Erik Saiha

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Tampere, FI

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Patents Grantslast 30 patents

Information Patent Grant
Process for the recovery of heat and chemicals from spent liquor
- Patent number 5,112,441
- Issue date May 12, 1992
- Oy Tampella AB
- Tuomo Ruohola
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for regulating the feed or combustion conditions of concentr...
- Patent number 5,062,921
- Issue date Nov 5, 1991
- Oy Tampella AB
- Paavo Hyoty
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for regulating, the feeding-in or combustion conditions of c...
- Patent number 4,891,097
- Issue date Jan 2, 1990
- Oy Tampella AB
- Paavo Hyoty
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE