Assignee
ALGOMA STEEL CORP LTD
11 granted patents·186 citations·filing 1974–1991
Top patents by PatentIndex Score
11 records- 0193US4486248AMethod for the production of improved railway rails by accelerated cooling in line with the production rolling millALGOMA STEEL CORP LTD·Filed 1982·Granted Dec 4, 1984·68 cites·29 claims
- 0284US4895605AMethod for the manufacture of hardened railroad railsALGOMA STEEL CORP LTD·Filed 1988·Granted Jan 23, 1990·27 cites·22 claims
- 0378US4611789AApparatus for the production of improved railway rails by accelerated cooling in line with the production rolling millALGOMA STEEL CORP LTD·Filed 1984·Granted Sep 16, 1986·22 cites·14 claims
- 0470US3997375ASteel hardening methodALGOMA STEEL CORP LTD·Filed 1974·Granted Dec 14, 1976·17 cites·4 claims
- 0563US5186769ASeamless steel tube manufactureALGOMA STEEL CORP LTD·Filed 1991·Granted Feb 16, 1993·14 cites·11 claims
- 0663US4803037APipe quenching apparatusALGOMA STEEL CORP LTD·Filed 1987·Granted Feb 7, 1989·16 cites·10 claims
- 0749US5000798AMethod for shape control of rail during accelerated coolingALGOMA STEEL CORP LTD·Filed 1989·Granted Mar 19, 1991·7 cites·12 claims
- 0846US3955967ATreatment of steelALGOMA STEEL CORP LTD·Filed 1974·Granted May 11, 1976·4 cites·11 claims
- 0940US4279408AApparatus for changing tuyeres on a blast furnaceALGOMA STEEL CORP LTD·Filed 1979·Granted Jul 21, 1981·3 cites·9 claims
- 1037US5226978ASteel tube alloyALGOMA STEEL CORP LTD·Filed 1991·Granted Jul 13, 1993·4 cites·12 claims
- 1135US4130924ARemoval and/or installation of top section of steelmaking vesselALGOMA STEEL CORP LTD·Filed 1977·Granted Dec 26, 1978·4 cites·3 claims
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