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Switch device
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Patent number 11,473,247
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Issue date Oct 18, 2022
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VOESTALPINE BWG GMBH
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Thomas Bergk
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Steering knuckle
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Patent number 11,254,358
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Issue date Feb 22, 2022
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HUBEI TRI-RING FORGING CO., LTD.
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Yunjun Zhang
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Hot forged tie plate for railroad
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Patent number 10,697,129
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Issue date Jun 30, 2020
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YANGTZE RAILROAD MATERIALS
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Patrick Young
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Forged wheel trimming die
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Patent number 10,569,322
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Issue date Feb 25, 2020
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CITIC Dicastal CO., LTD.
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Rui Li
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Hot forged tie plate for railroad
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Patent number 10,273,636
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Issue date Apr 30, 2019
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YANGTZE RAILROAD MATERIALS
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Patrick Young
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Springback amount evaluation method
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Patent number 10,169,496
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Issue date Jan 1, 2019
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JFE Steel Corporation
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Hirotaka Kano
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Control arm
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Patent number 9,944,141
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Issue date Apr 17, 2018
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Raufoss Technology AS
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Frode Paulsen
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B60 - VEHICLES IN GENERAL
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Force transmission device
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Patent number 9,568,060
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Issue date Feb 14, 2017
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Meritor Heavy Vehicle Braking Systems (UK) Limited
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Refaat Malki
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Forming tool with punch
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Patent number 9,375,780
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Issue date Jun 28, 2016
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Benteler Automobiltechnik GmbH
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Günter Fortmeier
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Method of making railway car brake-rod jaw
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Patent number 4,274,277
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Issue date Jun 23, 1981
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Schaefer Equipment Inc.
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Roland E. Cale
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3766770
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Patent number 3,766,770
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Issue date Oct 23, 1973
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3735626
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Patent number 3,735,626
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Issue date May 29, 1973
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...