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Air intake system with an air filter
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Patent number 6,705,272
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Issue date Mar 16, 2004
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Filterwerk Mann & Hummel GmbH
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Rudolf Leipelt
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F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
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Enclosure for an air aspirating machine
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Patent number 6,503,303
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Issue date Jan 7, 2003
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Filterwerk Mann & Hummel GmbH
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Rolf Fuesser
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Silencer with a shunt resonator
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Patent number 6,341,663
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Issue date Jan 29, 2002
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Filterwerk Mann & Hummel GmbH
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Matthias Alex
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Airflow device
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Patent number 6,148,782
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Issue date Nov 21, 2000
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Filterwerk Mann & Hummel GmbH
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Rolf Fuesser
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Intake manifold and process for making it
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Patent number 5,560,330
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Issue date Oct 1, 1996
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Filterwerk Mann & Hummel GmbH
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Heinz Andress
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL