Assignee
ARMCO STEEL CORP
73 granted patents·1,393 citations·filing 1973–1992
Top patents by PatentIndex Score
73 records- 0194US3960616ARare earth metal treated cold rolled, non-oriented silicon steel and method of making itARMCO STEEL CORP·Filed 1975·Granted Jun 1, 1976·24 cites·15 claims
- 0293US3985093AChain-wire rope anchoring systems and anchoring systems and connectors thereforARMCO STEEL CORP·Filed 1975·Granted Oct 12, 1976·47 cites·15 claims
- 0391US3969109AOxidation and sulfidation resistant austenitic stainless steelARMCO STEEL CORP·Filed 1974·Granted Jul 13, 1976·54 cites·8 claims
- 0490US4089139ASegmented cylindrical reinforced plastic manhole structureARMCO STEEL CORP·Filed 1976·Granted May 16, 1978·103 cites·28 claims
- 0590US4067754ACold rolled, ductile, high strength steel strip and sheet and method thereforARMCO STEEL CORP·Filed 1976·Granted Jan 10, 1978·34 cites·7 claims
- 0686US5372026AApparatus and method for hydroforming sheet metalARMCO STEEL CORP·Filed 1992·Granted Dec 13, 1994·28 cites·13 claims
- 0784US4074608ABlind spacer fastenerARMCO STEEL CORP·Filed 1977·Granted Feb 21, 1978·49 cites·11 claims
- 0882US4102105AInterlocked channel section panels and connectors thereforARMCO STEEL CORP·Filed 1977·Granted Jul 25, 1978·45 cites·26 claims
- 0981US3948786AInsulative coating for electrical steelsARMCO STEEL CORP·Filed 1974·Granted Apr 6, 1976·26 cites·4 claims
- 1080US4061817ALuggage shells and process for the manufacture thereofARMCO STEEL CORP·Filed 1975·Granted Dec 6, 1977·47 cites·5 claims
- 1180US3981410ARigid, collapsible and nestable containerARMCO STEEL CORP·Filed 1975·Granted Sep 21, 1976·59 cites·10 claims
- 1280US3937054AHeavy duty pipe spreaderARMCO STEEL CORP·Filed 1974·Granted Feb 10, 1976·49 cites·14 claims
- 1379US4047981AInternally nitrided ferritic stainless steel strip, sheet and fabricated products and method thereforARMCO STEEL CORP·Filed 1976·Granted Sep 13, 1977·23 cites·16 claims
- 1478US3996073AInsulative coating for electrical steelsARMCO STEEL CORP·Filed 1975·Granted Dec 7, 1976·27 cites·6 claims
- 1578US3936543AMethod of coating carbon steelARMCO STEEL CORP·Filed 1974·Granted Feb 3, 1976·16 cites·11 claims
- 1675US4082868AMethod for continuously contact-coating one side only of a ferrous base metal strip with a molten coating metalARMCO STEEL CORP·Filed 1976·Granted Apr 4, 1978·20 cites·24 claims
- 1775US4027611ASeam forming apparatusARMCO STEEL CORP·Filed 1976·Granted Jun 7, 1977·30 cites·10 claims
- 1875US4023676ALance structure and method for oxygen refining of molten metalARMCO STEEL CORP·Filed 1976·Granted May 17, 1977·29 cites·12 claims
- 1975US4022640AProcess for cold-working and stress-relieving non-heat hardenable ferritic stainless steelsARMCO STEEL CORP·Filed 1975·Granted May 10, 1977·15 cites·4 claims
- 2074US4076182AVariable speed wire spoolerARMCO STEEL CORP·Filed 1977·Granted Feb 28, 1978·27 cites·10 claims
- 2174US4032123AShaft furnace for direct reduction of oresARMCO STEEL CORP·Filed 1976·Granted Jun 28, 1977·25 cites·9 claims
- 2272US4143498AConcealed fastener clip for building panelsARMCO STEEL CORP·Filed 1977·Granted Mar 13, 1979·44 cites·8 claims
- 2372US4036295AMethod and apparatus for connecting flowlines to underwater installationsARMCO STEEL CORP·Filed 1976·Granted Jul 19, 1977·36 cites·14 claims
- 2471US4078103AMethod and apparatus for finishing molten metallic coatingsARMCO STEEL CORP·Filed 1976·Granted Mar 7, 1978·18 cites·12 claims
- 2571US3963531ACold rolled, ductile, high strength steel strip and sheet and method thereforARMCO STEEL CORP·Filed 1975·Granted Jun 15, 1976·13 cites·10 claims
