with chain feed

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Industry

CPC
D21B1/20

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Parent Industries

DTEXTILES PAPER D21Papermaking D21BFIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT D21B1/00Fibrous raw materials or their mechanical treatment

Current Industry

D21B1/20with chain feed

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Patents Grantslast 30 patents

Information Patent Grant
Arrangement for treating pulpstone surface
- Patent number 7,169,021
- Issue date Jan 30, 2007
- Metso Paper Inc.
- Olli Tuovinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus for distribution of logs into grinder supply shafts
- Patent number 4,895,241
- Issue date Jan 23, 1990
- Kone Oy
- Seppo Silenius
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Apparatus for the production of mechanical wood pulp
- Patent number 4,405,091
- Issue date Sep 20, 1983
- J. M. Voith GmbH
- Theodor Bahr
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus and process for producing wood pulp in a pressurized wood...
- Patent number 4,257,563
- Issue date Mar 24, 1981
- J. M. Voith GmbH
- Hans Henrich
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
Arrangement for treating pulpstone surface
- Publication number 20050116072
- Publication date Jun 2, 2005
- Olli Tuovinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE