Roland Siegwart

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Schwyz, CH

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum pump with magnetic bearing system and back-up bearings
- Patent number 6,074,165
- Issue date Jun 13, 2000
- Varian, Inc.
- Fausto Casaro
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Magnetic bearing with constant-current source
- Patent number 5,682,071
- Issue date Oct 28, 1997
- Mecos Traxler AG
- Philip Buhler
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...