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Current limiting secondary contact
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Patent number 11,897,059
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Issue date Feb 13, 2024
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Illinois Tool Works Inc.
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Mark Richard Christopher
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Consumable electrode type d.c. arc welder
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Patent number 5,272,314
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Issue date Dec 21, 1993
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Sansha Electric Manufacturing Co., Ltd.
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Haruo Moriguchi
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Voltage control system
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Patent number 4,650,957
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Issue date Mar 17, 1987
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Cyclomatic Industries, Inc.
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Richard Cullen
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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MIG starting system
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Patent number 3,968,340
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Issue date Jul 6, 1976
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Union Carbide Corporation
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Robert Charles Fernicola
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3529124
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Patent number 3,529,124
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Issue date Sep 15, 1970
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3511966
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Patent number 3,511,966
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Issue date May 12, 1970
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR