Assignee
REPUBLIC STEEL CORP
94 granted patents·1,861 citations·filing 1970–1984
Top patents by PatentIndex Score
94 records- 0194US4384737AThreaded joint for well casing and tubingREPUBLIC STEEL CORP·Filed 1980·Granted May 24, 1983·160 cites·15 claims
- 0290US4514266AMethod and apparatus for electroplatingREPUBLIC STEEL CORP·Filed 1981·Granted Apr 30, 1985·42 cites·16 claims
- 0389US4576570AAutomatic combustion control apparatus and methodREPUBLIC STEEL CORP·Filed 1984·Granted Mar 18, 1986·57 cites·19 claims
- 0489US4195530AUltrasonic inspectionREPUBLIC STEEL CORP·Filed 1978·Granted Apr 1, 1980·58 cites·20 claims
- 0589US3995678AInduction stirring in continuous castingREPUBLIC STEEL CORP·Filed 1976·Granted Dec 7, 1976·29 cites·19 claims
- 0688US4042007AContinuous casting of metal using electromagnetic stirringREPUBLIC STEEL CORP·Filed 1975·Granted Aug 16, 1977·31 cites·10 claims
- 0787US4240881AElectroplating current controlREPUBLIC STEEL CORP·Filed 1979·Granted Dec 23, 1980·39 cites·26 claims
- 0886US4437902ABatch-annealed dual-phase steelREPUBLIC STEEL CORP·Filed 1981·Granted Mar 20, 1984·34 cites·11 claims
- 0986US4226645ASteel well casing and method of productionREPUBLIC STEEL CORP·Filed 1979·Granted Oct 7, 1980·34 cites·8 claims
- 1086US4200137AProcess and apparatus for the continuous casting of metal using electromagnetic stirringREPUBLIC STEEL CORP·Filed 1977·Granted Apr 29, 1980·24 cites·14 claims
- 1185US4520861AMethod and apparatus for alloying continuously cast steel productsREPUBLIC STEEL CORP·Filed 1983·Granted Jun 4, 1985·20 cites·6 claims
- 1285US4391674ACoke delivery apparatus and methodREPUBLIC STEEL CORP·Filed 1980·Granted Jul 5, 1983·87 cites·24 claims
- 1380US4534002AMethod and apparatus to optimize cut lengths of materialREPUBLIC STEEL CORP·Filed 1983·Granted Aug 6, 1985·36 cites·37 claims
- 1480US4306631ANoise barrier wall or building panel and mounting assemblyREPUBLIC STEEL CORP·Filed 1980·Granted Dec 22, 1981·41 cites·17 claims
- 1578US4041895ACoating thickness and distribution controlREPUBLIC STEEL CORP·Filed 1975·Granted Aug 16, 1977·41 cites·3 claims
- 1677US4549665AShelf assemblyREPUBLIC STEEL CORP·Filed 1982·Granted Oct 29, 1985·60 cites·38 claims
- 1777US4271013AMethod and apparatus for removing biodegradable compounds from wastewaterREPUBLIC STEEL CORP·Filed 1979·Granted Jun 2, 1981·23 cites·15 claims
- 1876US4367125AApparatus and method for plating metallic stripREPUBLIC STEEL CORP·Filed 1980·Granted Jan 4, 1983·22 cites·13 claims
- 1976US4191922AElectromagnetic flaw detection system and method incorporating improved automatic coil error signal compensationREPUBLIC STEEL CORP·Filed 1978·Granted Mar 4, 1980·29 cites·15 claims
- 2075US4401523AApparatus and method for plating metallic stripREPUBLIC STEEL CORP·Filed 1982·Granted Aug 30, 1983·21 cites·24 claims
- 2175US4123301AMethod for quench hardening steel casingsREPUBLIC STEEL CORP·Filed 1977·Granted Oct 31, 1978·20 cites·9 claims
- 2273US4543528AFlexible probe assembly for use in nondestructive testing of a convex workpiece surfaceREPUBLIC STEEL CORP·Filed 1983·Granted Sep 24, 1985·43 cites·18 claims
- 2373US4307904ALock mechanismREPUBLIC STEEL CORP·Filed 1980·Granted Dec 29, 1981·34 cites·15 claims
- 2472US4294432AMethod and apparatus for cooling BOF hood panelingREPUBLIC STEEL CORP·Filed 1980·Granted Oct 13, 1981·11 cites·11 claims
- 2572US4059455AProduction of fast-setting bonded aggregate structuresREPUBLIC STEEL CORP·Filed 1976·Granted Nov 22, 1977·26 cites·6 claims
- 2672US3966282ABearing chocking assembly for mill rollsREPUBLIC STEEL CORP·Filed 1975·Granted Jun 29, 1976·24 cites·21 claims
