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Roll line
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Patent number 11,883,867
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Issue date Jan 30, 2024
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Norbert Umlauf
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Meandering control device for rolling line
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Patent number 11,052,441
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Issue date Jul 6, 2021
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Toshiba Mitsubishi-Electric Industrial Systems Corporation
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Yukihiro Yamasaki
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Hot rolling thin strip
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Patent number 7,093,342
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Issue date Aug 22, 2006
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Castrip LLC
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John Albert Ziegelaar
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Extrusion rolling method and apparatus
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Patent number 6,003,354
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Issue date Dec 21, 1999
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Danieli United, A Division of Danieli Corporation
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Vladimir B. Ginzburg
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Thin plate electrochemical cell
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Patent number 5,368,961
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Issue date Nov 29, 1994
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Bolder Battery, Inc.
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Tristan E. Juergens
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2214618
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Patent number 2,214,618
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Issue date Sep 10, 1940
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...