Michael Hirth

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Mellingen, CH

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Patents Grantslast 30 patents

Information Patent Grant
Process for separating vaporous heavy metal compounds from a carrie...
- Patent number 5,380,500
- Issue date Jan 10, 1995
- ABB Gadelius KK
- Michael Hirth
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for separating vaporous heavy metal compounds from a carrie...
- Patent number 5,298,227
- Issue date Mar 29, 1994
- ASEA Brown Boveri Ltd.
- Michael Hirth
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Manipulation of the exit gas flow in a melting furnace
- Patent number 5,173,919
- Issue date Dec 22, 1992
- ASEA Brown Boveri Ltd.
- Erwin Schmidl
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Ozone generator
- Patent number 4,986,968
- Issue date Jan 22, 1991
- Asea Brown Boveri Limited
- Michael Hirth
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Scraper
- Patent number 4,986,347
- Issue date Jan 22, 1991
- ASEA Brown Boveri Ltd.
- Michael Hirth
- B08 - CLEANING