Johann Lileg

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Patents Grantslast 30 patents

Information Patent Grant
Grinding element for drum refiner
- Patent number 5,228,629
- Issue date Jul 20, 1993
- Emmerich Bernhard
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Segment for drum refiners and structure provided therewith
- Patent number 5,148,994
- Issue date Sep 22, 1992
- Maschinenfabrik Andritz Actiengesellschaft
- Franz Haider
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus for crushing or grinding of fibrous material, in particul...
- Patent number 5,127,591
- Issue date Jul 7, 1992
- Maschinefabrik Andritz Actiengesellschaft
- Emmerich Bernhard
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Crushing or grinding element for drum refiners
- Patent number 5,048,768
- Issue date Sep 17, 1991
- Maschinenfabrik Andritz Aktiengesellschaft
- Emmerich Bernhard
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus for crushing or grinding of fibrous material, in particul...
- Patent number 4,936,518
- Issue date Jun 26, 1990
- Maschinenfabrik Andritz Aktiengesellschaft
- Emmerich Bernhard
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE