Martin Frauenfeld

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Heidelberg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Matrix for the support of catalytically active compounds, and metho...
- Patent number 4,933,223
- Issue date Jun 12, 1990
- Kraftanlagen AG
- Martin Frauenfeld
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Heat exchanging body
- Patent number 4,651,811
- Issue date Mar 24, 1987
- Kraftanlagen AG
- Martin Frauenfeld
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus for cleaning the heat-exchanging surfaces of the storage...
- Patent number 4,649,987
- Issue date Mar 17, 1987
- SRM Svenska Rotor Maskiner Aktiebolag
- Martin Frauenfeld
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Storage material for heat transfer
- Patent number 4,577,678
- Issue date Mar 25, 1986
- Kraftanlagen AG
- Martin Frauenfeld
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Apparatus and method for cleaning the heat exchanging surfaces of t...
- Patent number 4,141,754
- Issue date Feb 27, 1979
- Svenska Rotor Maskiner Aktiebolag
- Martin Frauenfeld
- F28 - HEAT EXCHANGE IN GENERAL