Wolfgang Siewert

Person

Ravensburg, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Cleaner for stock suspensions
- Patent number 5,257,698
- Issue date Nov 2, 1993
- Sulzer-Escher Wyss GmbH
- Alfred Christ
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Arrangement for the flocculation of flocculatable substances in sus...
- Patent number 4,784,764
- Issue date Nov 15, 1988
- Sulzer-Escher Wyss GmbH
- Hans H. Kleinschnittger
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Sorting apparatus for fiber stock, especially for manufacturing paper
- Patent number 4,601,819
- Issue date Jul 22, 1986
- Escher W GmbH
- Maurus Pellhammer
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of and apparatus for separating tacky contaminants from a st...
- Patent number 4,557,826
- Issue date Dec 10, 1985
- Escher Wyss GmbH
- Wolfgang Flucher
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for defiberizing waste paper in a thick stock range
- Patent number 4,538,765
- Issue date Sep 3, 1985
- Escher Wyss GmbH
- Hermann Mayr
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Sieve apparatus containing a rotatable circular sieve
- Patent number 4,306,975
- Issue date Dec 22, 1981
- Escher Wyss GmbH
- Wolfgang Siewert
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus for processing waste paper
- Patent number 4,283,275
- Issue date Aug 11, 1981
- Escher Wyss GmbH
- Wolfgang Heinbockel
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Fiberizer
- Patent number 4,216,918
- Issue date Aug 12, 1980
- Escher Wyss GmbH
- Albrecht Kahmann
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Wolfgang Siewert

Person

Patents Grantslast 30 patents

Cleaner for stock suspensions

Arrangement for the flocculation of flocculatable substances in sus...

Sorting apparatus for fiber stock, especially for manufacturing paper

Method of and apparatus for separating tacky contaminants from a st...

Method for defiberizing waste paper in a thick stock range

Sieve apparatus containing a rotatable circular sieve

Apparatus for processing waste paper

Fiberizer