Membership
Tour
Register
Log in
in apparatus with a vertical axis
Follow
Industry
CPC
D21D5/22
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
D
TEXTILES PAPER
D21
Papermaking
D21D
TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
D21D5/00
Purification of the pulp suspension by mechanical means Apparatus therefor
Current Industry
D21D5/22
in apparatus with a vertical axis
Industries
Overview
Organizations
People
Information
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
Variable pressure screening
Patent number
6,348,130
Issue date
Feb 19, 2002
Thermo Black Clawson Inc.
John J. Egan
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Screen/vortex apparatus for cleaning recycled pulp related process
Patent number
5,707,488
Issue date
Jan 13, 1998
International Paper Company
Larry D. Markham
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Screen, vortex apparatus for cleaning recycled pulp and related pro...
Patent number
5,580,446
Issue date
Dec 3, 1996
International Paper Company
Larry D. Markham
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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
Spray fractionation of particles in liquid suspension
Patent number
5,219,076
Issue date
Jun 15, 1993
Wisconsin Alumni Research Foundation
Edwin J. Crosby
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Device for selectively separating particles in a liquid, in particu...
Patent number
5,131,544
Issue date
Jul 21, 1992
E. et M. Lamort
Alain Serres
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Spray fractionation disks and method of using the same
Patent number
5,104,522
Issue date
Apr 14, 1992
Wisconsin Alumni Research Foundation
Edwin J. Crosby
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and an apparatus for treating fibre suspensions
Patent number
4,594,152
Issue date
Jun 10, 1986
Kamyr AB
Johan Gullichsen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Cyclone classifier
Patent number
4,477,339
Issue date
Oct 16, 1984
John P. Whaley
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Method and apparatus for spray fractionation of particles in liquid...
Patent number
4,427,541
Issue date
Jan 24, 1984
Wisconsin Alumni Research Foundation
Edwin J. Crosby
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Centrifugal separator
Patent number
4,265,740
Issue date
May 5, 1981
Ingersoll-Rand Company
Oscar Luthi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Apparatus for sorting fibrous stock suspensions
Patent number
4,252,640
Issue date
Feb 24, 1981
J. M. Voith GmbH
Walter Musselmann
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Hydrocyclone
Patent number
4,094,794
Issue date
Jun 13, 1978
Escher Wyss GmbH
Albrecht Kahmann
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
3760948
Patent number
3,760,948
Issue date
Sep 25, 1973
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
46030
Patent number
46,030
Issue date
Jan 24, 1865
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents