Frank Schonborn

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Mainweg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Dry compressing vacuum pump having a gas ballast device
- Patent number 6,776,588
- Issue date Aug 17, 2004
- Leybold Vakuum GmbH
- Lutz Arndt
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Method for controlling the drive motor of a positive displacement v...
- Publication number 20070071610
- Publication date Mar 29, 2007
- Michael Holzemer
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Oscillation piston pump
- Publication number 20040028532
- Publication date Feb 12, 2004
- Christian Beyer
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...