Assignee
GREAT LAKES CARBON CORP
71 granted patents·1,344 citations·filing 1972–1989
Top patents by PatentIndex Score
71 records- 0195US4529494ABipolar electrode for Hall-Heroult electrolysisGREAT LAKES CARBON CORP·Filed 1984·Granted Jul 16, 1985·45 cites·16 claims
- 0294US4439491AOxidation retardant for graphiteGREAT LAKES CARBON CORP·Filed 1982·Granted Mar 27, 1984·80 cites·4 claims
- 0394US4284612APreparation of SiC whiskersGREAT LAKES CARBON CORP·Filed 1980·Granted Aug 18, 1981·78 cites·16 claims
- 0490US4376029ATitanium diboride-graphite compositsGREAT LAKES CARBON CORP·Filed 1980·Granted Mar 8, 1983·35 cites·3 claims
- 0590US4169120ASulfur electrode for sodium-sulfur batteriesGREAT LAKES CARBON CORP·Filed 1978·Granted Sep 25, 1979·51 cites·4 claims
- 0688US4413860AComposite discGREAT LAKES CARBON CORP·Filed 1981·Granted Nov 8, 1983·52 cites·9 claims
- 0788US4248844AProduction of SiC from rice hulls and silicaGREAT LAKES CARBON CORP·Filed 1980·Granted Feb 3, 1981·43 cites·11 claims
- 0887US4439382ATitanium diboride-graphite compositesGREAT LAKES CARBON CORP·Filed 1981·Granted Mar 27, 1984·47 cites·19 claims
- 0986US4283375AProduction of SiC whiskersGREAT LAKES CARBON CORP·Filed 1980·Granted Aug 11, 1981·38 cites·11 claims
- 1085US4369171AProduction of pitch and coke from raw petroleum cokeGREAT LAKES CARBON CORP·Filed 1981·Granted Jan 18, 1983·61 cites·5 claims
- 1185US4332856ACarbon or graphite article and method of making by impregnating with a lignin sulfonate complexGREAT LAKES CARBON CORP·Filed 1980·Granted Jun 1, 1982·45 cites·12 claims
- 1283US4495049AAnode for molten salt electrolysisGREAT LAKES CARBON CORP·Filed 1983·Granted Jan 22, 1985·22 cites·7 claims
- 1383US4312745ANon-puffing petroleum cokeGREAT LAKES CARBON CORP·Filed 1980·Granted Jan 26, 1982·40 cites·10 claims
- 1482US4291008AProcess for calcining and desulfurizing petroleum cokeGREAT LAKES CARBON CORP·Filed 1980·Granted Sep 22, 1981·31 cites·3 claims
- 1580US4334980ANon-puffing petroleum cokeGREAT LAKES CARBON CORP·Filed 1980·Granted Jun 15, 1982·29 cites·9 claims
- 1678US4472258AAnode for molten salt electrolysisGREAT LAKES CARBON CORP·Filed 1983·Granted Sep 18, 1984·18 cites·4 claims
- 1776US4462889ANon-consumable electrode for molten salt electrolysisGREAT LAKES CARBON CORP·Filed 1983·Granted Jul 31, 1984·18 cites·4 claims
- 1876US4233148AElectrode compositionGREAT LAKES CARBON CORP·Filed 1979·Granted Nov 11, 1980·18 cites·11 claims
- 1976US4152533AElectrode jointGREAT LAKES CARBON CORP·Filed 1978·Granted May 1, 1979·46 cites·9 claims
- 2075US4308177AUse of chloro-hydrocarbons to produce high density electrodesGREAT LAKES CARBON CORP·Filed 1979·Granted Dec 29, 1981·24 cites·9 claims
- 2174US3943213AMethod for manufacturing high temperature graphite fiber-graphite compositesGREAT LAKES CARBON CORP·Filed 1972·Granted Mar 9, 1976·27 cites·3 claims
- 2273US4041116AMethod for the manufacture of carbon-carbon compositesGREAT LAKES CARBON CORP·Filed 1974·Granted Aug 9, 1977·34 cites·8 claims
- 2372US4427540AProduction of anode grade petroleum cokeGREAT LAKES CARBON CORP·Filed 1982·Granted Jan 24, 1984·14 cites·10 claims
- 2470US4490244AProduction of premium grade petroleum cokeGREAT LAKES CARBON CORP·Filed 1983·Granted Dec 25, 1984·27 cites·7 claims
- 2569US4379033AMethod of manufacturing aluminum in a Hall-Heroult cellGREAT LAKES CARBON CORP·Filed 1981·Granted Apr 5, 1983·14 cites·21 claims
- 2669US4143217AProcess for manufacture of positive electrode for lithium/metal sulfide secondary cellGREAT LAKES CARBON CORP·Filed 1977·Granted Mar 6, 1979·21 cites·9 claims
