Karl-Heinz Bernhardt

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Braunfels, DE

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Patents Grantslast 30 patents

Information Patent Grant
Gas ballast system for a multi-stage positive displacement pump
- Patent number 6,071,085
- Issue date Jun 6, 2000
- Pfeiffer Vacuum GmbH
- Karl-Heinz Bernhardt
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Magnetic bearings for a high speed rotary vacuum pump
- Patent number 5,166,566
- Issue date Nov 24, 1992
- Arthur Pfeiffer Vakuumtechnik GmbH
- Helmut Bernhardt
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Apparatus for heating and drying articles
- Patent number 4,424,633
- Issue date Jan 10, 1984
- Arthur Pfeiffer Vakuumtechnik Wetzlar GmbH
- Karl-Heinz Bernhardt
- F26 - DRYING
Information Patent Grant
Vacuum condensation apparatus
- Patent number 4,423,766
- Issue date Jan 3, 1984
- Arthur Pfeiffer Vakuumtechnik Wetzlar GmbH
- Karl-Heinz Bernhardt
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL