Assignee
ELKEM MATERIALS
NO·43 granted patents·3 pending applications·393 citations·filing 1990–2023
Top patents by PatentIndex Score
46 records- 0185US11486012B2Cast iron inoculant and method for production of cast iron inoculantELKEM MATERIALS·Filed 2018·Granted Nov 1, 2022·4 cites·21 claims
- 0284US11708618B2Cast iron inoculant and method for production of cast iron inoculantELKEM MATERIALS·Filed 2018·Granted Jul 25, 2023·2 cites·23 claims
- 0384US11098383B2Cast iron inoculant and method for production of cast iron inoculantELKEM MATERIALS·Filed 2017·Granted Aug 24, 2021·2 cites·14 claims
- 0480US11479828B2Cast iron inoculant and method for production of cast iron inoculantELKEM MATERIALS·Filed 2018·Granted Oct 25, 2022·2 cites·19 claims
- 0578US11542578B2Silicon based alloy, method for the production thereof and use of such alloyELKEM MATERIALS·Filed 2019·Granted Jan 3, 2023·1 cites·12 claims
- 0678US6102983ACast iron inoculant and method for production of cast iron inoculantELKEM MATERIALS·Filed 1998·Granted Aug 15, 2000·49 cites·11 claims
- 0777US7226493B2Method for grain refining of steel, grain refining alloy for steel and method for producing grain refining alloyELKEM MATERIALS·Filed 2001·Granted Jun 5, 2007·16 cites·15 claims
- 0875US12291764B2Silicon based alloy, method for the production thereof and use of such alloyELKEM MATERIALS·Filed 2023·Granted May 6, 2025·0 cites·8 claims
- 0975US7393407B2Silicon oxide slurry and method for producing such slurryELKEM MATERIALS·Filed 2003·Granted Jul 1, 2008·21 cites·13 claims
- 1072US11021412B2Fertilizer comprising bioavailable Si and method for production thereofELKEM MATERIALS·Filed 2018·Granted Jun 1, 2021·1 cites·25 claims
- 1172US6702994B1Method and apparatus for production of amorphous silica from silicon and silicon containing materialsELKEM MATERIALS·Filed 2000·Granted Mar 9, 2004·14 cites·10 claims
- 1268US6811677B2Electrolytic cell for the production of aluminum and a method for maintaining a crust on a sidewall and for recovering electricityELKEM MATERIALS·Filed 2001·Granted Nov 2, 2004·6 cites·22 claims
- 1368US5769939ACement based injection groutELKEM MATERIALS·Filed 1997·Granted Jun 23, 1998·37 cites·8 claims
- 1466US5788945AMethod for refining of siliconELKEM MATERIALS·Filed 1997·Granted Aug 4, 1998·44 cites·9 claims
- 1564US6861040B1Refining of metallurgical grade siliconELKEM MATERIALS·Filed 2000·Granted Mar 1, 2005·13 cites·2 claims
- 1662US2019127813A1Gray cast iron inoculantELKEM MATERIALS·Filed 2017·Application pending·0 cites
- 1761US10800961B2Viscosifier for oil well fluidsELKEM MATERIALS·Filed 2018·Granted Oct 13, 2020·0 cites·11 claims
- 1861US7879130B2Calcium-silicate based slag for treatment of molten siliconELKEM MATERIALS·Filed 2008·Granted Feb 1, 2011·1 cites·9 claims
- 1961US6696035B2Method for production of white microsilicaELKEM MATERIALS·Filed 2001·Granted Feb 24, 2004·10 cites·8 claims
- 2061US5833772ASilicon alloy, method for producing the alloy and method for production of consolidated products from siliconELKEM MATERIALS·Filed 1996·Granted Nov 10, 1998·19 cites·20 claims
- 2161US2021025040A1Silicon based alloy, method for the production thereof and use of such alloyELKEM MATERIALS·Filed 2019·Application pending·0 cites
- 2260US12083591B2Mould powder and mould coatingELKEM MATERIALS·Filed 2019·Granted Sep 10, 2024·0 cites·23 claims
- 2360US11932913B2Cast iron inoculant and method for production of cast iron inoculantELKEM MATERIALS·Filed 2018·Granted Mar 19, 2024·0 cites·21 claims