- 2768US4626333AAnode assembly for molten salt electrolysisGREAT LAKES CARBON CORP·Filed 1986·Granted Dec 2, 1986·17 cites·14 claims
- 2867US4465581AComposite of TiB2 -graphiteGREAT LAKES CARBON CORP·Filed 1981·Granted Aug 14, 1984·22 cites·9 claims
- 2966US3989802ATreatment of carbon fibersGREAT LAKES CARBON CORP·Filed 1973·Granted Nov 2, 1976·13 cites·1 claims
- 3064US4526669ACathodic component for aluminum reduction cellGREAT LAKES CARBON CORP·Filed 1982·Granted Jul 2, 1985·14 cites·7 claims
- 3164US4394766AGraphitization system method and apparatusGREAT LAKES CARBON CORP·Filed 1981·Granted Jul 19, 1983·20 cites·23 claims
- 3264US4233378AProcess for manufacture of positive electrode for lithium/metal sulfide secondary cellGREAT LAKES CARBON CORP·Filed 1978·Granted Nov 11, 1980·16 cites·5 claims
- 3363US4782586AProcess for the production of a porous monolithic graphite plateGREAT LAKES CARBON CORP·Filed 1988·Granted Nov 8, 1988·25 cites·8 claims
- 3461US4175723AMethod and apparatus for neutralizing the effect of accelerating and decelerating forcesGREAT LAKES CARBON CORP·Filed 1978·Granted Nov 27, 1979·20 cites·4 claims
- 3559US4484997ACorrosion-resistant ceramic electrode for electrolytic processesGREAT LAKES CARBON CORP·Filed 1983·Granted Nov 27, 1984·10 cites·9 claims
- 3657US4617053AMetal reinforced porous refractory hard metal bodiesGREAT LAKES CARBON CORP·Filed 1985·Granted Oct 14, 1986·15 cites·2 claims
- 3757US4443314AAnode assembly for molten salt electrolysisGREAT LAKES CARBON CORP·Filed 1983·Granted Apr 17, 1984·10 cites·10 claims
- 3856US4053365ARotary calcinerGREAT LAKES CARBON CORP·Filed 1975·Granted Oct 11, 1977·11 cites·2 claims
- 3955US4160814AThermal desulfurization and calcination of petroleum cokeGREAT LAKES CARBON CORP·Filed 1978·Granted Jul 10, 1979·14 cites·2 claims
- 4050US4541912ACermet electrode assemblyGREAT LAKES CARBON CORP·Filed 1983·Granted Sep 17, 1985·10 cites·6 claims
- 4149US4294610AFoundry cokeGREAT LAKES CARBON CORP·Filed 1979·Granted Oct 13, 1981·7 cites·9 claims
- 4249US4144383APositive electrode for lithium/metal sulfide secondary cellGREAT LAKES CARBON CORP·Filed 1977·Granted Mar 13, 1979·10 cites·13 claims
- 4347US4466997AMethod of maintaining and repairing protective coatings for the high temperature zones of enginesGREAT LAKES CARBON CORP·Filed 1982·Granted Aug 21, 1984·8 cites·5 claims
- 4445US4530853ANon-conducting oxidation retardant coating composition for carbon and graphiteGREAT LAKES CARBON CORP·Filed 1984·Granted Jul 23, 1985·13 cites·27 claims
- 4544US4500401AAnode retraction device for a Hall-Heroult cell equipped with inert anodesGREAT LAKES CARBON CORP·Filed 1983·Granted Feb 19, 1985·8 cites·3 claims
- 4644US4127634ASulfur/graphite fiber electrode for sodium-sulfur batteriesGREAT LAKES CARBON CORP·Filed 1978·Granted Nov 28, 1978·8 cites·2 claims
- 4743US4513425AComposite electrode for arc furnaceGREAT LAKES CARBON CORP·Filed 1983·Granted Apr 23, 1985·9 cites·13 claims
- 4843US4375340ACarbon electrode jointGREAT LAKES CARBON CORP·Filed 1980·Granted Mar 1, 1983·14 cites·3 claims
- 4941US4891279AFuel cell plate separatorGREAT LAKES CARBON CORP·Filed 1988·Granted Jan 2, 1990·9 cites·5 claims
- 5041US4086380AGranular disc joints for lengthwise graphitizationGREAT LAKES CARBON CORP·Filed 1976·Granted Apr 25, 1978·5 cites·6 claims
Showing the top 50 of 71 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when GREAT LAKES CARBON CORP files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →