Assignee
BETHLEHEM STEEL CORP
380 granted patents·7,444 citations·filing 1973–2002
Top patents by PatentIndex Score
380 records- 0195US5169591AImpact pad for a continuous caster tundishBETHLEHEM STEEL CORP·Filed 1992·Granted Dec 8, 1992·89 cites·22 claims
- 0295US4263099AWet quenching of incandescent cokeBETHLEHEM STEEL CORP·Filed 1979·Granted Apr 21, 1981·113 cites·7 claims
- 0395US4141796ACoke oven emission control method and apparatusBETHLEHEM STEEL CORP·Filed 1977·Granted Feb 27, 1979·110 cites·11 claims
- 0494US4746102ADrain hole design for ladleBETHLEHEM STEEL CORP·Filed 1987·Granted May 24, 1988·48 cites·2 claims
- 0594US4401727AFerrous product having an alloy coating thereon of Al-Zn-Mg-Si Alloy, and methodBETHLEHEM STEEL CORP·Filed 1982·Granted Aug 30, 1983·91 cites·18 claims
- 0694US4396461AOne-spot car coke quenching processBETHLEHEM STEEL CORP·Filed 1981·Granted Aug 2, 1983·106 cites·6 claims
- 0793US4699202ASystem and method for controlling secondary spray cooling in continuous castingBETHLEHEM STEEL CORP·Filed 1986·Granted Oct 13, 1987·40 cites·11 claims
- 0892US4085199AMethod for removing hydrogen sulfide from sulfur-bearing industrial gases with claus-type reactorsBETHLEHEM STEEL CORP·Filed 1976·Granted Apr 18, 1978·71 cites·15 claims
- 0991US4211608ACoke pushing emission control systemBETHLEHEM STEEL CORP·Filed 1978·Granted Jul 8, 1980·99 cites·99 claims
- 1091US4197695AMethod of making sealed wire ropeBETHLEHEM STEEL CORP·Filed 1977·Granted Apr 15, 1980·97 cites·6 claims
- 1191US4192551ARemote control system for mining machinesBETHLEHEM STEEL CORP·Filed 1978·Granted Mar 11, 1980·68 cites·27 claims
- 1290US4495587AAutomatic nondestructive roll defect inspection systemBETHLEHEM STEEL CORP·Filed 1981·Granted Jan 22, 1985·165 cites·6 claims
- 1390US4229504APolyolefin composition having high impact resistance and high temperature flow resistanceBETHLEHEM STEEL CORP·Filed 1978·Granted Oct 21, 1980·57 cites·21 claims
- 1490US4123894ASealed wire ropeBETHLEHEM STEEL CORP·Filed 1977·Granted Nov 7, 1978·41 cites·10 claims
- 1589US5031688AMethod and apparatus for controlling the thickness of metal strip cast in a twin roll continuous casting machineBETHLEHEM STEEL CORP·Filed 1989·Granted Jul 16, 1991·47 cites·12 claims
- 1689US4465597ATreatment of industrial wastewatersBETHLEHEM STEEL CORP·Filed 1981·Granted Aug 14, 1984·78 cites·11 claims
- 1789US4435093APyrometer with sighting window cleanliness monitorBETHLEHEM STEEL CORP·Filed 1981·Granted Mar 6, 1984·56 cites·9 claims
- 1889US4289584ACoke quenching practice for one-spot carsBETHLEHEM STEEL CORP·Filed 1979·Granted Sep 15, 1981·96 cites·12 claims
- 1988US6428851B1Method for continuous thermal deposition of a coating on a substrateBETHLEHEM STEEL CORP·Filed 2000·Granted Aug 6, 2002·51 cites·49 claims
- 2088US5552235AEmbossed cold rolled steel with improved corrosion resistance, paintability, and appearanceBETHLEHEM STEEL CORP·Filed 1995·Granted Sep 3, 1996·26 cites·17 claims
- 2188US5259697AComposition and process for forming low permeability barriers for waste disposal sitesBETHLEHEM STEEL CORP·Filed 1990·Granted Nov 9, 1993·45 cites·21 claims
- 2288US4344822AOne-spot car coke quenching methodBETHLEHEM STEEL CORP·Filed 1979·Granted Aug 17, 1982·81 cites·5 claims
- 2388US4282277AOriented, semi-crystalline polymer product and method and apparatus for producing such productBETHLEHEM STEEL CORP·Filed 1979·Granted Aug 4, 1981·44 cites·65 claims
- 2488US4249997ALow differential coke oven heating systemBETHLEHEM STEEL CORP·Filed 1978·Granted Feb 10, 1981·98 cites·3 claims
