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Method for making profile with micro-hole
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Patent number 12,053,814
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Issue date Aug 6, 2024
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Shandong University
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Cunsheng Zhang
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Electromagnetic extrusion
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Patent number 11,951,519
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Issue date Apr 9, 2024
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Magna International Inc.
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Jeremiah John Brady
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Shear assisted extrusion process
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Patent number 11,517,952
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Issue date Dec 6, 2022
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Battelle Memorial Institute
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Vineet V. Joshi
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Functionally graded coatings and claddings
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Patent number 10,695,811
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Issue date Jun 30, 2020
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Battelle Memorial Institute
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Vineet V. Joshi
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Dummy block for extrusion press
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Patent number 9,839,950
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Issue date Dec 12, 2017
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EXCO TECHNOLOGIES LIMITED
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Paul Henry Robbins
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3791183
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Patent number 3,791,183
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Issue date Feb 12, 1974
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3286502
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Patent number 3,286,502
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Issue date Nov 22, 1966
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3098807
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Patent number 3,098,807
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Issue date Jul 23, 1963
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3061093
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Patent number 3,061,093
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Issue date Oct 30, 1962
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...