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Wei-Ping Wu
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Erkrath, DE
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last 30 patents
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Patent Grant
Method and apparatus for producing high chromium content steels and...
Patent number
6,544,471
Issue date
Apr 8, 2003
SMS Schloemann-Siemag Aktiengesellschaft
Wei-Ping Wu
C21 - METALLURGY OF IRON
Information
Patent Grant
Direct-current arc furnace comprising a centric charging shaft for...
Patent number
6,490,312
Issue date
Dec 3, 2002
SMS Schloemann-Siemag Aktiengesellschaft
Fritz-Peter Pleschiutschnigg
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and device for sealing a tap hole in metallurgical containers
Patent number
6,471,911
Issue date
Oct 29, 2002
SMS Demag Aktiengesellschaft
Fritz-Peter Pleschiutschnigg
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Apparatus for producing steel utilizing an electrical steel making...
Patent number
6,149,858
Issue date
Nov 21, 2000
SMS Schloemann-Siemag AG
Fritz-Peter Pleschiutschnigg
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and apparatus for producing high chromium content steels and...
Patent number
6,068,676
Issue date
May 30, 2000
SMS Schloeman-Siemag Aktiengesellschaft
Wei-Ping Wu
C21 - METALLURGY OF IRON