- 2588US4141071AAutomatic diametric dimension control for mill for rolling round barsBETHLEHEM STEEL CORP·Filed 1977·Granted Feb 20, 1979·33 cites·13 claims
- 2688US4002466AMethod of reducing oresBETHLEHEM STEEL CORP·Filed 1975·Granted Jan 11, 1977·35 cites·5 claims
- 2787US4235276AMethod and apparatus for controlling caster heat removal by varying casting speedBETHLEHEM STEEL CORP·Filed 1979·Granted Nov 25, 1980·26 cites·24 claims
- 2887US4149446ALoad indicator washerBETHLEHEM STEEL CORP·Filed 1977·Granted Apr 17, 1979·63 cites·4 claims
- 2987US4136965AMixer block for use in rotary drumsBETHLEHEM STEEL CORP·Filed 1978·Granted Jan 30, 1979·32 cites·37 claims
- 3086US6408667B1Four-high mill stand roll change device, a method of retrofit, and a roll change device therefromBETHLEHEM STEEL CORP·Filed 2000·Granted Jun 25, 2002·37 cites·19 claims
- 3186US4715586AContinuous caster tundish having wall damsBETHLEHEM STEEL CORP·Filed 1987·Granted Dec 29, 1987·28 cites·2 claims
- 3286US4463437AFurnace burden thermographic method and apparatusBETHLEHEM STEEL CORP·Filed 1983·Granted Jul 31, 1984·57 cites·16 claims
- 3386US4398970ATitanium and vanadium dual-phase steel and method of manufactureBETHLEHEM STEEL CORP·Filed 1981·Granted Aug 16, 1983·37 cites·6 claims
- 3486US4361097ARailway gondola carsBETHLEHEM STEEL CORP·Filed 1977·Granted Nov 30, 1982·43 cites·9 claims
- 3586US4004702ACoke oven larry car coal restricting insertBETHLEHEM STEEL CORP·Filed 1975·Granted Jan 25, 1977·98 cites·6 claims
- 3686US3952120AAluminum-zinc coated low-alloy ferrous product and methodBETHLEHEM STEEL CORP·Filed 1974·Granted Apr 20, 1976·31 cites·5 claims
- 3785USRE35685EImpact pad for a continuous caster tundishBETHLEHEM STEEL CORP·Filed 1994·Granted Dec 9, 1997·20 cites·24 claims
- 3885US4171233ALens quality of die steelBETHLEHEM STEEL CORP·Filed 1978·Granted Oct 16, 1979·30 cites·7 claims
- 3984US5649889AStress alleviating guide roll for high temperature applicationsBETHLEHEM STEEL CORP·Filed 1994·Granted Jul 22, 1997·43 cites·7 claims
- 4084US4976150AUltrasonic transducersBETHLEHEM STEEL CORP·Filed 1989·Granted Dec 11, 1990·73 cites·9 claims
- 4184US4039349AMethod and apparatus for multi-stage rinsingBETHLEHEM STEEL CORP·Filed 1976·Granted Aug 2, 1977·42 cites·5 claims
- 4284US3994676AMethod and apparatus for protecting basic refractory shapes in a basic oxygen furnaceBETHLEHEM STEEL CORP·Filed 1975·Granted Nov 30, 1976·22 cites·8 claims
- 4383US6387175B1Roadway base intermediate, roadway base, and methods of manufactureBETHLEHEM STEEL CORP·Filed 2000·Granted May 14, 2002·36 cites·29 claims
- 4483US4913591AMobile marine platform and method of installationBETHLEHEM STEEL CORP·Filed 1988·Granted Apr 3, 1990·32 cites·37 claims
- 4583US4376489AContainer for hazardous materialBETHLEHEM STEEL CORP·Filed 1981·Granted Mar 15, 1983·65 cites·7 claims
- 4683US4017237AInjection mold with ultra sonic gating meansBETHLEHEM STEEL CORP·Filed 1975·Granted Apr 12, 1977·37 cites·3 claims
- 4782US6505492B2Method and apparatus for forming deep-drawn articlesBETHLEHEM STEEL CORP·Filed 2001·Granted Jan 14, 2003·36 cites·27 claims
- 4882USRE37922EMethod and apparatus to determine and control the carbon content of steel in a BOF vesselBETHLEHEM STEEL CORP·Filed 1999·Granted Dec 10, 2002·38 cites·65 claims
- 4982US4395161ATransition plate for a mine roof trussBETHLEHEM STEEL CORP·Filed 1981·Granted Jul 26, 1983·35 cites·7 claims
- 5082US4007016AContinuous-flow reactor for high viscosity materialsBETHLEHEM STEEL CORP·Filed 1975·Granted Feb 8, 1977·53 cites·4 claims
Showing the top 50 of 380 patent records by PatentIndex Score.
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