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Centrifuge for cleaning a liquid
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Patent number 7,959,547
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Issue date Jun 14, 2011
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Hengst GmbH & Co., KG
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Dieter Baumann
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B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
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Centrifuge rotor
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Patent number 7,396,325
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Issue date Jul 8, 2008
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Hengst GmbH & Co. KG
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Uwe Meinig
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B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
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Liquid filter with connection flange
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Patent number 5,922,196
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Issue date Jul 13, 1999
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Ing. Walter Hengst GmbH & Co. KG
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Dieter Baumann
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Coolant filter
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Patent number 5,753,116
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Issue date May 19, 1998
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Ing. Walter Hengst GmbH & Co.
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Dieter Baumann
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Liquid filter
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Patent number 5,538,626
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Issue date Jul 23, 1996
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Ing, Walter Hengst GmbH & Co. KG
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Dieter Baumann
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Detachment lock for a bolt connection
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Patent number 5,176,483
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Issue date Jan 5, 1993
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Inq. Walter Hengst GmbH & Co.
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Dieter Baumann
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Filter for cleaning lubricating oil
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Patent number 4,906,365
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Issue date Mar 6, 1990
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Ing. Walter Hengst GmbH & Co. KG
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Dieter Baumann
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Fuel preheater
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Patent number 4,811,719
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Issue date Mar 14, 1989
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Ing. Walter Hengst GmbH & Co. KG
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Dieter Baumann
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F28 - HEAT EXCHANGE IN GENERAL
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Heat exchanger
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Patent number 4,729,427
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Issue date Mar 8, 1988
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Ing. Walter Hengst GmbH & Co. KG
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Dieter Baumann
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F28 - HEAT EXCHANGE IN GENERAL