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Dual-shaft vacuum pump
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Patent number 7,559,752
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Issue date Jul 14, 2009
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Oerlikon Leybold Vacuum GmbH
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Rudolf Bahnen
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Magnetic bearing
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Patent number 6,914,361
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Issue date Jul 5, 2005
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Leybold Vakuum GmbH
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Christian Beyer
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Vacuum pump
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Patent number 6,877,963
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Issue date Apr 12, 2005
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Leybold Vakuum GmbH
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Christian Beyer
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Vacuum conduit
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Patent number 6,867,521
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Issue date Mar 15, 2005
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Leybold Vakuum GmbH
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Christian Beyer
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Magnetic bearing with damping
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Patent number 6,833,643
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Issue date Dec 21, 2004
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Leybold Vakuum GmbH
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Christian Beyer
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Rotary piston drive mechanism
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Patent number 6,736,614
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Issue date May 18, 2004
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Leybold Vakuum GmbH
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Rudolf Bahnen
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Radial turbo-blower
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Patent number 6,682,324
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Issue date Jan 27, 2004
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Leybold Vakuum GmbH
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Josef Hodapp
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Magnetic bearing cell with rotor and stator
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Patent number 5,729,065
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Issue date Mar 17, 1998
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Leybold Aktiengesellschaft
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Johan K. Fremery
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...