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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus for deicing exterior parts of a railway vehicle
Patent number
4,683,870
Issue date
Aug 4, 1987
AB Svenska Flaktfabriken
Bjorn Bjorklund
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Spray painting plant containing apparatus for purifying contaminate...
Patent number
4,472,181
Issue date
Sep 18, 1984
AB Svenska Flaktfabriken
Bo Herrlander
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Adjustable ventilation nozzle
Patent number
D273702
Issue date
May 1, 1984
AB Svenska Flaktfabriken
Lennart Widerby
D23 - Environmental heating and cooling
Information
Patent Grant
Spray chamber including a wet separator
Patent number
4,345,921
Issue date
Aug 24, 1982
AB Svenska Flaktfabriken
Lennart Gustavsson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Panel structure
Patent number
D265511
Issue date
Jul 20, 1982
AB Svenska Flaktfabriken
Gunnar Svensson
D25 - Building units and construction elements
Information
Patent Grant
Method of absorbing sulfur oxides from flue gases in seawater
Patent number
4,337,230
Issue date
Jun 29, 1982
AB Svenska Flaktfabriken
Arne Ellestad
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Joint system for walls, doors and the like
Patent number
4,326,365
Issue date
Apr 27, 1982
AB Svenska Flaktfabriken
Gunnar Svensson
E04 - BUILDING
Information
Patent Grant
Air diffuser
Patent number
4,320,695
Issue date
Mar 23, 1982
AB Svenska Flaktfabriken
Lennart Widerby
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Apparatus for conveying waste materials by suction
Patent number
4,318,643
Issue date
Mar 9, 1982
AB Svenska Flaktfabriken
Bertil S. W. Larsson
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Device for drying web material
Patent number
4,290,210
Issue date
Sep 22, 1981
AB Svenska Flaktfabriken
Eric G. B. Johansson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of purifying gas containing gaseous mercury
Patent number
4,274,842
Issue date
Jun 23, 1981
AB Svenska Flaktfabriken
Leif A. V. Lindau
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Plant for cooling heated goods
Patent number
4,253,314
Issue date
Mar 3, 1981
AB Svenska Flaktfabriken
Bertil S. V. Larsson
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Pilot valve
Patent number
4,251,048
Issue date
Feb 17, 1981
AB Svenska Flaktfabriken
Sven E. F. Aurell
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of refining solid fuel of organic vegetable material
Patent number
4,229,183
Issue date
Oct 21, 1980
AB Svenska Flaktfabriken
Jan-Mats Eneroth
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Connecting valve
Patent number
4,214,729
Issue date
Jul 29, 1980
AB Svenska Flaktfabriken
Rune Narfgren
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Air flow deflector
Patent number
D254866
Issue date
Apr 29, 1980
AB Svenska Flaktfabriken
Lennart Gustavsson
D23 - Environmental heating and cooling
Information
Patent Grant
Arrangement for the exchange of filter elements
Patent number
4,198,216
Issue date
Apr 15, 1980
AB Svenska Flaktfabriken
Gunnar R. Wilhelmsson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for making humidity and heat exchanger apparatus
Patent number
4,189,330
Issue date
Feb 19, 1980
AB Svenska Flaktfabriken
Ove Strindehag
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Flow regulator
Patent number
4,187,879
Issue date
Feb 12, 1980
AB Svenska Flaktfabriken
Karl-Erik Fermer
G05 - CONTROLLING REGULATING
Information
Patent Grant
Slidable valve
Patent number
D251603
Issue date
Apr 17, 1979
AB Svenska Flaktfabriken
Sergio DE Feudis
D23 - Environmental heating and cooling
Information
Patent Grant
Conveyor for lamellar material
Patent number
4,148,476
Issue date
Apr 10, 1979
AB Svenska Flaktfabriken
Helge Brekell
F26 - DRYING
Information
Patent Grant
Apparatus for forming and controlling currents of air
Patent number
4,131,059
Issue date
Dec 26, 1978
AB Svenska Flaktfabriken
Lennart Gustavsson
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Ventilation element with tubular connector for insertion into an op...
Patent number
4,109,564
Issue date
Aug 29, 1978
AB Svenska Flaktfabriken
Lennart Widerby
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Rotor for rotary heat exchangers
Patent number
4,084,633
Issue date
Apr 18, 1978
AB Svenska Flaktfabriken
Ove Magnus Strindehag
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Air inlet valve for rooms
Patent number
4,078,476
Issue date
Mar 14, 1978
AB Svenska Flaktfabriken
Lennart Widerby
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Device for emptying waste material from waste-storage containers
Patent number
4,074,921
Issue date
Feb 21, 1978
AB Svenska Flaktfabriken
Sergio de Feudis
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Cylinder dryer for paper machines
Patent number
4,064,637
Issue date
Dec 27, 1977
AB Svenska Flaktfabriken
Stig Rune Lindgren
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Combined cooling and heat recovery system
Patent number
4,061,186
Issue date
Dec 6, 1977
AB Svenska Flaktfabriken
Ake Ljung
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Apparatus for removing gas filter
Patent number
4,057,406
Issue date
Nov 8, 1977
AB Svenska Flaktfabriken
Staffan Jansson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process and apparatus for ventilating or tempering rooms
Patent number
4,055,112
Issue date
Oct 25, 1977
AB Svenska Flaktfabriken
Birger Larkfeldt
F24 - HEATING RANGES VENTILATING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73337256 - DEPAC
Serial number
73337256
Registration number
1212181
Filing date
Nov 16, 1981
AB Svenska Flaktfabriken
7 - Machines and machine tools