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Stockholm, SE
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Patents Grants
last 30 patents
Information
Patent Grant
Method of making a coated heat exchanger with tubes and fins
Patent number
4,970,770
Issue date
Nov 20, 1990
Flakt, AB
Gosta Jansson
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method and apparatus for treating contaminated gases
Patent number
4,963,330
Issue date
Oct 16, 1990
Flakt AB
Lars-Erik Johansson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method and apparatus for cleansing gases
Patent number
4,941,896
Issue date
Jul 17, 1990
Flakt AB
Lennart Gustavsson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for cleansing gas and apparatus herefor
Patent number
4,936,878
Issue date
Jun 26, 1990
Flakt AB
Lennart Gustavsson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method and an arrangement for mixing a dry material with a liquid
Patent number
4,824,032
Issue date
Apr 25, 1989
Flakt AB
Bengt Johansson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Arrangement in the drying section of a paper machine
Patent number
4,799,318
Issue date
Jan 24, 1989
Flakt AB
Torbjorn Hansson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Channels for a filter bank supporting latticework
Patent number
D299546
Issue date
Jan 24, 1989
Flakt AB
Bertil Larsson
D25 - Building units and construction elements
Information
Patent Grant
Method for cleansing a contaminated medium in a contact reactor
Patent number
4,795,566
Issue date
Jan 3, 1989
Flakt AB
Kurt Carlsson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Arrangement for transporting disintegrated particulate solids
Patent number
4,790,692
Issue date
Dec 13, 1988
Flakt AB
Yorgi Bunyoz
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method and an arrangement for enabling the magnetizing current pass...
Patent number
4,780,804
Issue date
Oct 25, 1988
Flakt AB
Alf G. Gustafsson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrostatic precipitator
Patent number
4,764,188
Issue date
Aug 16, 1988
Flakt AB
Erik Porle
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Method and arrangement for cleansing a flow of hot contaminated gas
Patent number
4,750,916
Issue date
Jun 14, 1988
Flakt AB
Bjorn Svensson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Arrangement in a unit having a heat-exchange function
Patent number
4,750,552
Issue date
Jun 14, 1988
Flakt AB
Roland E. R. Lanquist
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Arrangement in material drying systems
Patent number
4,719,708
Issue date
Jan 19, 1988
Flakt AB
Sven I. Karlsson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and apparatus for producing a continuous web
Patent number
4,712,277
Issue date
Dec 15, 1987
Flakt AB
Lennart Gustavsson
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Method of ventilating rooms
Patent number
4,711,162
Issue date
Dec 8, 1987
Flakt, AB
Mats Eriksson
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Suspendable modular frame arrangement for clean room ceilings havin...
Patent number
4,710,208
Issue date
Dec 1, 1987
Flakt AB
Wolf Ziemer
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Method and arrangement for varying a voltage occurring between the...
Patent number
4,704,672
Issue date
Nov 3, 1987
Flakt AB
Alf G. Gustafsson
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Media mixing nozzle assembly
Patent number
4,690,333
Issue date
Sep 1, 1987
Flakt AB
Lars-Erik Johansson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for controlling shrinkage and/or stretching of a paper web i...
Patent number
4,680,873
Issue date
Jul 21, 1987
Flakt AB
Christer Fellers
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and apparatus for keeping railway switches free from snow
Patent number
4,674,718
Issue date
Jun 23, 1987
Flakt AB
Bjorn Bjorklund
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Rigid discharge electrode
Patent number
4,673,417
Issue date
Jun 16, 1987
Flakt AB
Rolf Goransson
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Arrangement for supporting a plurality of discharge electrodes, and...
Patent number
4,671,808
Issue date
Jun 9, 1987
Flakt AB
Rolf Goransson
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Method and apparatus for preheating scrap in a bucket
Patent number
4,666,402
Issue date
May 19, 1987
Flakt AB
Gunnar Wilhelmsson
C21 - METALLURGY OF IRON
Information
Patent Grant
Discharge electrode
Patent number
4,666,475
Issue date
May 19, 1987
Flakt AB
Curt Gustavsson
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Guide vane ring for a return flow passage in axial fans and a metho...
Patent number
4,602,410
Issue date
Jul 29, 1986
Flakt AB
Sune Karlsson
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Process for the removal of impurities in reacted alumina
Patent number
4,525,181
Issue date
Jun 25, 1985
Flakt AB
Ole K. Bockman
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Drying plant for a material web
Patent number
4,505,053
Issue date
Mar 19, 1985
Flakt AB
Karl-Hugo Andersson
F26 - DRYING
Information
Patent Grant
Arrangement for pulling the tail of a web-like material through a d...
Patent number
4,467,950
Issue date
Aug 28, 1984
Flakt AB
Ingemar Karlsson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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last 30 patents
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