Engetra S.A.

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Fribourg, CH

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Patents Grantslast 30 patents

Information Patent Grant
Gas and liquid contact sheet and packing
- Patent number 4,800,047
- Issue date Jan 24, 1989
- Engetra S.A.
- Michel W. J. P. R. Monjoie
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Flue gas injection device in a cooling tower
- Patent number 4,673,421
- Issue date Jun 16, 1987
- Engetra S.A.
- Manfred J. Schwickert
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Method of manufacturing a packing device for an installation puttin...
- Patent number 4,668,321
- Issue date May 26, 1987
- Engetra, S.A.
- Philippe Lefevre
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Process and device for recovery of thermal energy in a steam genera...
- Patent number 4,617,878
- Issue date Oct 21, 1986
- Engetra S.A.
- Andre J. Paquet
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Packing device for an installation putting a liquid and a gas in co...
- Patent number 4,581,183
- Issue date Apr 8, 1986
- Engetra S.A.
- Philippe Lefevre
- F28 - HEAT EXCHANGE IN GENERAL

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