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Peter Muller
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Cologne, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Multi-chamber installation for treating objects under vacuum, metho...
Patent number
7,156,922
Issue date
Jan 2, 2007
Leybold Vakuum GmbH
Peter Müller
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Oil-sealed vane-type rotary vacuum pump with an oil pump
Patent number
6,149,414
Issue date
Nov 21, 2000
Leybold Vakuum GmbH
Thomas Abelen
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Oil-sealed vane-type rotary vacuum pump with oil feed
Patent number
6,019,585
Issue date
Feb 1, 2000
Leybold Vakuum GmbH
Thomas Abelen
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Two-stage rotary vane vacuum pump
Patent number
5,879,138
Issue date
Mar 9, 1999
Balzers und Leybold Deutschland Holding AG
Lutz Arndt
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Vacuum pump with a gas ballast device
Patent number
5,871,338
Issue date
Feb 16, 1999
Leybold Aktiengesellschaft
Thomas Abelen
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Integrated oil pump rotor and coupling piece for an oil-sealed vacu...
Patent number
5,749,716
Issue date
May 12, 1998
Leybold Aktiengesellschaft
Thomas Abelen
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Vacuum pump with oil separator
Patent number
5,697,771
Issue date
Dec 16, 1997
Leybold Aktiengesellschaft
Lutz Arndt
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Method and apparatus for supplying oil to a vacuum pump
Patent number
5,178,522
Issue date
Jan 12, 1993
Leybold Aktiengesellschaft
Thomas Abelen
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Rotary vane vacuum pump with shaft seal
Patent number
5,156,532
Issue date
Oct 20, 1992
Leybold AG
Lutz Arndt
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Method for assembling a one-piece rotor system and a pump ring for...
Patent number
5,155,908
Issue date
Oct 20, 1992
Leybold Aktiengesellschaft
Lutz Arndt
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Patents Applications
last 30 patents
Information
Patent Application
Multi-chamber installation for treating objects under vacuum, metho...
Publication number
20050000436
Publication date
Jan 6, 2005
Peter Muller
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...