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Patents Applications
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Patent Application
PROCESS AND REACTOR FOR CONTINUOUS CHARCOAL PRODUCTION
Publication number
20200291300
Publication date
Sep 17, 2020
VALLOUREC TUBOS DO BRASIL S. A.
Fernando LATORRE
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Patent Application
AUTOMATIC SYSTEM AND METHOD FOR MEASURING AND MACHINING THE END OF...
Publication number
20180264556
Publication date
Sep 20, 2018
VALLOUREC TUBOS DO BRASIL S.A.
Julio Marcio SILVEIRA E SILVA
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Application
MARTENSITIC-FERRITIC STAINLESS STEEL, MANUFACTURED PRODUCT AND PROC...
Publication number
20170029912
Publication date
Feb 2, 2017
VALLOUREC TUBOS DO BRASIL S.A.
Ricardo Nolasco DE CARVALHO
C21 - METALLURGY OF IRON
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Patent Application
PROCESS FOR PRODUCING A MULTILAYER PIPE HAVING A METALLURGICAL BOND...
Publication number
20160273683
Publication date
Sep 22, 2016
VALLOUREC TUBOS DO BRASIL S.A.
Julio Marcio SILVEIRA E SILVA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Patent Application
PROCESS FOR PRODUCING A MULTILAYER PIPE BY EXPANSION AND MULTILAYER...
Publication number
20160207086
Publication date
Jul 21, 2016
VALLOUREC TUBOS DO BRASIL S.A.
Julio Marcio SILVEIRA E SILVA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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