Kari Kovasin

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Rauma, FI

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing chemical pulp
- Patent number 11,473,241
- Issue date Oct 18, 2022
- Andritz Oy
- Janne Vehmaa
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for feeding pulp into a blow tank or storage tank
- Patent number 7,387,708
- Issue date Jun 17, 2008
- Sulzer Pumpen AG
- Martti Heikkila
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for feeding pulp into a blow tank or storage tank
- Patent number 6,958,109
- Issue date Oct 25, 2005
- Sulzer Pumpen AG
- Martti Heikkila
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Production of prehydrolyzed pulp
- Patent number 5,589,033
- Issue date Dec 31, 1996
- Sunds Defibrator Pori OY
- Panu Tikka
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF PRODUCING CHEMICAL PULP
- Publication number 20200181838
- Publication date Jun 11, 2020
- ANDRITZ OY
- Janne VEHMAA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Process for feeding pulp into a blow tank or storage tank
- Publication number 20060090869
- Publication date May 4, 2006
- Sulzer Pumpen AG
- Martti Heikkila
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE