Hans Vowinkel

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Florsheim am Main, DT

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Patents Grantslast 30 patents

Information Patent Grant
Multi-layer radiator of plastic material and process for its manufa...
- Patent number 4,066,122
- Issue date Jan 3, 1978
- Hoechst Aktiengesellschaft
- Erwin Gross
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Device for the transmission of solar energy to a liquid medium
- Patent number 4,066,063
- Issue date Jan 3, 1978
- Hoechst Aktiengesellschaft
- Erwin Gross
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Multi-element type radiator of plastic material
- Patent number 4,030,541
- Issue date Jun 21, 1977
- Hoechst Aktiengesellschaft
- Erwin Gross
- F28 - HEAT EXCHANGE IN GENERAL