- 2670US4123298APost decarburization anneal for cube-on-edge oriented silicon steelARMCO STEEL CORP·Filed 1977·Granted Oct 31, 1978·18 cites·3 claims
- 2770US4003368AArticle transparent to microwaves and process for making sameARMCO STEEL CORP·Filed 1974·Granted Jan 18, 1977·21 cites·4 claims
- 2868US4040264AControlled buoyancy underwater riser systemARMCO STEEL CORP·Filed 1975·Granted Aug 9, 1977·44 cites·15 claims
- 2967US4114563AApparatus for continuously contact-coating one side only of a ferrous base metal strip with molten coating metalARMCO STEEL CORP·Filed 1977·Granted Sep 19, 1978·15 cites·37 claims
- 3067US4043843AAbrasion resistant, heat hardenable, stainless steelARMCO STEEL CORP·Filed 1976·Granted Aug 23, 1977·14 cites·5 claims
- 3167US4010617AComposite arch structureARMCO STEEL CORP·Filed 1975·Granted Mar 8, 1977·13 cites·23 claims
- 3266US3940266AAustenitic stainless steelARMCO STEEL CORP·Filed 1974·Granted Feb 24, 1976·13 cites·5 claims
- 3364US4011111AHigh strength, deep drawing quality, low carbon steel, article formed therefrom, and method for production thereofARMCO STEEL CORP·Filed 1975·Granted Mar 8, 1977·12 cites·11 claims
- 3463US3947267AProcess for making stainless steelARMCO STEEL CORP·Filed 1974·Granted Mar 30, 1976·14 cites·25 claims
- 3561US4153006AApparatus for finishing molten metallic coatingsARMCO STEEL CORP·Filed 1976·Granted May 8, 1979·13 cites·6 claims
- 3657US4123337AMethod of improving the surface insulation resistance of electrical steels having an insulative coating thereonARMCO STEEL CORP·Filed 1977·Granted Oct 31, 1978·8 cites·13 claims
- 3756US4046601AMethod of nitride-strengthening low carbon steel articlesARMCO STEEL CORP·Filed 1976·Granted Sep 6, 1977·14 cites·14 claims
- 3855US4057185AMethod and means for operating a pair of pinch rollsARMCO STEEL CORP·Filed 1976·Granted Nov 8, 1977·13 cites·10 claims
- 3954US4084019AElectrostatic coating grid and methodARMCO STEEL CORP·Filed 1976·Granted Apr 11, 1978·14 cites·6 claims
- 4054US3940291AInsulative coatings for electrical steelsARMCO STEEL CORP·Filed 1974·Granted Feb 24, 1976·6 cites·12 claims
- 4153US4007750AContinuous sheet pickling apparatusARMCO STEEL CORP·Filed 1975·Granted Feb 15, 1977·9 cites·16 claims
- 4252US4124412AColumbium treated, non-aging, vacuum degassed low carbon steel and method for producing sameARMCO STEEL CORP·Filed 1973·Granted Nov 7, 1978·7 cites·5 claims
- 4352US4074789AMobile rolling support system for scaffolding used in building constructionARMCO STEEL CORP·Filed 1976·Granted Feb 21, 1978·15 cites·17 claims
- 4452US3989474AAustenitic stainless steelARMCO STEEL CORP·Filed 1975·Granted Nov 2, 1976·15 cites·8 claims
- 4551US3996456ARecursive interpolationARMCO STEEL CORP·Filed 1975·Granted Dec 7, 1976·16 cites·49 claims
- 4650US4099967AGalling resistant austenitic stainless steelARMCO STEEL CORP·Filed 1976·Granted Jul 11, 1978·7 cites·2 claims
- 4749US4146412AGalling resistant austenitic stainless steelARMCO STEEL CORP·Filed 1978·Granted Mar 27, 1979·7 cites·5 claims
- 4849US3971679AMethod of annealing oriented silicon steelARMCO STEEL CORP·Filed 1975·Granted Jul 27, 1976·8 cites·13 claims
- 4948US4146209AGate valveARMCO STEEL CORP·Filed 1977·Granted Mar 27, 1979·15 cites·5 claims
- 5047US4122700AProcess for forming sheet metal stockARMCO STEEL CORP·Filed 1977·Granted Oct 31, 1978·11 cites·5 claims
Showing the top 50 of 73 patent records by PatentIndex Score.
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