill arrangement and a process of operating the same using off gases to refine pig ironVOEST ALPINE AG·Filed 1987·Granted Feb 14, 1989·25 cites·2 claims
- 3276US4332551AProcess and equipment for firing pelletsVOEST ALPINE AG·Filed 1980·Granted Jun 1, 1982·24 cites·12 claims
- 3375US4303523ADewatering drumVOEST ALPINE AG·Filed 1980·Granted Dec 1, 1981·28 cites·7 claims
- 3475US4243208AConverter plantVOEST ALPINE AG·Filed 1979·Granted Jan 6, 1981·9 cites·5 claims
- 3574US4740989APlant for producing steel from scrapVOEST ALPINE AG·Filed 1987·Granted Apr 26, 1988·24 cites·13 claims
- 3674US4682646AContinuous casting mold for selectively casting strands of different widths and thicknesses and a method for operating the continuous casting moldVOEST ALPINE AG·Filed 1985·Granted Jul 28, 1987·14 cites·23 claims
- 3774US4560314AMagazine arrangement for measuring and/or sampling probesVOEST ALPINE AG·Filed 1983·Granted Dec 24, 1985·12 cites·5 claims
- 3874US4518417AMethod of, and arrangement for, reducing oxide-containing fine-particle oresVOEST ALPINE AG·Filed 1983·Granted May 21, 1985·16 cites·9 claims
- 3974US4457840AApparatus for delivering a stream of green pelletsVOEST ALPINE AG·Filed 1982·Granted Jul 3, 1984·25 cites·6 claims
- 4074US4351633AMethod of recovering the sensible heat of continuously cast slabsVOEST ALPINE AG·Filed 1980·Granted Sep 28, 1982·16 cites·7 claims
- 4173US4728360AProcess for the production of molten pig iron and steel pre-productsVOEST ALPINE AG·Filed 1985·Granted Mar 1, 1988·18 cites·5 claims
- 4273US4534405AMethod and an arrangement for inspecting the surface of steel stock having a temperature above the Curie pointVOEST ALPINE AG·Filed 1983·Granted Aug 13, 1985·30 cites·13 claims
- 4373US4502615AApparatus for a controlled supply of powder to a mold for continuous castingVOEST ALPINE AG·Filed 1982·Granted Mar 5, 1985·14 cites·6 claims
- 4472US4465592AVibrating conveyor for delivering a stream of green pellets of even thicknessVOEST ALPINE AG·Filed 1982·Granted Aug 14, 1984·16 cites·9 claims
- 4571US4725308AProcess for producing molten pig iron or steel pre-productsVOEST ALPINE AG·Filed 1986·Granted Feb 16, 1988·18 cites·6 claims
- 4671US4699655AProcess and a plant for the direct reduction of iron oxide particles in a shaft furnace and for smelting the obtained iron sponge particles in a meltdown gasifierVOEST ALPINE AG·Filed 1985·Granted Oct 13, 1987·19 cites·8 claims
- 4770US4265136ATorque support arrangementVOEST ALPINE AG·Filed 1978·Granted May 5, 1981·19 cites·11 claims
- 4869US4756200AProbe for extracting hot sample gasVOEST ALPINE AG·Filed 1987·Granted Jul 12, 1988·34 cites·1 claims
- 4969US4703640ACoiler-furnace unitVOEST ALPINE AG·Filed 1986·Granted Nov 3, 1987·13 cites·8 claims
- 5069US4232855ATap-hole closing arrangementVOEST ALPINE AG·Filed 1979·Granted Nov 11, 1980·9 cites·4 claims
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