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Screw pump
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Patent number 10,975,864
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Issue date Apr 13, 2021
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LEISTRITZ PUMPEN GMBH
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Oliver Trossmann
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Single screw compressor structure
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Patent number 8,337,184
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Issue date Dec 25, 2012
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Daikin Industries, Ltd.
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Mohammod Anwar Hossain
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Compact eccentric screw pump
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Patent number 7,465,157
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Issue date Dec 16, 2008
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Netzsch Mohnopumpen GmbH
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Helmuth Weber
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Shaft load balancing system
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Patent number 6,579,076
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Issue date Jun 17, 2003
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Bristol Compressors, Inc.
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John Kenneth Narney
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...