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Liquid pump
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Patent number 12,110,905
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Issue date Oct 8, 2024
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JOHNSON ELECTRIC INTERNATIONAL AG
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Ruifeng Qin
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Fluid pump
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Patent number 11,764,646
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Issue date Sep 19, 2023
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JOHNSON ELECTRIC INTERNATIONAL AG
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Xiaoming Wang
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Brush assembly
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Patent number 9,991,658
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Issue date Jun 5, 2018
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Johnson Electric S.A.
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Rui Feng Qin
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Electric motor
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Patent number 8,288,914
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Issue date Oct 16, 2012
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Johnson Electric S.A.
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Rui Feng Qin
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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