Paul Marchal

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Patents Grantslast 30 patents

Information Patent Grant
Installations for processing a product in a gas medium
- Patent number 4,484,889
- Issue date Nov 27, 1984
- Air Industrie
- Paul H. Marchal
- F26 - DRYING
Information Patent Grant
Process for the compression of steam and thermal circuits for its i...
- Patent number 4,260,335
- Issue date Apr 7, 1981
- Air Industrie
- Paul H. Marchal
- F26 - DRYING
Information Patent Grant
Installations for the treatment of strip material in a gaseous medium
- Patent number 4,253,246
- Issue date Mar 3, 1981
- Air Industrie
- Paul Marchal
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Installation for treating a product in a gaseous medium
- Patent number 4,204,340
- Issue date May 27, 1980
- Air Industrie
- Guy Doucin
- F26 - DRYING
Information Patent Grant
Apparatus for the continuous thermal treatment of a product moving...
- Patent number 4,122,611
- Issue date Oct 31, 1978
- Air Industrie
- Paul Marchal
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE