Josua Roffler

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Winterthur, CH

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Patents Grantslast 30 patents

Information Patent Grant
Spacer grid for parallel cylindrical tubes
- Patent number 4,160,477
- Issue date Jul 10, 1979
- Sulzer Brothers, Ltd.
- Josua Roffler
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Vessel for conveying a liquid/gas mixture
- Patent number 4,016,997
- Issue date Apr 12, 1977
- Sulzer Brothers Limited
- Josua Roffler
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS