American Defibrator, Inc.

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Minneapolis, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for producing fiber pulp in a steam pressurize...
- Patent number 4,235,665
- Issue date Nov 25, 1980
- American Defibrator, Inc.
- Rolf Reinhall
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Screw conveyor having stopper bar means
- Patent number 4,074,803
- Issue date Feb 21, 1978
- American Defibrator, Inc.
- Ture Eric Kollberg
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Static discharge device and method for fiber discharge from a press...
- Patent number 4,039,373
- Issue date Aug 2, 1977
- American Defibrator, Inc.
- Johan L. Michelsen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

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