Helmut Riemer

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Sao Paulo, BR

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Patents Grantslast 30 patents

Information Patent Grant
Packing for a material and heat exchange column
- Patent number 5,514,304
- Issue date May 7, 1996
- Helmut Riemer
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Packing for a material and heat exchange column
- Patent number 5,130,062
- Issue date Jul 14, 1992
- Sulzer Brothers Limited
- Helmut Riemer
- F28 - HEAT EXCHANGE IN GENERAL