Ralf Sieberth

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Appleton, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Coating system for running webs of paper or cardboard
- Patent number 5,578,125
- Issue date Nov 26, 1996
- Voith Sulzer Papiermaschinen GmbH
- Ralf Sieberth
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Coating device having an application slot formed between an applica...
- Patent number 5,454,870
- Issue date Oct 3, 1995
- J. M. Voith GmbH
- Ralf Sieberth
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Mounting apparatus for doctor blades
- Patent number 5,417,762
- Issue date May 23, 1995
- Voith Sulzer Papiermaschinen GmbH
- Ralf Sieberth
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Doctoring apparatus with flexible blade mounting
- Patent number 5,284,516
- Issue date Feb 8, 1994
- J. M. Voith GmbH
- Ralf Sieberth
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Applicator mechanism for coating running webs
- Patent number 4,856,454
- Issue date Aug 15, 1989
- J. M. Voith GmbH
- Ralf Sieberth
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Air guide box for stabilizing the run of a web, for instance a pape...
- Patent number 4,821,429
- Issue date Apr 18, 1989
- J. M. Voith, GmbH
- Ralf Sieberth
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
Method for the fabrication of a fiber web
- Publication number 20050121157
- Publication date Jun 9, 2005
- Klaus Doelle
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE