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Ablar, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus for connecting a vacuum pump stand with an electronic tube
Patent number
5,797,782
Issue date
Aug 25, 1998
Balzers Pfeiffer GmbH
Armin Blecker
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetic bearing arrangement for a rotor
Patent number
5,777,414
Issue date
Jul 7, 1998
Balzers Pfeiffer GmbH
Armin Conrad
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Vacuum pump system
Patent number
5,733,104
Issue date
Mar 31, 1998
Balzers Pfeiffer GmbH
Armin Conrad
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Molecular vacuum pump with a gas-cooled rotor
Patent number
5,707,213
Issue date
Jan 13, 1998
Balzers Pfeiffer GmbH
Armin Conrad
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Magnetically supported friction pump
Patent number
5,667,363
Issue date
Sep 16, 1997
Balzers-Pfeiffer, GmbH
Helmut Bernhardt
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Arrangement for vacuum-tight sealing of electron tubes
Patent number
5,567,193
Issue date
Oct 22, 1996
Balzers Pfeiffer GmbH
Armin Blecker
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Friction pump with magnetic bearings disposed in the impeller
Patent number
5,547,338
Issue date
Aug 20, 1996
Balzers Pfeiffer GmbH
Armin Conrad
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Venting device for magnetically supported vacuum pumps
Patent number
5,522,694
Issue date
Jun 4, 1996
Balzers Pfeiffer GmbH
Helmut Bernhardt
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74663240 - TURBO-DRAG
Serial number
74663240
Filing date
Apr 19, 1995
Balzers-Pfeiffer GmbH
7 - Machines and machine tools
Information
Trademark
74663237 - UNIDRY
Serial number
74663237
Registration number
2029594
Filing date
Apr 19, 1995
Balzers-Pfeiffer GmbH
7 - Machines and machine tools
Information
Trademark
74663239 - SPLIT-FLOW
Serial number
74663239
Filing date
Apr 19, 1995
Balzers-Pfeiffer GmbH
7 - Machines and machine tools