- 2460US7854784B2Calcium-silicate based slag for treatment of molten siliconELKEM MATERIALS·Filed 2009·Granted Dec 21, 2010·0 cites·9 claims
- 2560US7169207B2Device and method for treatment of gasesELKEM MATERIALS·Filed 2003·Granted Jan 30, 2007·6 cites·9 claims
- 2659US5822358AMethod and apparatus for producing self-baking carbon electrodeELKEM MATERIALS·Filed 1996·Granted Oct 13, 1998·23 cites·12 claims
- 2757US11486011B2Cast iron inoculant and method for production of cast iron inoculantELKEM MATERIALS·Filed 2018·Granted Nov 1, 2022·0 cites·14 claims
- 2855US5135576ACombined structures of ceramic materials and super concreteELKEM MATERIALS·Filed 1990·Granted Aug 4, 1992·17 cites·19 claims
- 2955US2024247346A1Ferrosilicon vanadium and/or niobium alloy, production of a ferrosilicon vanadium and/or niobium alloy, and the use thereofELKEM MATERIALS·Filed 2022·Application pending·0 cites
- 3053US11299436B2NPK-Si fertilizer, method for production and use thereofELKEM MATERIALS·Filed 2018·Granted Apr 12, 2022·0 cites·24 claims
- 3149US11846000B2Cast iron inoculant and method for production of cast iron inoculantELKEM MATERIALS·Filed 2017·Granted Dec 19, 2023·0 cites·15 claims
- 3249US11254622B2NPK-Si-humate fertilizer, method for production and use thereofELKEM MATERIALS·Filed 2018·Granted Feb 22, 2022·0 cites·25 claims
- 3348US6157667AMethod and calcining furnace for electric calcining of carbonaceous materialELKEM MATERIALS·Filed 1998·Granted Dec 5, 2000·15 cites·6 claims
- 3447US11322741B2Silicon powder for use in anodes for lithium-ion batteries and method for production of silicon powderELKEM MATERIALS·Filed 2018·Granted May 3, 2022·0 cites·7 claims
- 3544US7918916B2Calcium-silicate based slag for treatment of molten steelELKEM MATERIALS·Filed 2003·Granted Apr 5, 2011·0 cites·14 claims
- 3644US5978410AMethod for production of carbon electrodesELKEM MATERIALS·Filed 1996·Granted Nov 2, 1999·15 cites·20 claims
- 3743US6572262B1Densifying of a bulk particulate materialELKEM MATERIALS·Filed 1999·Granted Jun 3, 2003·17 cites·31 claims
- 3843US6177045B1Composition and method for inoculating low sulphur grey ironELKEM MATERIALS·Filed 1997·Granted Jan 23, 2001·8 cites·18 claims
- 3939US5993508ABriquette as an additive for metallurgic purposes comprising silicon-containing residues, and process for its productionELKEM MATERIALS·Filed 1997·Granted Nov 30, 1999·7 cites·7 claims
- 4036US6809144B1Resin compositions, method of producing resin compositions and filler blends for use in resin compositionsELKEM MATERIALS·Filed 1999·Granted Oct 26, 2004·8 cites·20 claims
- 4133US6478840B1Reduction of chromium content in slag during melting of stainless steel in electric arc furnacesELKEM MATERIALS·Filed 1999·Granted Nov 12, 2002·5 cites·10 claims
- 4233US5772728AMethod for upgrading of silicon-containing residues obtained after leaching of copper-containing residues from chlorosilane synthesisELKEM MATERIALS·Filed 1997·Granted Jun 30, 1998·5 cites·8 claims
- 4331US6635198B1Method for producing elongated carbon bodiesELKEM MATERIALS·Filed 1999·Granted Oct 21, 2003·5 cites·7 claims
- 4427US5778021ASelf-baking carbon electrodeELKEM MATERIALS·Filed 1995·Granted Jul 7, 1998·8 cites·12 claims
- 4524US6330270B1Method for weighing electrodes in electric smelting furnacesELKEM MATERIALS·Filed 1999·Granted Dec 11, 2001·8 cites·7 claims
- 4621US6178191B1Method for determination of the tip position of consumable electrodes used in electric smelting furnacesELKEM MATERIALS·Filed 1999·Granted Jan 23, 2001·4 cites·4 claims
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