Michael Protzmann

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Wachtersbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for remelting metal in an electric furnace
- Patent number 8,662,142
- Issue date Mar 4, 2014
- Ald Vacuum Technologies GmbH
- Ulrich Biebricher
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process and apparatus for the production of particles from castings...
- Patent number 5,826,322
- Issue date Oct 27, 1998
- ALD Vacuum Technologies GmbH
- Franz Hugo
- C30 - CRYSTAL GROWTH
Information Patent Grant
Apparatus for switching a high-current power source
- Patent number 5,281,781
- Issue date Jan 25, 1994
- Leybold Durferrit GmbH
- Karl Herchenrother
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method and Device for Remelting Metal in an Electric Furnace
- Publication number 20120132385
- Publication date May 31, 2012
- Ulrich Biebricher
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...