- 2771US4461995ACooling method and apparatus for eddy current flaw detectionREPUBLIC STEEL CORP·Filed 1981·Granted Jul 24, 1984·26 cites·22 claims
- 2871US4141761AHigh strength low alloy steel containing columbium and titaniumREPUBLIC STEEL CORP·Filed 1978·Granted Feb 27, 1979·19 cites·18 claims
- 2970US4355281AEddy current surface flaw detection employing signal correlationREPUBLIC STEEL CORP·Filed 1979·Granted Oct 19, 1982·27 cites·6 claims
- 3069US4123708AMethod and apparatus for eddy current inspection of hot test pieces with means to cool the detector and to purge the test path of contaminantsREPUBLIC STEEL CORP·Filed 1976·Granted Oct 31, 1978·18 cites·16 claims
- 3169US4024470AEddy current detector for hot test pieces having coolant fluid and purge featuresREPUBLIC STEEL CORP·Filed 1974·Granted May 17, 1977·16 cites·7 claims
- 3269US3933480AMethod of making stainless steel having improved machinabilityREPUBLIC STEEL CORP·Filed 1974·Granted Jan 20, 1976·21 cites·10 claims
- 3368US4507949AApparatus for cooling a hot-rolled productREPUBLIC STEEL CORP·Filed 1982·Granted Apr 2, 1985·17 cites·15 claims
- 3468US4346129AMethod and apparatus for thickness control of a coatingREPUBLIC STEEL CORP·Filed 1981·Granted Aug 24, 1982·26 cites·13 claims
- 3568US4101832AMultiprobe eddy current flaw detection device with means to raise and lower the individual probesREPUBLIC STEEL CORP·Filed 1975·Granted Jul 18, 1978·25 cites·1 claims
- 3667US4367865AMethod and apparatus for emptying bottle carsREPUBLIC STEEL CORP·Filed 1981·Granted Jan 11, 1983·10 cites·14 claims
- 3767US4274923AAir pollution control method and apparatus for the extrusion and quenching of cokeREPUBLIC STEEL CORP·Filed 1979·Granted Jun 23, 1981·14 cites·20 claims
- 3867US4063930APreparation of weatherable ferrite agglomerateREPUBLIC STEEL CORP·Filed 1976·Granted Dec 20, 1977·15 cites·20 claims
- 3965US4365198AMethod and apparatus for detecting, classifying and marking defects in workpiece with improved timing controlREPUBLIC STEEL CORP·Filed 1980·Granted Dec 21, 1982·22 cites·3 claims
- 4065US4343980AControl of welding energy flux densityREPUBLIC STEEL CORP·Filed 1980·Granted Aug 10, 1982·19 cites·13 claims
- 4165US4312230AMethod and apparatus for pipe inspectionREPUBLIC STEEL CORP·Filed 1980·Granted Jan 26, 1982·29 cites·29 claims
- 4265US4064452AEddy current defect simulator and methodREPUBLIC STEEL CORP·Filed 1975·Granted Dec 20, 1977·19 cites·24 claims
- 4364US4538669ADistortion measurement in castingREPUBLIC STEEL CORP·Filed 1983·Granted Sep 3, 1985·10 cites·13 claims
- 4464US4235593ABlast stoveREPUBLIC STEEL CORP·Filed 1979·Granted Nov 25, 1980·14 cites·29 claims
- 4562US4348800AProduction of steel products with medium to high contents of carbon and manganese and superior surface qualityREPUBLIC STEEL CORP·Filed 1980·Granted Sep 14, 1982·10 cites·9 claims
- 4662US4042381AControl of inclusion morphology in steelREPUBLIC STEEL CORP·Filed 1976·Granted Aug 16, 1977·8 cites·9 claims
- 4760US4705260AFurnace for heating and melting zincREPUBLIC STEEL CORP·Filed 1984·Granted Nov 10, 1987·12 cites·4 claims
- 4860US4376242AFlash welding apparatus and methodREPUBLIC STEEL CORP·Filed 1980·Granted Mar 8, 1983·17 cites·29 claims
- 4960US3990206ABuilding sheetREPUBLIC STEEL CORP·Filed 1975·Granted Nov 9, 1976·25 cites·8 claims
- 5058US4644272AHot annealed weld inspectionREPUBLIC STEEL CORP·Filed 1984·Granted Feb 17, 1987·20 cites·38 claims
Showing the top 50 of 94 patent records by PatentIndex Score.
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