Assignee
PECHINEY ELECTROMETALLURGIE
FR·35 granted patents·1 pending application·721 citations·filing 1986–2006
Top patents by PatentIndex Score
36 records- 0194US4997622AHigh mechanical strength magnesium alloys and process for obtaining these alloys by rapid solidificationPECHINEY ELECTROMETALLURGIE·Filed 1989·Granted Mar 5, 1991·103 cites·13 claims
- 0288US5336280AAbrasive and/or refractory products based on melted and solidified oxynitrides and process preparing the samePECHINEY ELECTROMETALLURGIE·Filed 1992·Granted Aug 9, 1994·71 cites·7 claims
- 0388US4914070AProcess for the production of silicon carbide with a large specific surface area and use for high-temperature catalytic reactionsPECHINEY ELECTROMETALLURGIE·Filed 1988·Granted Apr 3, 1990·42 cites·10 claims
- 0487US5023212AElectrically melted multiphase material based on alumina and aluminium oxycarbide and oxynitridePECHINEY ELECTROMETALLURGIE·Filed 1989·Granted Jun 11, 1991·59 cites·5 claims
- 0586US5217930ABinodal metallic carbide and its use as a catalystPECHINEY ELECTROMETALLURGIE·Filed 1991·Granted Jun 8, 1993·38 cites·6 claims
- 0683US5733502AFerroalloy for inoculation of spherulitic graphite ironsPECHINEY ELECTROMETALLURGIE·Filed 1997·Granted Mar 31, 1998·36 cites·5 claims
- 0783US5147603ARapidly solidified and worked high strength magnesium alloy containing strontiumPECHINEY ELECTROMETALLURGIE·Filed 1991·Granted Sep 15, 1992·42 cites·17 claims
- 0880US5078962AHigh mechanical strength magnesium alloys and process for obtaining these by rapid solidificationPECHINEY ELECTROMETALLURGIE·Filed 1990·Granted Jan 7, 1992·32 cites·19 claims
- 0978US5429866AMetallurgical silicon powder exhibiting low surface oxidationPECHINEY ELECTROMETALLURGIE·Filed 1993·Granted Jul 4, 1995·27 cites·5 claims
- 1078US5196389ACatalytic system particularly for the postcombustion of exhaust gases and a method of producing such a systemPECHINEY ELECTROMETALLURGIE·Filed 1992·Granted Mar 23, 1993·41 cites·23 claims
- 1174US7615095B2Products for the protection of continuous cast moulds for cast-iron pipesPECHINEY ELECTROMETALLURGIE·Filed 2003·Granted Nov 10, 2009·6 cites·21 claims
- 1273US5308597AProduction of heavy metal carbides of high specific surface areaPECHINEY ELECTROMETALLURGIE·Filed 1990·Granted May 3, 1994·27 cites·17 claims
- 1372US6793707B2Inoculation filterPECHINEY ELECTROMETALLURGIE·Filed 2002·Granted Sep 21, 2004·6 cites·60 claims
- 1471US5714131AMetallurgical silicon containing phosphorus for the preparation of organohalogenosilanesPECHINEY ELECTROMETALLURGIE·Filed 1994·Granted Feb 3, 1998·14 cites·8 claims
- 1570US5352271AComposite wire with a plastic sheath for additions to metallic bathsPECHINEY ELECTROMETALLURGIE·Filed 1993·Granted Oct 4, 1994·23 cites·10 claims
- 1668US6057469AProcess for manufacturing active silicon powder for the preparation of alkyl- or aryl-halosilanesPECHINEY ELECTROMETALLURGIE·Filed 1999·Granted May 2, 2000·32 cites·17 claims
- 1768US5391524AProduction of heavy metal carbides of high specific surface areaPECHINEY ELECTROMETALLURGIE·Filed 1993·Granted Feb 21, 1995·22 cites·13 claims
- 1861US6613119B2Inoculant pellet for late inoculation of cast ironPECHINEY ELECTROMETALLURGIE·Filed 2002·Granted Sep 2, 2003·2 cites·13 claims
