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SVENSKA TRAFORSKNINGSINSTITUTET, A SWEDISH CORP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of obtaining cellulase deficient strains of white-rot fungi
Patent number
4,935,366
Issue date
Jun 19, 1990
Svenska Traforskningsinstitutet
Karl-Erik Eriksson
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Method of controlling cross profile of properties of paper web
Patent number
4,874,467
Issue date
Oct 17, 1989
Svenska Traforskningsinstitutet
Hakan I. Karlsson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of making paper with high filler content
Patent number
4,824,523
Issue date
Apr 25, 1989
Svenska Traforskningsinstitutet
Lars E. R. Wagberg
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for measuring size distribution
Patent number
4,806,014
Issue date
Feb 21, 1989
Svenska Traforskningsinstitutet
Jens C. Einarson
G01 - MEASURING TESTING
Information
Patent Grant
Process of making cellulose pulp with a sulphite cooking liquor con...
Patent number
4,786,365
Issue date
Nov 22, 1988
Svenska Traforskningsinstitutet
Ants Teder
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Apparatus for producing layers of dry fibres on a forming surface
Patent number
4,775,307
Issue date
Oct 4, 1988
Svenska Traforskningsinstitutet
Stefan M. Hartog
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Device for separately measuring particles in a suspension
Patent number
4,689,988
Issue date
Sep 1, 1987
Svenska Traforskningsinstitutet
Staffan Rydefalk
G01 - MEASURING TESTING
Information
Patent Grant
Method of measuring dry substance in flue gases
Patent number
4,690,634
Issue date
Sep 1, 1987
Svenska Traforskningsinstitutet
Torbjorn Herngren
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Control of a black liquor recovery boiler
Patent number
4,683,841
Issue date
Aug 4, 1987
Svenska Traforskningsinstitutet
Susanne Andersson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Web tension measuring method and device
Patent number
4,655,093
Issue date
Apr 7, 1987
Svenska Traforskningsinstitutet
Valter E. Strom
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method for producing layers of dry fibres on a forming surface
Patent number
4,624,819
Issue date
Nov 25, 1986
Svenska Traforskningsinstitutet
Stefan M. Hartog
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Method for determining the average radius and/or the average length...
Patent number
4,529,309
Issue date
Jul 16, 1985
Svenska Traforskningsinstitutet
Jan G. T. Pettersson
G01 - MEASURING TESTING
Information
Patent Grant
Method of measuring fines in pulp suspensions
Patent number
4,514,257
Issue date
Apr 30, 1985
Svenska Traforskningsinstitutet
Hakan I. Karlsson
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for applying liquid to a moving surface
Patent number
4,448,818
Issue date
May 15, 1984
Svenska Traforskningsinstitutet
Stefan Hartog
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Dust measurement
Patent number
4,420,256
Issue date
Dec 13, 1983
Svenska Traforskningsinstitutet
Gerdt Fladda
G01 - MEASURING TESTING
Information
Patent Grant
Use of polyalkylene oxides for the separation of cellulose fibres
Patent number
4,362,600
Issue date
Dec 7, 1982
AB Casco
Tom S. C. Lindstrom
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method at screening apparatus for cleaning the apertures in a scree...
Patent number
4,346,007
Issue date
Aug 24, 1982
Svenska Traforskningsinstitutet
Bo Norman
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method and apparatus for indicating the size distribution of partic...
Patent number
4,318,180
Issue date
Mar 2, 1982
Svenska Traforskningsinstitutet
Inge J. Lundqvist
G01 - MEASURING TESTING
Information
Patent Grant
Method of producing synthetic resin from waste products
Patent number
4,289,663
Issue date
Sep 15, 1981
Svenska Traforskningsinstitutet
Ingvar K. G. Johansson
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of hot-air drying
Patent number
4,255,870
Issue date
Mar 17, 1981
Svenska Traforskningsinstitutet
Lars Malmquist
F26 - DRYING
Information
Patent Grant
Method and an apparatus for cross-cutting trees
Patent number
4,250,935
Issue date
Feb 17, 1981
Svenska Traforskningsinstitutet
Anders T. Helgesson
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Method and apparatus for measuring the ratio between web tension an...
Patent number
4,235,102
Issue date
Nov 25, 1980
Svenska Traforskningsinstitutet
Hakan I. Karlsson
G01 - MEASURING TESTING
Information
Patent Grant
Method of joining wood products
Patent number
4,113,542
Issue date
Sep 12, 1978
Svenska Traforskningsinstitutet
Ingvar Johansson
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Hard board or medium density board, process for production thereof...
Patent number
4,113,555
Issue date
Sep 12, 1978
Svenska Traforskningsinstitutet
Jan O. Nyren
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Method for determination of concentration
Patent number
4,110,044
Issue date
Aug 29, 1978
Svenska Traforskningsinstitutet
Torulf Pettersson
G01 - MEASURING TESTING
Information
Patent Grant
Method and means for measuring web tension in paper or foils
Patent number
4,109,520
Issue date
Aug 29, 1978
Svenska Traforskningsinstitutet
Leif Eriksson
G01 - MEASURING TESTING
Information
Patent Grant
Measuring the concentration of substances suspended in a liquid
Patent number
4,078,863
Issue date
Mar 14, 1978
Svenska Traforskningsinstitutet
Lennart Eriksson
G01 - MEASURING TESTING
Information
Patent Grant
Device for determination of layer thickness, or alternatively, meas...
Patent number
3,997,268
Issue date
Dec 14, 1976
Svenska Traforskningsinstitutet
Gerdt Fladda
G01 - MEASURING TESTING
Information
Patent Grant
Package made from paper, cardboard, cellular cardboard and like mat...
Patent number
3,955,746
Issue date
May 11, 1976
Svenska Traforskningsinstitutet
Per Olof Christer Engman
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method of increasing cellulosic pulp yields in an alkaline digestio...
Patent number
3,937,647
Issue date
Feb 10, 1976
Svenska Traforskningsinstitutet
Inga L. Backstrom
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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last 30 patents
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