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Patents Grants
last 30 patents
Information
Patent Grant
Method for recovering useful metals from dust discharged from metal...
Patent number
4,396,424
Issue date
Aug 2, 1983
Nippon Kokan Kabushiki Kaisha
Kazuharu Yatsunami
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for preheating steel scrap by exhaust gas from steelmaking e...
Patent number
4,375,958
Issue date
Mar 8, 1983
Nippon Kokan Kabushiki Kaisha
Takasaburo Date
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Apparatus for preheating a steel scrap
Patent number
4,373,911
Issue date
Feb 15, 1983
Nippon Kokan Kabushiki Kaisha
Takasaburo Date
C21 - METALLURGY OF IRON
Information
Patent Grant
Graphite refractory article having dense structure with low porosity
Patent number
4,282,288
Issue date
Aug 4, 1981
Shinagawa Shirorenga Kabushiki Kaisha
Shigeo Yoshino
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Steel shape stacking apparatus
Patent number
4,184,800
Issue date
Jan 22, 1980
Toshin Seiko Kabushiki Kaisha
Tsutomu Uchida
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Steelmaking process
Patent number
4,168,968
Issue date
Sep 25, 1979
Toshin Seiko Kabushiki Kaisha
Isao Udo
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel shape stacking apparatus
Patent number
4,109,801
Issue date
Aug 29, 1978
Toshin Seiko Kabushiki Kaisha
Tsutomu Uchida
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Patents Applications
last 30 patents
Trademark
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