- 1961US5223215AMethod of improving the performance of magnesium alloys in respect of microshrinkagePECHINEY ELECTROMETALLURGIE·Filed 1991·Granted Jun 29, 1993·15 cites·8 claims
- 2059US5500399ASilicon alloy containing aluminum, calcium and copper for the synthesis of alkyl or aryl halogenosilanesPECHINEY ELECTROMETALLURGIE·Filed 1995·Granted Mar 19, 1996·8 cites·7 claims
- 2155US5435527AApparatus for the late introduction of particulate alloy when casting a liquid metalPECHINEY ELECTROMETALLURGIE·Filed 1991·Granted Jul 25, 1995·7 cites·5 claims
- 2250US5242480ADesulfurizing agent for cast iron, comprising calcium carbide and an organic binding agentPECHINEY ELECTROMETALLURGIE·Filed 1992·Granted Sep 7, 1993·9 cites·28 claims
- 2347US7896961B2Products of the dry-spray type, for the protection of centrifugal casting molds for cast iron pipesPECHINEY ELECTROMETALLURGIE·Filed 2006·Granted Mar 1, 2011·0 cites·17 claims
- 2446US4904622AProcess for the preparation of silicon carbide whiskersPECHINEY ELECTROMETALLURGIE·Filed 1988·Granted Feb 27, 1990·8 cites·10 claims
- 2545US6338753B1Powder product to protect moulds for the centrifugal casting of cast iron tubes and method of preparing this productPECHINEY ELECTROMETALLURGIE·Filed 1999·Granted Jan 15, 2002·13 cites·11 claims
- 2643US5476529AProcess for the recovery of magnesium from magnesium alloys wastePECHINEY ELECTROMETALLURGIE·Filed 1994·Granted Dec 19, 1995·5 cites·13 claims
- 2742US7569092B2Inoculant products comprising bismuth and rare earthsPECHINEY ELECTROMETALLURGIE·Filed 2004·Granted Aug 4, 2009·0 cites·18 claims
- 2842US2008178767A1Dry-Spray Products For Protecting Centrifugal Casting Molds of Cast Iron Pipes in Association With a Wet-Spray ProductPECHINEY ELECTROMETALLURGIE·Filed 2006·Application pending·0 cites
- 2940US5782955ALow oxygen-content metallurgical silicon and ferrosiliconPECHINEY ELECTROMETALLURGIE·Filed 1996·Granted Jul 21, 1998·8 cites·10 claims
- 3034US6391255B1Metallurgical-grade silicon with a controlled structure for use in halosilane synthesisPECHINEY ELECTROMETALLURGIE·Filed 1997·Granted May 21, 2002·3 cites·3 claims
- 3133US5198016AProduct for the desulphurization of molten pig iron or steel based on coated magnesiumPECHINEY ELECTROMETALLURGIE·Filed 1991·Granted Mar 30, 1993·6 cites·10 claims
- 3232US5577065ADevice for mounting a self-baking electrode for an electric arc furnacePECHINEY ELECTROMETALLURGIE·Filed 1995·Granted Nov 19, 1996·7 cites·8 claims
- 3332US4723763ADevice for continuous injection under low pressure of a powdered additive into a stream of molten metalPECHINEY ELECTROMETALLURGIE·Filed 1986·Granted Feb 9, 1988·4 cites·16 claims
- 3428US5540754AMethod for condensation of metal vapors to the liquid statePECHINEY ELECTROMETALLURGIE·Filed 1994·Granted Jul 30, 1996·2 cites·8 claims
- 3521US5282882AProcess for refining crude magnesiumPECHINEY ELECTROMETALLURGIE·Filed 1993·Granted Feb 1, 1994·1 cites·7 claims
- 3615US5226952ANitride process for refining calciumPECHINEY ELECTROMETALLURGIE·Filed 1992·Granted Jul 13, 1993·2 cites·23 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →