Dieter Vorberg

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Erftstadt-Lechenich, DE

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Patents Grantslast 30 patents

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 and apparatus for delivering oil to a multi-stage pump
- Patent number 5,066,202
- Issue date Nov 19, 1991
- Leybold Aktiengesellschaft
- Hanns-Peter Berges
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Vacuum pump and trap combination
- Patent number 4,612,957
- Issue date Sep 23, 1986
- Leybold-Heraeus GmbH
- Lutz Arndt
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...